FOREWORD
The purpose ofthis manual is to provide information concerning the general maintenance of the 60/61-R rotary blast hole drilL
The 60/61-R consists ofthree major units, the lower works, the mainframe and the mast. The lower works provides a foundation for the mainframe and contains a portion of the equipment necessary to propel the drilL The mainframe includes the hydraulic, main air and auxiliary air systems, the hoist-propel transmission and the machinery house. The machinery house encloses the majority of the mechanical equipment necessary for the main and auxiliary air systems, the hydraulic systems and electrical control systems. The machinery house is pressurized with filtered air to minimize dirt and heat build-up. The operator's cab, mounted to the mainframe, provides the operator's station, and encloses the majority of the controls necessary to operate the drill.
This manual consists of six chapters, each divided into sections. A table of contents is located in the front of the manual.
Throughout this manual the words CAUTION, WARNING and NOTE appear in bold face type. CAUTION is preceded by the safety alert symbol A and indicates that injury to personnel could occur if the proper procedures are not followed dunng operation or maintenance. Always read the CAUTION note carefully and use extreme care while performing that particular function.
WARNING indicates a possible hazard to the machine or its components if the proper procedures are not followed. Whenever the word WARNING appears, special attention should be given to prevent possible equipment damage.
NOTE is used to stress a point or to give additional information concerning the procedure being discussed.
These CA UTI ON's and WARNIN G' s are not all-inclusive. It is impossible for Bucyrus-Erie Company to know, evaluate, and advise maintenance and service personnel in every conceivable way a service operation might be performed and of the resulting possible hazardous consequences of each method. It is therefore extremely important that anyone who uses a service procedure or tool which is not recommended by Bucyrus-Erie Company to first satisfy himself that the service procedure or tool he chooses will not jeopardize his own safety, the safety of others, or cause machine or component damage.
Every effort has been made to make this manual as complete and accurate as possible at the time of publication. Bucyrus-Erie Company, however, reserves the right to continually improve its products. For this reason changes may have been made to the machine or its equipment that are not detailed in this manual.
MACHINE SERIAL NUMBER
BUCYRUS-ERIE COMPANY
General Offices: South Milwaukee, Wisconsin, U.S.A
1M SPS 184
BI005541
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CHAPTER 1- MECHANICAL MAINTENANCE PAGE Section 1- MAINTENANCE PROCEDURE General.................................................................................. 1 Maintenance Schedules and Reports.... . .. 1 Safety.................................................................................... 2 General............................................................................... 2 In-Operation Maintenance '" ............ .. .......... .. .... .. 2 Precautions Before and During Maintenance Work..................... 2 Section 2- LOWER WORKS Crawler Belts 5 Adjustment 5 Link Replacement............... 6 Belt Replacement. 7 Lower Rollers 7 Repair................................................................................ 7 Upper Rollers 8 Repair. 9 Drive Tumblers. ........................................................................ .. 9 Repair................................................................................ 9 Take-Up Tumbler 10 Repair 10 Crawler Frames : 11 Repair 11 Axles 13 Repair 14 Propel Final-Drive Chains 14 Repair 14 Adjustment 15 Section 3- MAINFRAME Mainframe and Mast Support 17 Repair 17 Leveling Jacks ......................................................................... .. 17 Repair 18 Machinery House 19 Repair 19 House Ventilation Fan and Filter 19 Walkways and Ladders 19 Operator's Cab 19 Operator's Seat. 20 Operator's Controls 20 Ventilation Unit 20 Hoist-Propel Gearcase 20 Repair 20 Removal and Installation of Gearcase 21 Gearcase Suspension 22 Hoist-Propel Gearcase Disassembly and Assembly 23 Hoist Shaft 24 C BUCYRUS·ERIE COMPANY. 1984 BI005541
