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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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Содержание Challenger MT945B

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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