AGCO Challenger MT945B Service Manual Download | Manualshive

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© AGCO Corporation, 2007 All rights reserved.
Part Number 79026547 Rev. A (English)

Printed in U.S.A.
June 2007

Challenger

®

MT945B / MT955B / MT965B / MT975B

Tractor

SERVICE MANUAL

79026547 Rev. A

CONTENTS

INTRODUCTION.....................................................................................................................................................01

ENGINE ..................................................................................................................................................................02

POWERTRAIN........................................................................................................................................................03

FRAME ...................................................................................................................................................................04

STEERING AND IMPLEMENT HYDRAULIC SYSTEM.........................................................................................05

HYDRAULIC SCHEMATICS ..................................................................................................................................06

ELECTRICAL SCHEMATICS ............................................................................................................................................ 07

TRACTOR MANAGEMENT CENTER (TMC).........................................................................................................08

CAB ........................................................................................................................................................................09

CAB HVAC..............................................................................................................................................................10

TIRE AND BALLASTING .......................................................................................................................................11

APPEARANCE GROUP.........................................................................................................................................12

TROUBLESHOOTING ............................................................................................................................................13

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Summary of Contents for Challenger MT945B

Page 1: ...MT955B MT965B MT975B Tractor SERVICE MANUAL 79026547 Rev A CONTENTS INTRODUCTION 01 ENGINE 02 POWERTRAIN 03 FRAME 04 STEERING AND IMPLEMENT HYDRAULIC SYSTEM 05 HYDRAULIC SCHEMATICS 06 ELECTRICAL SCHEM...

Page 2: ...gine Starting 01 8 Seat Belts 01 9 Shield Removal 01 9 Fluid Precautions 01 9 Battery Disconnect 01 10 Rollover Protective Structure ROPS 01 10 Burn Hazards 01 10 Coolant Precautions 01 11 Escaping Fl...

Page 3: ...01 ii 79026547Rev A Contents INDEX 01 23 Find manuals at http best manuals com search s CHAL 79026547...

Page 4: ...arer view Never operate tractor with any shields removed Divisions and Page Numbers Service manual is separated into divisions Refer to Master Table of Contents Each division has an identifying part n...

Page 5: ...n be anticipated Warnings in service manual and on product are therefore not all inclusive If a tool procedure work method or operating technique not specifically recommended by AGCO is used ensure it...

Page 6: ...not avoided may result in MINOR INJURY Informational Messages FIG 4 Do not operate or perform any lubrication maintenance or repair on tractor until reading and understanding operation lubrication ma...

Page 7: ...is stopped Engine start switch is turned off and switch key is removed Tractor has cooled down Steering cylinder lock is in place m WARNING Do not start engine until area is free of personnel to avoid...

Page 8: ...rding to local regulations Use all cleaning solutions with care Report all necessary repairs Some components of tractor are very heavy Use suitable lifting equipment or additional help as instructed i...

Page 9: ...ing operator compartment Crushing Cutting Prevention Stay clear of center articulation joint area of tractor when engine is running Connect articulation joint stop whenever servicing this area Support...

Page 10: ...und hips Parking Park on a level surface When parking on a grade chock tractor tires Move transmission control lever to PARK and lower all implements to ground Move implement controls to HOLD position...

Page 11: ...nshift if braking is required to control tractor speed Never coast down a hill with transmission in NEUTRAL Do not allow passengers anywhere on tractor except in approved passenger seat Operator Stati...

Page 12: ...de a better view certain photographs and illustrations in manual may show an assembly with shield removed Do not operate tractor unless all shields are in good condition and are in place Replace shiel...

Page 13: ...PS as this affects protection Do not alter structure by welding cutting adding weight or drilling holes into structure Any alteration not specifically authorized by AGCO invalidates AGCO certification...

Page 14: ...injury from escaping fluids is sustained Fluid injected into skin must be surgically removed within a few hours or gangrene may result Hot oil and hot components can cause personal injury FIG 19 Use a...