TABLE OF CONTENTS
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Second Intermediate Shaft , 25 First Intermediate Shaft 26 Idler Shaft ............................................................................. .. 26 Propel Shaft ,.............. 27 Propel Clutches , 28 Repair 28 Hydraulic Motor Shaft 29 Electric Hoist·Propel Motor , 30 Repair 30 Propel Machinery 31 Repair ' 31 First Intermediate Shaft 31 Second Intermediate Shaft 32 Propel Chain Adjustment , '" 33 Hoist Brake ,. .. 34 Adjustment " 34 Repair 35 Auxiliary Reel Brake , , 36 Adjustment 37 Repair , 37 Propel Brakes ,........... 38 Adjustment 38 Repair 38 Hoist·Auxiliary Reel Clutch Lever 39 Adjustment 39 Repair 40 Hydraulic Pulldown Motor Clutch Lever 4:1 Adjustment 41 Repair 42 Hoist Limit Switch and Selsyn Indicator 43 Repair , ". ........................................... .. 43 Diesel Engine 45 Replacement of Drive Bolts , " 45 Belt Adjustment 46 Cable Reel ,... 46 Repair 46 Cable Reel Controls 50 Adjustment , 50 Section 4. MAST
JMast Structure ................................................................... .. 51 Repair 51 Mast Lock Latch .,....................................................................... 52 Repair 52 Rotary Gearcase (Standard) 54 Adjustment 54
& Repair 55 Rotary Gearcase (Super Heavy Duty) 57 Drive Shaft Adjustment 57B Repair 57B Rotary Motor (Standard Gearcase) 57E Rotary Motor (Super Heavy Duty Gearcase) 57E Rotary Coupling '. ......................................................... .. 57F Repair 57F Rotary Shock Sub 57F Repair 58 BI005541
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CHAPTER 2-
SYSTEM
2 Rotary Guide Frame (Standard) , '" 5 Adjustment 6 Repair 6 Rotary Guide Frame (Special) 6 Adjustment , ,, 6 Repair 6 Pulldown Chains 6 Adjustment 6 Repair 6 Pulldown Chain Equalizer 6 Repair 6 Tool Racks : 6 Repair : 6 Tool Wrenches , 7 Repair 7 Back Braces. 7 Repair 7 Adjustment , 7
HYDRAULIC
Section 1- SYSTEM OPERATION Cylinder Circuit Hydraulic System 7 Pulldown Circuit Hydraulic System (Standard) 7 Pulldown Circuit Hydraulic System (Automated) Section 2- GENERAL MAINTENANCE Hydraulic System Cleanliness 8 Oil Requirements k' 8 Oil and Filter Changes 8 Weekly Maintenance Checks 8: Oil Reservoir Repairs. Unloader Valve Adjustment Pressure Regulating (Relief) Valve Adjustment Chain Equalizer Valve Adjustment 8: Servo Valve Section 3- COMPONENT MAINTENANCE Hydraulic Pump Overhaul 8E Disassembly 8E Cleaning. 8E Inspection 86 Reassembly 86 Test Procedure " 88 Main Valve Banks 88 General 88 Disassem bly 88 Cleaning, Inspection and Repair 90 Assembly 90 Hydraulic Pulldown Motor 90 Disassembly 90 Cleaning, Inspection and Repair 92 Reassembly 92 • BUCYRUS-ERIE COMPANY, 1984 BI005541
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Disassembly of Chain Equalizer Valve Relief Valve Cartridge 92 Hydraulic Oil Cooler 93 Weekly Maintenance Check " 93 1000 Hour Maintenance Check 93 Yearly Maintenance Check 93 CHAPTER 3- AIR SYSTEMS
JSection 1· SYSTEMS OPERATION General 95 Main Air System 95 Auxiliary Air System 95 Safety 97 Section 2- GENERAL MAINTENAJ."J'CE Main Air System 99 General ' 99 Intake Air Filter - Box Type 99 Intake Air Filter - Tubular Type 99 Filter Replacement 100 Compressor Lubricator (Vane Compressor Only) 100 Feed Rate 100 Viscosity Grade 101 Lubricator Daily Maintenance Check 101 Lubricator Weekly Maintenance Check 101 Lubricator Service 101 Lubricator Priming 101 Compressor Radiator 102 Safety Valve Settings ......................•................................ " 102 Drill Pressure 102 Auxiliary Air System 102 Auxiliary Air Compressor 102 Miscellaneous Components 103 U nloader Check Valve Service 103 Tanner De-icer (optional) 103 Air Tanks _, 104 Air Tank Valves 104 Pressure Switch 104 Filter 104 Anti-Freezer - 104 Maintenance Procedure for Air Dryer 104 Desiccant Canister Removal 105 Purge Valve Removal : 106 Section 3. AUXILIARY AIR COMPRESSOR (KELLOGG-AMERICAN) Disassembly of Pump 109 Fitting and Reassembling 110 Section 4- MAIN AIR COMPRESSOR Rotary Vane Compressor (Allis-Chalmers) 113 1000 Hour Maintenance Check 113 4000 Hour Maintenance check 114 Blade Protection in Idle Units 117 Rotor Alignment for Redoweling 118 Rotor Field Redoweling ............................................................. .. 118 BI005541
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