______________Machine Model _____________________Serial#
Register product online @ www.mathey.com <http://www.mathey.com>
P. O. Box 472110, Tulsa, OK 741472110 USA Toll Free: 800-725-7311 918-447-1288 Office 918-447-0188 Fax www.mathey.com
CGM “A” Pnuematic
CGM “O” Hydraulic Driven
CGM-1 Cold Cutting Machine Operating Manual
TABLE OF CONTENTS
1.General information • 1.1 Warranty • Warranty Certificate 2.Specifications 3.Accessories • Figure 1 – Guide to Setting the Machine • Figure 2 – Position of Wheels for Various Pipe Diameters 4.Safety Devices • 4.1 Accident Prevention Rules 5.Operating Instructions • 5.1 Connections and Power Source • 5.2 Wheel Setting and Chain Length • 5.3 Setting Guide Wheels for the Pipe Diameter To Be Cut • 5.4 How to Lengthen and Shorten the Chain • 5.5 Getting Started • 5.6 Installation of the CGM on the pipe • 5.7 Installation of the Center and Beveling Cutter 6. Cutting Process 7. Disconnecting the Power Source 8. Disassembly after Use 9. Maintenance • 9.1 Routine Maintenance • Table 1 – Manufacturers of Hydraulic Oil and Viscosity Index • Table 2 – Viscosity to Temperature Ratio • 9.2 Extraordinary Maintenance • Lubrication Guide for CGM-1 “A” and “O” • Table 3 – Troubleshooting Guide • Table 4 – Troubleshooting Guide (continued) • 10. Use Condition • 10.1 Provided Use Condition • 10.2 Use Not Allowed • 10.3. Conformity of the Machine
3 3 4 5 7 7 8 9 9 10 10 11 11 12 12 13 14 17 20 20 21 23 22 22 23 23 24 25 26 26 26 27
I. GENERAL INFORMATION This Operating Manual is a guide for the use and maintenance of the PNEUMATIC MODEL CGM-1 “A” PIPE CUTTING BEVELING MACHINE and HYDRAULIC MODEL CGM-1 “O” PIPE CUTTING BEVELLING MACHINE made by: C.I.A. MATHEY ITALIANA S.r.l. VIA ISONZO 26-20050 S. DAMIANO di BRUGHERIO-MILANO Phone: 39039-831019 or 39039-2020021 Fax: 39039-2020079 This Operating Manual is supplied with the machine and placed in the steel carrying case at the time of shipment. A copy of the Operating Manual can also be obtained on the internet at www.mathey.com. The manual should be read and understood by all operators prior to attempting the operation of the CGM-1. The manual should be stored in a dust and humidity free environment that is easily accessible to the operator for consultation. Maintenance personnel and purchasing staff should consult the manual prior to attempting any maintenance of ordering spare part or for any questions concerning Warranty. Please have the following information available when requesting a manual: • Type of Machine • Production Number • Supplier • Customer Name and Address • Address to Deliver the Copy of the Manual This Manual reflects that the CGM-1 and/or manual is “The State of The Art” at the moment of sale and it can not be considered inadequate if the unit has been updated due to new technology. The producer is not obligated to update the manuals of previously sold machine, if due to new advances in technology and if the machine is modified and/or improved. Please inform Producer of any changes in order to provide the new owner with up to date information if the machine has been altered by anyone other than the manufacturer. Please contact C.I.A. MATHEY ITALIANA S.r.l. or MATHEY DEARMAN, INC. with any suggestions on how to improve the equipment or its performance. 1.1 WARRANTY C.I.A. Mathey Italiana S.r.l. warrants the product mentioned in this manual for a period of one (1) year with the date of deliver. This warranty will only be valid if the company receives the Warranty Form with all sections completed; C.I.A. Mathey Italiana S.r.l. or Mathey Dearman will return the form with an authorized signature. The Warranty is valid only for the abovementioned period and only for the parts that have defect of design or material. The Warranty Complaint, with a full explanation of the defect, must be sent to C.I.A. Mathey Italiana S.r.l. or Mathey Dearman, Inc. will provide full instructions for the repair or replacement of the defective parts free of charge.
C.I.A. Mathey S.r.l. is not and will not be responsible for the following: • Improper use of the machine other than stocked. • A use against the national and/or international regulations in force. • Improper installation. • Wrong hydraulic or air connections. • Improper or incorrect maintenance of CGM-1 or Power Supply. • Unauthorized modifications and/or services. • Substitution of parts or components that are not original spare-parts or specific components recommended by C.I.A. Mathey Italiana or Mathey Dearman, Inc. • Non-observance or partial observance of the operating instructions. • Unusual events such as natural disaster or similar events that are beyond producer’s control.
WARRANTY CERTI F ICAT E Se r ial Nu m b er _______ ____ ____ __
CGM MACHI NE V ERSIO NS Prod u ct # :_____________
______ ______ ______ ______ __ _______
Pu r chas e Date: _______________ Deal er: _______________
______ ______ ______ __ _______
______ _____ ______ ______ ___ _______
Custom er N a me : ___________ Addr e ss:___________
O A ir (P n euma tic D r iven) O O il (Hy d rau lic D riven)
______ _____ _ ______ ____ ________
______ ______ ______ ______ _____ ________
Thi s ma c hin e is in Warrant y for a period of on e (1 ) yea r fro m th e date o f ship m ent.
SPECIFICATIONS Air Shut-Off Valve Double Mist Coolant System
Air Driven CGM
Hydraulic Driven CGM
The CGM pipe cutting and beveling machine is provided with two (2) motors: the first is for rotation of the cutting and beveling blades and the second motor is for rotating the machine around the pipe. FORWARD MOTOR POWER: • Air Motor Drive Version .56 KW / .75 HP • Oil Motor Drive Version 4 KW / 5.4HP Both have a heavy reduction device (rate 400.1). FORWARD SPEED: • Air System is adjustable from 0 – 38mm / 0 – 1-1/2” per minute • Oil System is adjustable from 0 – 65mm / 0 – 2-6/16” per minute CUTTER MOTOR POWER: • Air Motor Drive Version 2,7 KW / 3.7 HP • Oil Motor Drive Version 4,0 KW 5.4 HP CUTTING PERFORMANCES: This machine cuts pipe having a minimum nominal diameter of 6 inches (152 mm.) to diameters over 72 inches (1829 mm.) by varying the 4-mesh chain length to accommodate the pipe diameter. Special Wheels are required for 6” pipe. CUTTER SPEED: • Air System is adjustable from 20 to 71 rpm. • Oil System is adjustable from 20 to 76 rpm. AIR OR HYDRAULIC POWER REQUIRED Air Driven CGM requires a compressor having a minimum capacity of about 4000 liters with a working pressure of 8 bars; connection is made by a 12.7mm (1/2 inch) tube with quick disconnect. Hydraulic Driven CGM requires a Hydraulic Power Supply having the capability of a minimum pressure of 100 bars at 72 L/min. The Hydraulic Power Supply should have a 25 Micron Filter, Air Cooled Heat Exchanger to cool the Hydraulic Oil prior to its returning to a 200 - 250 Liter Hydraulic Reservoir. The pressure connection to the CGM-1 Machine is 12.7mm (1/2 inch) and the return connection is 19mm (3/4 inch) outlet.