Page 15: ...ve materials on battery Use a voltmeter or a hydrometer Improper jumper cable connections can cause an explosion resulting injury Be careful when connecting booster cables to batteries Electrical comp...

Page 16: ...correctly Do not weld or flame cut on lines or tanks containing flammable fluids Clean any such lines or tanks thoroughly with non flammable solvent prior to welding or flame cutting Check all electr...

Page 17: ...ntarily disabled if satellite signal is lost It is imperative that operator be alert to position and conditions in field at all times Auto Guide System is designed to aid operator with tractor steerin...

Page 18: ...quick reference record identification numbers in spaces provided next to illustration FIG 26 Tractor PIN Plate is located on left side of frame rail Tractor PIN __________________________________ FIG...

Page 19: ...ersonal injury Avoid mixing metric and inch dimensioned fasteners Exceptions to torques are listed in Service Manual if necessary Prior to installation of any hardware ensure components are in near ne...

Page 20: ...Size Torque Pound Feet Lb Ft Torque Newton Meters Nm Torque Pound Feet Lb Ft Torque Newton Meters Nm Torque Pound Feet Lb Ft Torque Newton Meters Nm M6 x 1 9 1 12 3 10 1 13 3 4 5 6 1 M8 x 1 25 21 2 2...

Page 21: ...79026547Rev A M16 80 110 M20 125 170 M24 300 400 M30 550 750 M36 880 1200 Standard Taperlock Studs Thread Size Torque Pound Feet Lb Ft Torque Newton Meters Nm Find manuals at http best manuals com sea...

Page 22: ...40 175 15 240 40 85 10 115 20 3 4 10 275 30 370 50 320 30 430 60 150 15 200 40 7 8 9 460 50 620 80 520 50 700 90 240 25 325 40 1 8 660 70 900 100 775 75 1050 150 370 35 500 65 1 1 8 7 960 100 1300 150...

Page 23: ...ervice work both tube and hose connnections should be tightened finger tight and wrenched 1 4 turn O ring fittings should be tightened as for initial assembly JIC SWIVEL NUTS 37 SEAT Following values...

Page 24: ...2366 liters x 4 227 cups bushel x 35 239 liters x 0 02838 bushels bushel x 0 03524 meters m x 28 378 bushels MASS ounces av x 28 35 grams g x 0 03527 ounces av pounds av x 0 4536 kilograms kg x 2 2046...

Page 25: ...Introduction 01 22 79026547Rev A NOTES Find manuals at http best manuals com search s CHAL 79026547...

Page 26: ...M Metric Fasteners 01 17 Assembly Torque for Metric Fasteners 01 17 Metric Information 01 21 O Operation 01 7 Operator Station 01 8 P Parking 01 7 Plate Locations 01 15 Product Identification Informa...

Page 27: ...01 24 79026547Rev A Index NOTES Find manuals at http best manuals com search s CHAL 79026547...

Page 28: ...ydraulic Transmission Axle Cooler Removal 02 51 Hydraulic Transmission Axle Cooler Installation 02 61 Cooling Assembly Charge Air Cooler Removal and Installation 02 70 Charge Air Cooler Removal 02 70...

Page 29: ...n 02 144 Input Shaft and Input Coupling Removal 02 144 Input Shaft and Input Coupling Installation 02 148 Air Compressor Removal and Installation 02 151 Air Compressor Removal 02 151 Air Compressor In...

Page 30: ...ad Compression Ignition Engines The quality of the fluids used in these engines as well as the servicing schedule must be respected in order to keep pollution emission levels low and to maintain the t...

Page 31: ...Introduction 02 2 79026547Rev A NOTES Find manuals at http best manuals com search s CHAL 79026547...

Page 32: ...on the engine allow the engine and the components to cool Serpentine Belt Removal FIG 1 Battery disconnect switch IMPORTANT Park the tractor on a hard level surface Location of battery disconnect swi...

