John Deere 946, 956 Mower Conditioner Diagnostic Repair Manual TM1824 PDF

946 and 956 Center Pivot Rotary Mower-Conditioners Diagnostic and Repair

TECHNICAL MANUAL Mower Conditioners models 946, 956 TM1824 23 MAR 14 (ENGLISH)

John Deere Agriculture Pinted by Belgreen

TM1824-TECHNICAL MANUAL

(g) by Belgreen v2.5

Table of contents FOREWORD SERVICE TECHNICIAN RESPONSE Section 10 - GENERAL Group 05 - Safety Group 10 - Specifications Group 15 - General Information Group 20 - Lubricants Section 20 - POWER TRAIN Group 05 - General Information Group 10 - Driveline Malfunctions Group 15 - Driveline Repair Group 20 - Tongue Drive Shaft Group 25 - Belt Drives Group 30 - Hitch, Tongue, and Platform Gear Cases Group 35 - Cutterbar-Conditioner Gear Case Group 40 - Roll Drive Gear Case (Roll Machine) Section 30 - CUTTING COMPONENTS Group 05 - General Information Group 10 - Diagnosing Malfunctions Group 15 - Cutterbar Assembly Group 20 - Disks and Knives Section 40 - PLATFORM Group 05 - General Information Group 10 - Platform Repair Section 50 - CONDITIONER Group 05 - General Information Group 10 - Diagnosing Malfunctions Group 15 - Roll Arms and Bearings Group 20 - Rolls Group 25 - Impeller Section 60 - CARRIER FRAME AND TONGUE Group 05 - General Information Group 10 - Diagnosing Malfunctions Group 15 - Carrier Frame Group 20 - Tongue Section 70 - HYDRAULICS Group 05 - General Information Group 10 - Diagnosing Malfunctions Group 15 - Lift Cylinders Group 20 - Swing Cylinder Group 25 - Tilt Cylinder (Top Link) Section 80 - MISCELLANEOUS Group 05 - Wheels and Wheel Support Assembly Group 10 - Electrical Repair Section 99 - DEALER FABRICATED TOOLS Group 05 - Dealer Fabricated Tools

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TM1824-TECHNICAL MANUAL

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TM1824-TECHNICAL MANUAL

TM1824-TECHNICAL MANUAL

(g) by Belgreen v2.5

Foreword This manual is written for an experienced technician. Essential tools required in performing certain service work are identified in this manual and are recommended for use.

Live with safety: Read the safety messages in the introduction of this manual and the cautions presented throughout the text of the manual.

CAUTION: This is the safety-alert symbol. When you see this symbol on the machine or in this manual, be alert to the potential for personal injury.

Technical manuals are divided in two parts: repair and operation and tests. Repair sections tell how to repair the components.

Operation and tests sections help you identify the majority of routine failures quickly.

Information is organized in groups for the various components requiring service instruction. At the beginning of each group are summary listings of all applicable essential tools, service equipment and tools, other materials needed to do the job, service parts kits, specifications, wear tolerances, and torque values.

Technical Manuals are concise guides for specific machines. They are on-the-job guides containing only the vital information needed for diagnosis, analysis, testing, and repair.

Fundamental service information is available from other sources covering basic theory of operation, fundamentals of troubleshooting, general maintenance, and basic type of failures and their causes.

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TM1824-TECHNICAL MANUAL

GENERAL

(g) by Belgreen v2.0

Service Technician Response We need your help to continually improve our technical publications. Please FAX or mail your comments, ideas and improvements on this comment sheet.