CUTTER-WORK SPEED: The pipe diameter, wall thickness, beveling blade configuration, cutter wear and material hardness are determining factors in how long it will take to cut the pipe. CLEARANCE: Depending on pipe diameter, clearance could be from 30 to 40 cm (approx. 12” - 16”) radial. 280
630 310 350 550
DESCRIPTION SHIPPING WEIGHT • Air Motor Drive Version 216kg / 476lbs. • Oil Motor Drive Version 223kg / 592lbs. CONTROLS: Two (2) separate Speed Control Valves are provided (a). for the cutter speed and (b.) for the forwarding speed. The Speed Controls are separated for independent speed regulation of the Cutter and Machine Forwarding Speed. The first (lower) Speed Control Valve governs the speed of the Cutter and the second (upper) Control Valve governs the Forwarding Motor Speed. The upper “Forward-Stop-Backward” Control Lever controls the direction of the machine, around the pipe, while the Lower Control Lever provides air or hydraulic power to the Cutting and Beveling Blades and Forwarding Motor. • Air Motor Drive Version has the Air Exhaust. • Oil Motor Drive Version has Closed Hydraulic Circuit. STORAGE DEVICES: For ease of transport, the machine comes with Steel Storage Case to protect the CGM-1 Machine, Cutting and Beveling Blades and other accessories. It is painted with polyester resins for strong environmental protection or heavy working conditions. The Chain Driven Cold Cutting and Beveling Machine comes with: -6• Rugged Steel Storage Case • Double Automatic Lubricator (the Air Compressor is not provided with the Hydraulic Model). • Operating Manual. • “T” Handle for Blade Lowering/Raising Handle of the Cutting Blade to control depth of cut. • Blade Wrench. • Elbow Wrench with Bayonet. • Socket for Chain Tension Nut. • Torque Wrench to set the tension of the chain. • Hex Bit Impact Socket for installing the wheels in different positions.
The Chain Driven Cold Cutting and Beveling Machine comes with: • • • • • • •
4-Mesh Chain Connecting Link, Chain Pin, and Half Link adapt chain to various diameters of pipe. Chain Extractor Block with Pin Extractor for segmenting chain. Wedges to keep the cut open during the final operation. Oiler with 1 Liter Tank for coolant oil to lubricate the cutters. Quick Disconnects for quick and easy connection of the machine to Power Supply Unit. Lifting Cable with Spring Clips for lifting and lowering the machine on or off the pipe. 1 Liter of Synthetic Coolant Oil, BIO 42 EP or equivalent, to be diluted at a rate 1:10 for cutter lubrication.
3. ACCESSORIES The CGM-1 “A” or “O” Machines are available with the following accessories: • Special Cutter Set - Includes one (1) 8 3/8” X 3/16” (212 X 4,76mm) Central Cutter and one (1) 7 1/4” X 5/8” (184 X 16.45mm) Right and Left Beveling Cutter with 30° or 37.5° cutting angle. Special Wheels required for 6” pipe. • Center Cutters and Beveling Cutters for different shapes are available upon request. • Air Filtration Unit with Condensation Extractor System and Lubricator for proper air treatment and pressure regulation. • Groove Wheel for Guide Track Applications. • Guide Tracks for pipes with an inclined angle up to 45° or for high precision cutting when required. • 4-Mesh Chain for cutting diameters 8” (203mm) and up.
FIGURE 1 - GUIDE TO SETTING THE MACHINE The below illustration shows the direction of the cutters and the correct forwarding machine direction of the CGM. Forward Direction Rotation------------------------
Figure 2 – Positioning of the wheels for various pipe diameters and cutting depths. Nomin al Pipe Size
Cutter 6” / 154
Cutter 8 3/8” / 212
In / mm
In / mm
In / mm
In / mm
6 / 152
42 / 1065
1 3/8 / 35
1 / 25
3&4 3&4 3&4
8 / 203 10 / 254 12 / 305
47 / 1192 55 / 1395 61 / 1547
14 / 356
63 / 1598
16 / 408
69 / 1750
18 / 457
76 / 1918
20 / 508
82 / 2070
24 / 610
92 / 2335
30 / 762
114 / 2892
32 / 810
116 / 2940
36 / 914
137 / 3476
Wheel Position Wheel Position, Cutter Rotation & Wheel Machine Setting Direction
2&6 2&6 1&6 1&6 1&6 1&6
40 / 1016 42 / 1067 48 / 1200 54 / 1400 60 / 1500 72 / 1800
144 / 3650 156 / 3950 165 / 4180 183 / 4648 214 / 5435 244 / 6197
4. SAFETY DEVICES 4.1 ACCIDENT PREVENTION RULES In order to prevent accidents and promote employee safety, those who operate and perform maintenance on the Pneumatic or Hydraulic Cutting and Beveling Machine should follow these standard safety procedures: 1. The operator of the CGM-1 should wear appropriate clothing, safety goggles, gloves, shoes and other attire suitable for the working environment and ambient temperature. 2. The machine operator and all the personnel who work around the machine must wear safety glasses for eye protection while the machine is in operation, 3. All machine operators and personnel, who work around the machine, must use noisedampening headset. This is noted on the label located on the machine. 4. A lift having the appropriate capacity must be used to move the CGM-1, due to approximate weight of the Air Motor Drive Version - 137kg (302lbs.) and Oil Motor Drive Version 144kg (317lbs). 5. The CGM-1 Machine should be attached to the appropriate lift before releasing the Drive Chain Tension to remove CGM from the pipe. 6. The two (2) Lifting Cables with Spring Clips supplied with the CGM-1 Machine, should be used to lift the machine. 7. Check all Hose Connections between the CGM-1 Power Supply Unit prior to using machine because of the high pressure involved. 8. Inspect the Center and Beveling Cutters for broken teeth or cracks that might eventually cause blade breakage when machine is stopped. Always use sharp cutters for optimal machine performance. 9. For operator safety the Blade Guard should always be closed when the Cutters are rotating. 10. When the machine is in operation, personnel not involved in the machine operation must stay at a safety distance or wear the necessary safety equipment. 11. The CGM-1 operator should always be in close proximity to the machine when the machine is connected to a Power Supply Unit that is in operation and the cutters are rotating for quick access to Machine Controls. 12. The Air or Hydraulic Power Supply Unit must be turned off and Hose pressure released before disconnecting hoses. 13. The proper machine forward speed must be selected for the specific thickness of pipe to be cut. 14. Clean the cutting area with water or approved low-pressure compressed air and avoid cleaning the cutting area manually using wrong tools that may catch in the blades. 15. Check the machine for worn parts and replace them before returning the machine to its storage case. 16. Schedule and perform regularly scheduled maintenance on CGM-1 to insure operator safety. IN ADDITION TO THE ABOVE PROCEDURES, ALL SAFETY INSTRUCTIONS CONCERNING HYDRAULIC AND/OR PNEUMATIC SYSTEMS SHOULD ALSO BE ENFORCED. ALL THE OPERATIONS MUST BE DONE UNDER THE BEST SAFETY CONDITIONS.