Page 33: ...ve bolts 1 and remove guard 2 FIG 4 Remove left guard NOTE This guard does not need to be removed if replacing just the fan drive serpentine belt Remove bolts 1 and remove guard 2 FIG 3 1 2 1 1 N01190...

Page 34: ...oner to relax into a neutral position FIG 6 Accessories serpentine belt removal NOTE Fan drive serpentine belt must be removed to replace accessories serpentine belt Use a ratchet wrench in the square...

Page 35: ...ng belt ribs are properly seated in pulley valleys and slowly allow belt tensioner to release until it makes contact with belt FIG 8 Fan drive serpentine belt install Install serpentine belt 3 over pu...

Page 36: ...rs 1 and tighten Torque to 55 Nm 40 lbf ft FIG 10 Install left guard NOTE This step can be skipped if the left guard was not removed Install guard 2 and install bolts and washers 1 and tighten Torque...

Page 37: ...and Installation 02 8 79026547Rev A FIG 11 Connect battery at battery disconnect switch Install key 1 and rotate to connect the battery power FIG 11 1 N012206002 Find manuals at http best manuals com...

Page 38: ...nance on the engine allow the engine and the components to cool FIG 12 Battery disconnect switch IMPORTANT Park the tractor on a hard level surface Location of battery disconnect switch 1 FIG 13 Disco...

Page 39: ...026547Rev A FIG 14 Remove the guard Remove bolts 1 Remove guard 2 FIG 15 Remove wiring Mark and remove wiring 1 2 and 3 from alternator 4 FIG 14 M5266002 1 1 1 1 1 2 FIG 15 1 2 4 3 M5266001 Find manua...

Page 40: ...ion m WARNING Equipment or parts under spring tension can cause bodily injury Use caution in releasing belt tension NOTE Be sure to allow enough room for the swing of the ratchet to allow belt tension...

Page 41: ...over pulleys on front of engine leaving it off of alternator pulley Ensure that belt ribs are properly seated in pulley valleys Insert square drive of ratchet into square hole 1 on belt tensioner 2 an...

Page 42: ...alternator 4 Connect electrical wires 1 2 and 3 to posts on back of alternator 4 Position protective boot over power terminal 2 FIG 22 Install guard Install guard 2 Install bolts 1 Torque to 55 N m 4...

Page 43: ...and Installation 02 14 79026547Rev A FIG 23 Connect battery at battery disconnect switch Insert and rotate key 1 to connect the battery power FIG 23 1 N012206002 Find manuals at http best manuals com...

Page 44: ...e machine Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids Dispose of all fluids according to local regulations...

Page 45: ...itioner refrigerant gas through a lit cigarette or other smoking method or inhaling fumes released from a flame contacting air conditioner refrigerant gas can cause bodily harm or death Do not smoke w...

Page 46: ...Remove tow cable Special applications tractor only Remove pin 1 and remove tow cable 2 from the front of the tractor The weight of the tow cable is approximately 58 kg 128 lb FIG 28 Remove tow cable S...

Page 47: ...y guard 4 The weight of the heavy duty guard is approximately 190 kg 419 lb FIG 31 Drain engine coolant Place approved container under drain line 1 Turn valve 2 counter clockwise to open Drain engine...

Page 48: ...RTANT Plug turbo hole and hole in the charge air cooler with clean cloth towels to prevent dirt entering the system FIG 35 Remove left side charge air tube Clean dirt off of charge air tube 1 and it c...

Page 49: ...79026547Rev A FIG 36 Remove left guard Remove bolts 1 and remove guard 2 FIG 37 Remove right guard Remove bolts 1 and remove guard 2 FIG 36 1 1 2 1 N012606004 FIG 37 1 2 1 1 N011906001 Find manuals a...

Page 50: ...that fasten it to the cooler assembly Remove right half of shroud 3 FIG 39 Remove left side of fan shroud Remove bolts 1 that fasten a c line to the shroud Fasten a c line out of the way Remove bolts...

Page 51: ...This as a preview PDF file from best manuals com Download full PDF manual at best manuals com...

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