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Section 10 page 1

TM1824-TECHNICAL MANUAL

TM1824-TECHNICAL MANUAL

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Section 10 - GENERAL Table of contents Group 05 - Safety ..................................................................................................................................... 1 Recognize Safety Information ............................................................................................................... 1 Understand Signal Words ..................................................................................................................... 1 Follow Safety Instructions ..................................................................................................................... 1 Operate Mower-Conditioner Safely ....................................................................................................... 2 Keep Riders Off Machine ...................................................................................................................... 3 Handle Fluids Safely—Avoid Fires ......................................................................................................... 3 Prepare for Emergencies ...................................................................................................................... 3 Handle Chemical Products Safely ......................................................................................................... 4 Avoid High-Pressure Fluids ................................................................................................................... 4 Stay Clear of Rotating Drivelines .......................................................................................................... 5 Avoid Injury From Thrown Objects ........................................................................................................ 6 Use Safety Lights and Devices ............................................................................................................. 7 Use a Safety Chain (Drawbar Hitch) ..................................................................................................... 7 Tow Loads Safely .................................................................................................................................. 8 Support Machine Properly .................................................................................................................... 8 Wear Protective Clothing .................................................................................................................... 10 Work in Clean Area ............................................................................................................................. 10 Service Machines Safely ..................................................................................................................... 11 Illuminate Work Area Safely ............................................................................................................... 11 Replace Safety Signs .......................................................................................................................... 11 Use Proper Lifting Equipment ............................................................................................................. 12 Remove Paint Before Welding or Heating ........................................................................................... 12 Avoid Heating Near Pressurized Fluid Lines ........................................................................................ 13 Service Tires Safely ............................................................................................................................ 13 Practice Safe Maintenance ................................................................................................................. 15 Use Proper Tools ................................................................................................................................. 15 Construct Dealer-Made Tools Safely ................................................................................................... 16 Dispose of Waste Properly .................................................................................................................. 16 Live With Safety ................................................................................................................................. 17 Group 10 - Specifications ..................................................................................................................... 18 946 and 956 Center Pivot Rotary Mower-Conditioner Specifications Specifications and design subject to change without notice. ............................................................................................................ 18 Metric Bolt and Screw Torque Values ................................................................................................. 20 Unified Inch Bolt and Screw Torque Values ........................................................................................ 21 Face Seal Fittings Assembly and Installation—All Pressure Applications ............................................ 21 SAE Face Seal Fitting Torque Chart—Standard Pressure Applications ................................................ 23 SAE Face Seal Fitting Torque Chart—High Pressure Applications ....................................................... 24 Service Recommendations For 37° Flare and 30° Cone Seat Connectors .......................................... 25 Group 15 - General Information ........................................................................................................... 26 Machine Description ........................................................................................................................... 26 Record Product Identification Numbers .............................................................................................. 26 Machine Serial Number ...................................................................................................................... 27 Group 20 - Lubricants ............................................................................................................................ 28 Grease ................................................................................................................................................ 28 Cutterbar Oil ....................................................................................................................................... 29 Gear Case Oil ...................................................................................................................................... 30 Alternative and Synthetic Lubricants .................................................................................................. 30 Mixing of Lubricants ........................................................................................................................... 30 Lubricant Storage ............................................................................................................................... 30 <- Go to Global Table of contents

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TM1824-TECHNICAL MANUAL

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Perform Lubrication and Maintenance ................................................................................................ 31

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TM1824-TECHNICAL MANUAL

Section 10 - GENERAL

Group 05: Safety

Group 05 - Safety Recognize Safety Information

Safety-alert symbol This is a safety-alert symbol. When you see this symbol on your machine or in this manual, be alert to the potential for personal injury.

Follow recommended precautions and safe operating practices.

Understand Signal Words

Signal Words A signal word—DANGER, WARNING, or CAUTION—is used with the safety-alert symbol. DANGER identifies the most serious hazards.

DANGER or WARNING safety signs are located near specific hazards. General precautions are listed on CAUTION safety signs.

CAUTION also calls attention to safety messages in this manual.

Follow Safety Instructions

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Section 10 page 1

TM1824-TECHNICAL MANUAL

Section 10 - GENERAL

Group 05: Safety

Safety Messages Carefully read all safety messages in this manual and on your machine safety signs. Keep safety signs in good condition.

Replace missing or damaged safety signs. Be sure new equipment components and repair parts include the current safety signs. Replacement safety signs are available from your John Deere dealer.

There can be additional safety information contained on parts and components sourced from suppliers that is not reproduced in this operator′s manual.

Learn how to operate the machine and how to use controls properly. Do not let anyone operate without instruction.

Keep your machine in proper working condition. Unauthorized modifications to the machine may impair the function and/or safety and affect machine life.

If you do not understand any part of this manual and need assistance, contact your John Deere dealer.

Operate Mower-Conditioner Safely

Safety Pinched or Cut Fingers

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Section 10 page 2

TM1824-TECHNICAL MANUAL

Section 10 - GENERAL

Group 05: Safety

Safety Pinched or Cut Feet Keep all shields in place.

Never hand feed material into machine.

Do not lean against, sit, or stand on cutterbar curtains or their supporting framework.

Do not operate mower-conditioner with cutterbar in raised position.

Regularly check that disks and knife bolts are tight.

Impeller conditioner; Make sure tines are securely fastened on rotor.

Always operate machine at rated speed.

Drive slowly over rough ground.

Keep Riders Off Machine

Safety Falling from Machinery is Possible Keep riders off.

Riders are subject to injury such as being struck by foreign objects and being thrown off of the machine. Riders also obstruct the operator′s view resulting in the machine being operated in an unsafe manner.

Handle Fluids Safely—Avoid Fires

Avoid Fires When you work around fuel, do not smoke or work near heaters or other fire hazards.

Store flammable fluids away from fire hazards. Do not incinerate or puncture pressurized containers.

Make sure machine is clean of trash, grease, and debris.

Do not store oily rags; they can ignite and burn spontaneously.

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Section 10 page 3

TM1824-TECHNICAL MANUAL