5. OPERATING INSTRUCTION 5.1 CONNECTIONS AND POWER-SOURCES. PNEUMATIC MACHINE - Join the Machine to an Air Compressor having the properties mentioned in Section 2. Use of an Air Compressor smaller than that specified in Section 2 will drastically hinder performance of the CGM. 1. If an Air Hose longer than 15 meters (50 foot) is required, the hose diameter should be increased accordingly to insure the CGM receives an adequate amount of pressure and volume of air. 2. An Air Filter and Lubricator Group must always be installed in the Air Supply Line. 3. The Regulator of the Air Filter/Lubrication Device should be set at 90psi (6 Bar). 1. Connect the Cutter Lubricator System to the coolant container. Use a Synthetic Coolant Oil type BIO/42 EP or similar.
Air Supply to CGM
Air Pressure Regulator
Figure 3: Air Filter/Lubrication Device HYDRAULIC MACHINE - Join the Machine to a Hydraulic Power Supply having the properties mentioned in Section 2. The Hydraulic CGM-1 is powered by a closed oil circuit Hydraulic Power Supply having a 1/2" pressure (outlet) port and 3/4" return (inlet) port. Use of a Hydraulic Power Supply smaller than that specified in Section 2 will significantly hinder performance of the CGM. 1. If Hydraulic Hoses longer than 15 meters (50 foot) are required, the hose diameters should be increased accordingly to insure the CGM receives an adequate hydraulic flow and pressure. 2. Check the rotation of the Cutter Blades to insure the Hydraulic Power Supply is connected to the CGM-1 properly. The rotation of the Cutter Blades is clockwise as shown in Figure 1. 3. The Hydraulic Model CGM-1 requires a small air compressor to operate the Double Mist Lubrication System 4. Connect the Double Mist Lubrication System to the Coolant Container. Use a synthetic coolant oil type BIO/42 EP or similar is recommended. 5. 6.
Turn the “Start / Stop Control” to the ON Position. Slowly open Blade Speed Control counterclockwise until the rotational speed reaches about 71 – 76 revolutions per minute. Check the rotation of the Severing and Beveling Blades to make sure they are turning clockwise.
Air Supply Lubrication
5.3 SETTING GUIDE-WHEELS FOR THE PIPE DIAMETER TO BE CUT. Figure 2 of Section 3 shows the different wheel positions for a variety of pipe diameters. Lift the machine and verify the Wheel Holders holding the Machine Wheel are attached in the correct slots of the machine chassis for the diameter of pipe to be cut. Proceed as follows if Wheel Holders require position change due to change of pipe size. 1. Remove the four (4) Socket Head Cap Screws from the Wheel Holders that hold the Wheel Assemblies with the supplied Hexagon Bit Socket for 16mm and Elbow Wrench with Bayonet that is furnished with machine. 2. Remove all metal chips and other debris from the Wheel Supports and slots in the bottom of the CGM Chassis. 3.
Fit the Wheel Supports in the proper slot in the CGM Chassis for the diameter being cut and install the Four (4) Socket Head Cap Screws.
Socket Head Cap Screws Wheel Support
One of Six (6) Wheel Positions
Figure 4: View of underside of CGM showing different Wheel positions.
5.4 HOW TO LENGTHEN AND SHORTEN THE DRIVE CHAIN From Figure 2 of the Section 3, select the correct Drive-Chain length for the pipe diameter to be cut. If the 4 Mesh Chain requires adjustment due to pipe size variance proceed as follows: 4-Link Chain
Chain Coupling Link
Screw and Nut
Chain Coupling Pin Figure 5: Several different methods can be used to join the chain ends.
â—? To Lengthen the Drive-Chain. 1. Select the 4-Mesh Chain Segments required to make up the length of Chain shown in Figure 2 of Section 3. 2. Check the End Tails for proper connection (male/female or male/male end tail and not female/female). 3. The 4- Mesh Chain Segments can be joined with the supplied Chain Coupling Pins or the Chain Coupling Link. â—? To Shorten the Drive Chain. 1. Check Figure 2 of Section 3 to determine the amount of 4-Mesh Chain segments to be removed. 2. Mark the 4-Mesh Chain Joint-Pin and remove for the new pipe size and cut the head off the Chain Joint-Pin. 3. Insert the 4 Mesh Chain into the Chain Block, supplied with the machine and use the Pin Driver to remove the Joint-Pin. Remove only the Chain Segments necessary. 4. Check the two (2) End Tails for proper connection (male/female or male/male end tail and not female/female). 5.5 GETTING STARTED The CGM-1 Pipe Cutting and Beveling Machine, Air and Oil Version, comes with a Steel Storage Box in which there are special supports for the machine and the accessories. 1. Before placing the machine on the pipe, verify that there is enough clearance for the machine to travel around the pipe. 2. Check the pipe to be cut for irregularities, such as weld seams or indentations, where the Guide Track and the Drive Chain will be positioned onto the pipe. These conditions should be ground flush with pipe outside diameter. 3. Attach the Spring Clips onto the two Lifting Cables supplied to the Machine Chassis to the holes located at each corner of the machine and lift the machine out of the Steel Storage Box.
Figure 6: Spring Clips of Lifting Cables are connected at 4 CGM points to remove CGM out of Storage Box. 4. Once the machine is lifted to a comfortable height, fit the Drive Chain on to the Sprockets and position the Drive Train through the Machine as shown in Figure 2 for the pipe diameter that is to be cut, leaving the Tail Ends of the Chain free. 5. Check the Tail Ends of the Chain to make sure they can be linked.
Figure 7: Using Torque Wrench â€“ torque Chain to 130NM/96ft.lbs. CGM
5.6 INSTALLATION OF THE CGM ON THE PIPE 1. Using the two (2) Lifting Cables provided, lift the machine and place it on top of the pipe. 2. Before releasing the lifting mechanism that is holding the machine in place on the pipe, join two (2) Chain Ends with the Chain Coupling Pins or the Chain Coupling Link that are supplied. 3. Tighten the 4 Mesh Chain by rotating the Chain Tension Screw clockwise using the 8mm Wrench and Elbow Wrench with Bayonet until the Chain is snug on the pipe.
4. Use the Torque Wrench and 8mm Wrench to rotate the Chain Tension Screw until a chain tension of 130NM (96Ft./Lbs.) is achieved. Re-torque the Chain to make sure the Chain is correctly tensioned. 5. Release the tension on the two (2) Lifting Cables and unhook the Lifting Cables from the machine. 6. Connect the Air or Hydraulic Power Source to the CGM using the hoses that are provided. 7. Start the Air or Hydraulic Power Source-13per the operating instructions provided for the Power Source being used. 8.
Turn the Start / Stop Control to the ON Position.
Note: Hydraulic Model only - If this is the first time the Hydraulic Power Supply is being run, let the Hydraulic Fluid circulate through the CGM-1 for 15 â€“ 20 minutes to make sure the air bubbles are removed from the Hydraulic Fluid. 9. Move the Machine Directional Control to the Forward position. 10. Turn the machine Speed Control Valve Counterclockwise. 11.
Rotate the CGM one full turn around the pipe to align the chain.
12. Retorque Chain Tension Screw to 130NM (96Ft./Lbs.) 13. Turn off the Air or Hydraulic Power Source. 14. The Machine is now ready for the installation of the Severing and Beveling Blades. 5.7 INSTALLATION OF THE CENTER AND BEVELING CUTTERS. 1. With the Column Tensioning Wrench provided, loosen the four (4) Column Locking Screws that hold the Blade Transmission steadfast to the column. Figure 8: Column Tensioning Wrench
Column Tensioning Screw
Figure 9: Front Column Lock Screws Column Tensioning Screw
Figure 10: Rear Column Lock Screws 2. With the aid of the Blade Lowering/Raising Handle, turn the Feed Screw clockwise until the Cutter Spindle (See Figure 13) is raised to its highest position to avoid the Cutters touching the pipe during installation or removal.
3. Remove the Cutter Lock Nut by rotating it clockwise using the 32mm Wrench furnished with the machine. 4. Remove the Cutter Lock Nut, Washer and Cutter Support Collar. (Refer to Figure 13.)
Figure 12: Side View Blades 5. Remove any metal chips and other debris from the Cutter Spindle, Male Cutter Drive Collar, Female Cutter Drive Collar and Cutter Lock Nut (Refer to Figure 13).
Washer Cutter Lock Nut
Cutter Drive Collar Cutter Support Collar Figure 13: Cutter Drive Assembly
6. Remove any metal chips from the Cutting and Beveling Blades. 7. Place the Bevel Cutter on the Cutter Spindle so that the cutting edge is facing downward (Refer to Figure 12). 8. Align the holes in the Bevel Cutter with the two (2) Hardened Pins and push the Bevel Cutter forward, until it contacts the face of the Male Cutter Drive Collar. Note: The Center and Beveling Cutters will fit snuggly on the Shaft. (Refer to Figure 13). 9. Follow the same procedure to install the Center Cutter and the second Beveling Cutter. 10. Install the Cutter Support Collar, Washer and Cutter Lock Nut. (Refer to Figure 13). 11. Tighten the Cutter Lock Nut counterclockwise using 32mm Wrench. 12. Lower the Cutter Safety Cover and latch the Blade Safety Device to the Cover. Note: The machine will not function if Blade Safety Cover is not latched to the Blade Safety Device. Note: Never operate the machine with the Severing Blade and only one Beveling Cutter. Note: Never use the Severing Blade to sever the pipe without the Severing Blade Space for each side of the blade. Note: Never use the two (2) Beveling Cutters without the Center Cutter. 6
CUTTING PROCESS. Machine Speed Control
Machine Directional Control
Blade Speed Control Start/Stop Control
Machine Speed Control Blade Speed Control
Machine Directional Control Figure 14: Air Regulator Group Start/Stop Control
Figure 15: Hydraulic Regulator Group
1. With the Blade Lowering / Raising Handle, turn the Feed Screw until the Cutter Spindle is raised to its highest position. 2. Turn the Start / Stop Control to the OFF Position. 3. Turn the Machine Directional Control to the STOP Position. 4. Turn the Machine Speed Control clockwise to the “0” position or fully closed position. 5. Turn the Blade Speed Control clockwise to the “0” position or fully closed position. 6. Check the Safety Cutter Cover to insure it is closed and the Latch of the Blade Shut-off Device is latched to the Cover. 7. Turn off the Air or Hydraulic Power Source and bleed the air or hydraulic pressure from the supply hoses. Safety Warning: Do not connect Hydraulic Hoses that are under pressure as it may result in serious injury. 8. Connect and secure the Air or Hydraulic Hose Quick Disconnects to the CGM-1. Safety Warning: Insure that the Air or Hydraulic Hose Quick Disconnects are attached properly and are secure as it may cause serious injury. NOTE: Air Filter/Lubrication Device must be placed in the center of the two (2) Air Hoses. Make sure the bowl of the Lubricator Assembly is filled with Pneumatic Oil. 9. Start the Air or Hydraulic Power Supply per the manufacturer’s instructions. Safety Warning: When Air or Hydraulic Power is applied the CGM-1, an operator should be within easy reach of the CGM Controls and the Controls of the Air or Hydraulic Power Supply at all times. 10. Verify the source of Air or Hydraulic power minimum output pressure and flow rate of: Model Pressure Rate Air Machine 8 bar (120psi) 4000 l./min / 142cfm Hydraulic Machine 100 bar (1,420psi) 72 l./min / 20gpm Warning: Air Model – Adjust air pressure at the Air Filter/Lubrication Device is set at 6 Bar (90psi) using the Pressure Regulator Valve. Failure to do so will cause damage to the Blade and Drive Motors. Hydraulic Model – Make sure the relief valve of the Hydraulic Power Supply is set at 110 bar (1,420psi). Failure to do so will cause damage to the Blade and Drive Motors. 5.2 WHEEL SETTING AND CHAIN LENGTH. The Machine Chassis has six (6) slots that are machined into the bottom of the Chassis to make up five (5)-wheel settings to center the Cutting Blades on the pipe. Proper positioning of the Wheel Holders gives the machine the optimal stability, tracking and cutting performance. The Drive Chain must be the right length for the diameter of pipe to be cut. Figure 2 of Section 3 shows the different wheel positions and chain lengths for most common diameters of pipe.
Note: Refer to the Trouble Shooting Chart in the back of this manual if the Blades are not rotating. Note: Hydraulic Model only - If this is the first time the Hydraulic Power Supply is being run, let the Hydraulic Fluid circulate through the CGM-1 for 15 â€“ 20 minutes to make sure the air bubbles are removed from the Hydraulic Fluid. 13. Turn the Air Valve of the Cutter Lubrication Device to the ON Position. 14. Adjust the Lubricator Nozzle as needed to provide a steady flow of coolant on the Blades. Note: If there is no flow of coolant from the Lubricator Nozzle refer to the Trouble Shooting Chart in the back of this manual. 15. With the Blade Lowering / Raising Crank, turn the Feed Screw counterclockwise until the Cutters are through the thickness of the pipe at desired depth. 16. Remove the Blade Lowering / Raising Crank from the Feed Screw and with the Column Tensioning Wrench provided, tighten the 4 Hex Head Cap Screws that hold Blade Transmission securely to the 4 columns. 17. Turn the Machine Directional Control to the FORWARD Position. Note: Never attempt to cut the pipe by placing the Forward Control Knob in the REVERSE Position. 18. Slowly open the Forward Speed Regulator Valve until the desired forward speed is achieved. 19. Check the pipe to see if the desired cut and bevel depth and cut finish are being achieved. 20. Cutter Stoppage: A. If a Cutter Block occurs, quickly turn the Machine Directional Control to the REVERSE Position and leave it in that position until the Cutters start to rotate. B. When the Cutters start rotating - move the Machine Directional Control to the STOP Position. C. Close the Forward Speed Regulator Valve a small amount. D. Turn the Machine Directional Control to the FORWARD Position. Note: The operator should observe the cut at all times and should insert the appropriate wedges as needed during the final stages of the cut to maintain the cut opening to avoid Cutter Blade stoppage or breakage. 21. When the cut is finished, move the Machine Directional Control to the STOP Position. 22. Loosen the 4 Hex Head Cap Screws that hold the Blade Transmission securely to the 4 columns; using the Blade Lowering / Raising Handle rotate the Feed Screw, until the Cutter Spindle is raised to its highest position. 23. Turn the Start / Stop Control to the OFF Position. 24. Turn the Air Valve of the Double Mist Lubrication System to the OFF Position. 25. Turn off the Air or Hydraulic Power Supply. 26. Bleed all Air or Hydraulic pressure from the Hoses connecting the CGM-1 to the Air or Hydraulic Power Supply. 27. Disconnect the Hoses from the CGM-1. Safety Warning: Due to serious risk of injury do not attempt to disconnect Hoses from the CGM-1 without bleeding the Air or Hydraulic pressure from the Hoses or turning off the Air or Hydraulic Power. 1. Check for the presence of obstacles that could obstruct the forward movement of the machine around the pipe. 2. With the Column Tensioning Wrench provided, loosen the 4 Hex Head Cap Screws that hold the Blade Transmission steadfast to the 4 columns. 19
DISCONNECTING THE POWER SOURCE. To disconnect the Power Source and stop the use of all the equipment, proceed as follows: â€˘ FOR PNEUMATIC MOTOR DRIVE MACHINE 1.Turn off the air supply. 2. Bleed all air pressure from the Hose connecting the CGM-1 to the air supply by rotating the Cutter Control Knob back and forward to the OFF and ON Position several times. 3. Disconnect the Air Hose from the CGM-1. Safety Warning: Due to the risk of injury do not attempt to disconnect Hoses from the CGM-1 without bleeding the Air or Hydraulic Pressure from the Hoses or turning off the Air or Hydraulic Power Supply. â€˘ FOR HYDRAULIC MOTOR DRIVE MACHINE 1. Turn off the Hydraulic Power Supply. 2. Bleed all Hydraulic Pressure from the Hoses connecting the CGM-1 to the Hydraulic Power Supply by rotating the Cutter Control Knob back and forward to the OFF and ON Position several times. 3. Disconnect the Hoses from the CGM. Safety Warning: Do not attempt to disconnect Hoses from the CGM without bleeding the Air or Hydraulic pressure from the hoses or turning off the Air or Hydraulic Power Supply as it may result in serious injury. 8 DISASSEMBLY AFTER USE Remove the machine as follows when the cutting process is finished as follows: 1. Disconnect the Power Source as described in section 7. 2. Disengage the Safety Device Latch and lift up the Safety Cutter Cover. 3. Rotate and remove the Lock Nut counterclockwise using 32mm Wrench, then remove the Female Cutter Drive Collar. 4. Remove all Cutter Blades from the Cutter Spindle. Note: If Cutters are not removed, prior to lifting the machine, they may be damaged during the lifting process. 5. Inspect the Cutter Blades for wear, chipped and damaged teeth. Report any irregularity to the responsible manager so that the Blades can be re-sharpened. 6. Connect the two (2) Lifting Cables to the holes in the four (4) corners of the Machine . 7. Apply tension to the two (2) Lifting Cables with a Lift or Crane. 8. Release tension on the 4-Mesh Chain by rotating the Chain Tension Screw using the 8mm Wrench and Elbow Wrench with Bayonet counterclockwise. 9. Remove the Chain Coupling Pins or the Chain Coupling Link from the 4-Mesh Chain Ends. 10. Lift the CGM-1 off the pipe. 11. Remove all chips and other debris from the machine with a brush and water or air pressure. 12. Check all nut, bolts and fittings for tightness. 13. Spray a light film of oil on the CGM-1. 14. Place the CGM-1 in its Storage Box. 15. Store the Machine in sheltered area to avoid damage.
9. MAINTENANCE 9.1 ROUTINE MAINTENANCE Plan all routine maintenance to the CGM-1 when the machine is not in operation. When the machine is cutting “heavy wall pipe or high strength alloy pipes”, it is recommended the machine be thoroughly checked after each cut. GENERAL – • Inspect the Cutter Blades for wear, chipped, damaged teeth and the integrity of the cutting after each cut. • Check the tightness of all nuts, bolts, screws and fittings at the end of each day of operation, • Check the Double Mist Lubrication System on a regular basis during the cutting process make sure both sides of the system are working properly. After each use check the Nozzles for obstruction and clean as required. Always keep the synthetic coolant plastic bottle clean to avoid debris or dirt that may obstruct the Injection Nozzle. PNEUMATIC MACHINE • Check the Air Filter / Lubrication Device and periodically check the assembly to be certain it is functioning properly when using the Air Drive CGM. Drain the water from the water separator of the Air Filter / Lubrication Device on a regulator basis. Replenish the oil in the inline Lubricator of the Air Filter / Lubrication Device with pneumatic oil as needed. • Periodic checks should be performed on the Air or Hydraulic Power Supply as required by the manufacturer to insure that the CGM will function properly. Report any irregularities to the responsible manager. HYDRAULIC MACHINE – • In order to obtain the best performance from the CGM-1, it is important to choose a hydraulic fluid with the best viscosity index for the ambient temperature the CGM will be working. To get the best performance out of the CGM, especially under extreme cutting conditions, with variations in temperature, use synthetic additive oil with a high degree of stability. For applications with vegetable biodegradable oil and special mixture (i.e.: glycol-water) contact Mathey Dearman, Inc. and/or C.I.A. Mathey’s technical department. 1. When adding hydraulic fluid to the Reservoir of the Hydraulic Power Supply, filter the oil through a 25 micro filter. Failure to do so may cause damage to the hydraulic blade and forward motors. 2. When adding hydraulic fluid to the Hydraulic Power Supply, use the same manufacturer of the hydraulic oil that was originally in the reservoir. WARNING: • Never run the CGM with a Hydraulic Power Supply that does not have a minimum of a 25 micro filtration system. • Do not mix various manufacturers’ hydraulic and viscosity fluid together. • Do not mix Hydraulic Oil or use varying viscosities fail due to the impacting of the machine performance and may cause damage to the CGM-1 “O”. 3. Never use reprocessed hydraulic fluids. 4. Never disperse hydraulic fluid into the environment.
Table 1 – Manufacturers of Hydraulic, Trade Mark and Viscosity Index DIAGRAM Viscosity Specification DIN 51524 Viscosity to 50°C / 122°F AGIP IP BP CASTROL ESSO MOBIL SHELL CHEVRON
H – LP 32
H – LP 46
H – LP 68
16 - 20
24 - 28
31 - 39
OSO 32 HYDRUS 32 ENERGOL – HLP 32 HYSPIN – AWS 32 NUTO H 32 DTE 24 TELLUS 32 EP HYDRAULIC OIL 32
OSO 46 HYDRUS 46 ENERGOL – HLP 46 HYSPIN – AWS 46 NUTO H 46 DTE 25 TELLUS 46 EP HYDRAULIC OIL 46
OSO 68 HYDRUS 32 ENERGOL – HLP 68 HYSPIN – AWS 68 NUTO H 68 DTE 26 TELLUS 68 EP HYDRAULIC OIL 68
Table 2 - Viscosity to Temperature Ratio
The principle cause of most machine break downs and failure of hydraulic components is blockage, seizing up or breaking of hydraulic components caused by the wear and aging of the hydraulic fluid. The CGM-1 should not be connected to Hydraulic Power Supply if the hydraulic fluid in the Reservoir is brown (aged or dirty) or milky (contains water). The Warranty will be VOIDED if it is determined the hydraulic fluid is found to be in this condition.
9.2 EXTRAORDINARY MAINTENANCE Generally the machine does not require specific maintenance. 2. Check the Bearings when excessive vibrations occur and replace them if they are damaged. 3. If loss of power is noted check the connections to Pneumatic or Hydraulic Cutter and Forwarding Motors. If the Pneumatic or Hydraulic Motor lacks power, it may be necessary to replace them. 4. Check Hydraulic Fluid Filter on the Hydraulic Power Supply daily to see if it requires replacement
Lubrication Guide for CGM-1 “A” and “O” 1. The following parts must be oiled once weekly with Lubricating Oil Specification: ISA VG 68, Viscosity 68 & Density 0.887. a. b. c. d. e.
Upper and Lower Gibs. Chain Tension Screw. Bronze Bushings. Axle. Depth Control Assembly.
2. The following parts must be oiled every two weeks. a. Bronze Wheel Bearing. 3. The following parts must be oiled daily. a. Guide Rod (X4). 4. The Main Transmission Unit and the Feed Transmission Unit must be greased using lithium based, high melting point grease after every 10-15 hours of usage. 5. Regarding the chain, this must be inspected, cleaned and oiled at least once every week.
Please contact Mathey Dearman, Inc. or C.I.A. MATHEY Italiana to be informed of any modification to the CGM so that we can let future users know of the modifications. If you should have any problems with the machine or have any suggestions to improve the cutting efficiency of the CGM, please do not hesitate to call us: Mathey Dearman, Inc. or C.I.A. MATHEY Italiana.
Table 3 â€“ Troubleshooting Symptom The Blade Control Knob is in the ON Position and the Blade will not turn.
Cutting and Beveling Blades stop during the cutting process.
1. Hoses are not connected to CGM by Air or Hydraulic Power Supply. 2. The Blade Safety Cover is not closed and/or the Latch of the Blade Safety Device is not attached to the Cover. 1. Cutting and/or Beveling Blades are dull.
1. Shut Down Air or Hydraulic Power Supply and bleed air or hydraulic pressure for Hoses. Connect Hoses and follow start up procedure. 2. Shut Down Air or Hydraulic Power Supply and move Start / Stop Control to the Stop Position. Close Blade Safety Cover. Attach the latch to the Blade Safety Device Latch. Follow the start up procedure.
2. Excessive forward speed.
3. Wedges were not used to keep the cut open
1. The Blade Safety Device Valve is partially open. 2. Hydraulic Oil is the incorrect viscosity. The Cutter Motor does not seem to have enough power to rotate the Cutting and Beveling Blades
3. Cutting and Beveling Blades are dull.
4. Hydraulic Fluid in the Hydraulic Power Supply Reservoir is milky in color
1. Move Machine Directional Control to the Reverse Position. When the Blade starts to rotate, turn the Blade Lowering / Raising Handle until the Feed Screw lifts the Cutter Spindle to its highest position. Move Start / Top Control to the Stop Position. Shut Down Air or Hydraulic Power Supply. Replace Blades and follow start up procedure. Remove the dull Cutting and Beveling Blades and install new or re-sharpened blades. 2. Move Machine Directional Control to the Reverse Position. When the Blade starts rotating, turn the Blade Lowering / Raising Handle clockwise until the Feed Screw lifts the Cutter Spindle to its highest position. Move Start / Stop Control to the Stop Position. Shut Off the Air or Hydraulic Power Supply. Inspect and replace as necessary the cutting and beveling blades. Follow the start up procedure. 3. Move and leave the Machine Directional Control to the Reverse Position, until the Blade starts to rotate. When the Blade is rotating, turn the Blade Lowering / Raising Handle clockwise until the Feed Screw lifts the Cutter Spindle to its highest position. Move Blade Start / Stop Control to the Stop Position. Shut Off the Air or Hydraulic Power Supply. Inspect and replace as necessary the Cutting and Beveling Blades. Follow the start up procedure. (It may be necessary to drive Wedges deeper into the cut area in order for the Blades to rotate.) 1. Move Start / Stop Control to the Stop Position. Shut Down Air or Hydraulic Power Supply. Close Safety Cutter Cover. Attach the Latch to the Blade Safety Device Latch. Follow the start up procedure. 2. Move Machine Directional Control to the Reverse Position. When the Blade starts rotating, turn the Blade Lowering / Raising Handle clockwise until the Feed Screw lifts the Cutter Spindle to its highest position. Shut Down Hydraulic Power Supply. Remove and replace the Hydraulic Fluid in the Reservoir of the Hydraulic Power Supply. Follow the start up procedure. 3. Move Machine Directional Control to the Reverse Position. When the Blade starts rotating, turn the Blade Lowering / Raising Handle clockwise until the Feed Screw lifts the Cutter Spindle to its highest position to remove the Cutting and Beveling Blades. Move Start / Stop Control to the Stop Position. Inspect and replace as necessary the Cutting and Beveling Blades. Follow the start up procedure. 4. Move Machine Directional Control to the Reverse Position. When the Blade starts rotating, turn the Blade Lowering / Raising Handle clockwise until the Feed Screw lifts the Cutter Spindle to its highest position. Remove the Hydraulic Power Supply Reservoir Fill Cap. Let the Hydraulic Power Supply run for 15 â€“ 20 minutes to remove the air from the Hydraulic Fluid in the Reservoir of the Hydraulic Power Supply. Check the Hydraulic Fluid to see if it is still milky in color. If the Hydraulic Fluid is clear. Follow the start up procedure.
Error! Table 4 â€“ Troubleshooting (continued) Symptom Possible(s) Cause
1. Air or Hydraulic Power Supply 1. Readjust the Air or Hydraulic Pressure is incorrectly set. Power Supply output to the proper pressure. 2. Air or Hydraulic Power Supply The Cutter Motor System Pressure and Volume are (Item NoÂş 29 or 53) does 2. Replace the Air or Hydraulic not large enough. not seem to have enough Power Supply with a power 3. Air or Hydraulic Hoses over power to rotate the supply that meets the 15meters (50 feet) are too small. Cutting and Beveling requirements list in Section 2. The Power Supply System cannot Blades. (Continued) provide enough pressure and 3. Increase diameter of the Air or volume or volume to the CGM. Hydraulic Hoses accordingly to 4. The Air Filter Device is connected the length of Air or Hydraulic to the Hoses in the proper direction. Hose required.
Machine is excessively vibrating during the cutting process.
1. Cutting and/or Beveling Blades are dull. 2. Excessive forward speed. 3. Bearings are worn
1. The machine was not taken one revolution around the pipe prior to making the cut.
When the bevel on the pipe end is cut out of the 2. The pipe is large diameter or the square. pipe wall is not uniform.
3. Rear Cutter Side Wheel has lifted off the pipe.
4. Reverse the Air Hoses to the Air Filter Device 1. Move Start / Stop Control to the Stop Position. Shut Down Air or Hydraulic Power Supply. Replace Blades and follow start up procedure. 2. Rotate Speed Regulator Valve 2 or 3 marks clockwise to reduce volume of Air or hydraulic Fluid to the forwarding Motor. Increase flow to the forwarding motor as necessary. 3. Check and replace the bearings, if rotation of bearing is rough or there is play in the bearing. 1. Rotate the machine one full revolution around the pipe and then cut the pipe. 2. Contact Mathey Dearman, Inc. or CIA Mathey Italiana about purchasing the Guide Strip or instructions for the making of the Guide Strip. 3. Rotate the Machine Speed Control clockwise about 2 or 3 marks on the Dial. Recut the pipe.
The Cutter does not rotate.
1. Bronze Worm Gear is stripped or damaged 2. Feather Key is sheared
1. Cutter Control Knob is in the OFF The Air or Hydraulic position. Forwarding Motor (Item 2. Air or Hydraulic Hoses are kinked Noº 126 or 59) and/or or have obstruction. Cutter Motor (Item Noº 29 or 23) will not rotate. 3. No air or hydraulic pressure
No coolant flow from the Lubricator Nozzle.
1. No air flow to the Blade Lubrication System 2. Lubricator Jet clogged 3. Lubricator System is not siphoning coolant from the Coolant Reservoir.
1. Replace Bronze Worm Gear. Return to Mathey Dearman, Inc. or C.I.A. Mathey Italiana for repair. 2. Replace Feather Key. Return to Mathey Dearman, Inc. or C.I.A. Mathey Italiana for repair. 1. Make sure the Cutting and Beveling Blades are clear of the pipe. 2. Move the Cutter Control Knob to the ON Position. 3. Shut Down Air or Hydraulic Power Supply and bleed air or hydraulic pressure from Hoses. Repair or replace Air or Hydraulic Hoses. Follow the start up procedure. Follow the Air or Hydraulic Power Supply Manufacturer’s Parts and Operating Manual. 1. Move the Air Shutoff Valve to the ON Position. 2. Disassemble the Coolant Jets and remove debris. 3. Make sure Coolant Jets are free of debris. Check for kinks in the Coolant Lines.
10 USE CONDITION 10.1 PROVIDED USE CONDITION The CGM Pipe Cold Cutting and Beveling Machine are designed to cut 8” (203 mm.) and larger metal pipes. Special Wheels are required for 6” Pipe. 1. CGM-1 is designed to cut any round pipe having a smooth external surface. The machine should not be used to cut spiral wound pipe. 2. To avoid overloading of the Chain, do not install the Guide Track and the Drive Chain on heavy crushed pipe or on seam or spiral welded pipe. 3. The machine can prepare the pipe that will be welded in almost any type of environment. 4. Requires a Pneumatic or Hydraulic Power Supply and Hose Connections that meet the requirements previously mentioned in this text. 5. The Hydraulic Drive Machine can operate at blade bevel angles up to 45 degrees depending on pipe tensile strength. Through the use of Special Beveling Cutters, it is possible to make nonstandard standard bevel angles for special welding process. 6. 30° or 37, 5° Angle Bevel Cutters are available for the customer’s welding application. Special Bevel Cutters for “U” or “J” Bevels are available on request. 7. Use the right chain length, Center and Beveling Cutters at the appropriate wheel position. In case of doubt refer to Table 1. 8. The CGM must always be used with both Beveling Cutters. The machine should never be used with only a single Beveling Cutter. 9. A Guide Track must be used when cutting larger pipes or when operating in oblique position angles to 10 Degrees. This is to avoid the slipping of the machine on the pipe due to gravity. 10. A Guide Strip is required for high precision cutting or a multiple pass cutting. To accurately tension the chain on the pipe a pass should be made around the pipe, before attempting the cutting process. 10.2 USE NOT ALLOWED 1. The machine should not be used to cut through any obstacles around the circumference on the pipe or to cut damaged pipe. 2. Never operate the machine with the cutters in reverse position. Improper use will result in damage to the Blades and possible injury to the operator. 3. Do not operate the machine in clockwise rotation around the pipe except to relieve a cutter blockage. 4. The Cutters run in clockwise rotation, the machine must rotate in counterclockwise rotation around the pipe. 5. The Hydraulic CGM-1 is designed for this underwater application do not use the Pneumatic Machine for an underwater application.
CONFORMITY OF THE MACHINE • AIR MOTOR DRIVE VERSION - The machine has been designed and made in accordance with the regulations now in force and in respect to safety. The machine is designed and built to the following regulations: CEE 89/392 Machine Regulations. EN 292-2 Standardized Rule on use of the Machines. Dig. 475 Italian Machine Regulations. CEE 89/656 Use of the Individual protection device.
WARNING: The machine exceeds the noise limits stated on Regulation 79/113. The noise is created by exhaust of the powerful air motors necessary to accomplish the cutting process. Additional noise is created by the echo produced by the pipeline as it simulates a reverberation box. When the Pneumatic CGM-1 is in operation, noise test measurements show a noise level of around 90 dB, while under cutting stress, it could exceed 100 dB.
ALL NECESSARY HEARING PROTECTION DEVICES MUST BE WORN WHILE THE MACHINE IS IN OPERATION. •
OIL MOTOR DRIVE VERSION - The machine has been designed and made in accordance with the regulations now in force and in respect to safety. The machine is designed and built to the following regulations: CEE 89/392 Machine Regulations EN 292-2 Standardized Rule on use of the machines. DIG. 475 Italian Machine Regulations. CEE 89/656 Use of the Individual Protection Device. WARNING: The machine exceeds the noise limits stated on Regulation 79/113. The noise is created by the powerful hydraulic motors necessary to accomplish the cutting process. Additional noise is created by the echo produced by the pipeline as it simulates a reverberation box. When the Pneumatic CGM is in operation, noise test measurements show a noise level of around 90 dB, while under cutting stress, it could exceed 100 dB. ALL NECESSARY HEARING PROTECTION DEVICES MUST BE WORN WHILE THE MACHINE IS IN OPERATION.
Warranty If any merchandise sold hereunder (except merchandise manufactured by other persons or firms) by Mathey Dearman, Inc. (the “Company”) is not in accordance with specifications shown on the order within customarily accepted tolerances, or is defective on account of workmanship or material, and if such merchandise is returned at the customer’s expense and rise, to the Company’s manufacturing facility (or at the Company’s option, is returned to a repair facility authorized by the Company), within ninety (90) days after the Company’s date of shipment thereof, the Company will, at its option, replace or repair the merchandise. This agreement, however, is upon the conditions: (A) that the customer promptly notifies the Company in writing of any claim under this agreement, setting forth in detail any such claimed defect. (B) That the Company be afforded a reasonable opportunity to examine the merchandise and to investigate the claimed defect at the Company’s manufacturing facility or at an authorized repair facility, the Company shall not be, in any event, liable for damages beyond the price paid by the customer for such defective merchandise; specifically but without limitation, the Company may fulfill its obligations under this Agreement by tendering such purchase price at any time. THE COMPANY SHALL NOT BE LIABLE FOR CONSEQUENTIAL, INCIDENTAL, PUNITITVE, OR EXEMPLARY DAMAGES. This agreement does not obligate the Company to bear any transportation charges in connection with the replacement or the repair of defective merchandise. As to any item manufactured by other persons or firms, the Company agrees to present a request for adjustment for repair to such manufacturer, and the customer agrees that the liability of the Company shall not exceed any adjustment with respect to which such manufacturer accepts responsibility. THE ABOVE AGREEMENT IS IN LIEU OF ALL WARRANTIES, EXPRESSED OR IMPLIED AND IT IS AGREED THAT THERE IS NO EXPRESSED OR IMPLIED WARRANTY BY THE COMPANY AS TO THE FITNESS, MERCHANTABILITY CAPACITY, OR EFFICIENCY OF ANY MERCHANDISE SOLD, AND THAT THERE ARE NO ORAL OR WRITTEN EXPRESSED OR IMPLIED WARRANTIES MADE IN CONNECTION WITH ANY SALE BY THE COMPANY. No modification or addition to this agreement, either before or after the contract of sale, shall be made except on written authority of the President or Vice President of the Company.
C.I.A. Mathey Italiana S.r.l. Via Isonzo, 26 - 20050 S. Damiano di Brugherio (MI) Phone: +39 039 831019/2020021 â€˘ Fax: +39 039 2020079 email@example.com â€˘ www.ciamathey.com