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Challenger MT297 Service Manual

Compact tractor - power shuttle
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Challenger
MT297
Compact Tractor - Power Shuttle
SERVICE MANUAL
79028569 A Rev.
CONTENTS
GENERAL INFORMATION ....................................................................................................................................01
MAJOR COMPONENTS ........................................................................................................................................02
COOLING, AIR CLEANER, AND FUEL SYSTEMS...............................................................................................03
ENGINE ..................................................................................................................................................................04
CLUTCH .................................................................................................................................................................05
TRANSMISSION.....................................................................................................................................................06
FRONT AXLE .........................................................................................................................................................07
REAR AXLE ...........................................................................................................................................................08
POWER STEERING SYSTEM ...............................................................................................................................09
HYDRAULICS ........................................................................................................................................................10
ELECTRICAL .........................................................................................................................................................11
© AGCO Corporation, 2007 All rights reserved.
Part Number 79028569 A Rev. (English)
Printed in U.S.A.
December 2007

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  • Page 1 ® Challenger MT297 Compact Tractor - Power Shuttle SERVICE MANUAL 79028569 A Rev. CONTENTS GENERAL INFORMATION ............................01 MAJOR COMPONENTS ............................02 COOLING, AIR CLEANER, AND FUEL SYSTEMS....................03 ENGINE ..................................04 CLUTCH .................................05 TRANSMISSION..............................06 FRONT AXLE .................................07 REAR AXLE ................................08 POWER STEERING SYSTEM ..........................09 HYDRAULICS ................................10...

  • Page 2: Table Of Contents

    Contents ® Challenger MT297 Compact Tractor - Power Shuttle SERVICE MANUAL 79028569 A Rev. 01 - General Information Contents INTRODUCTION Introduction ..............................01-1 Indexing ..............................01-1 Special Tools ............................01-1 Repair and Replacements ........................01-1 Repair Time Schedule ..........................01-1 Amendments ............................
  • Page 3 Contents NOTES 01-ii 79028569 A Rev. Find manuals at https://best-manuals.com...

  • Page 4: Introduction

    • The tractor warranty may be invalidated by the fitting Indexing of other than genuine AGCO / Challenger / Massey Ferguson parts. All replacements have the full For convenience, the manual is divided into parts, backing of the manufacturers warranty. AGCO /...

  • Page 5: Amendments

    Introduction Amendments Under normal conditions, revised pages issued carry the same number existing pages requiring amendment. The new pages are inserted in p lace of the existing ones. The old pages should then be discarded. In some cases additional pages or completely new sections may be issued.

  • Page 6: Safety Precautions

    Safety Precautions SAFETY PRECAUTIONS SAFETY PRECAUTIONS • Make sure that all persons are in a safe position • Before any attempt is made to disconnect or remove before starting the engine, or operating ANY of the any hydraulic component, make sure the hydraulic controls.
  • Page 7 Safety Precautions NOTES 01-4 79028569 A Rev. Find manuals at https://best-manuals.com...

  • Page 8: Tractor Identification

    Tractor Identification TRACTOR IDENTIFICATION TRACTOR IDENTIFICATION Model / Serial Numbers Each tractor is identified by means of Tractor model and serial numbers. As a further identification, engine and chassis are provided with identification numbers. To assist the parts department in ordering parts, list the tractor model and serial numbers on the parts order form.
  • Page 9 Tractor Identification FIG. 4: Engine model number (1) is cast on left side of engine block, below the injection pump. Engine serial number (2) is stamped into cylinder block, above engine model number. Chassis Number I5002 FIG. 4 FIG. 5: Chassis number (1) is stamped in right side of front frame.

  • Page 10: Torque Charts

    Torque Charts TORQUE CHARTS SPECIAL TORQUES Description Bolt and Nut Torque (Hardness) Nm (ft.-lbs.) Front Axle - 4WD Axle bracket - engine bolt torque M14 (7T) 127-147 (94-109) Front pivot casting (support) - bolt torque M12 (7T) 88-108 (65-80) Rear pivot casting (support) - bolt torque M18 (7T) 119-136 (88-101) Front axle final drive - bolt torque...

  • Page 11: Standard Torque Chart

    Torque Charts STANDARD TORQUE CHART Torque Chart for Metric Fasteners (Zinc Coated) Strength Class Strength Class Strength Class ISO 4.6 (4T) ISO 8.8 (7T) ISO 10.9 (9T) Nominal Size In mm Torque Nm (lbf-ft) Torque Nm (lbf-ft) Torque Nm (lbf-ft) Min.
  • Page 12 Torque Charts NOTE: Above torques are for “rigid” joints or joints meeting the following conditions: 1. Damage will not occur to jointed members of an assembly. 2. It is desireable to use a higher clamping force. 3. Fastener threads are not lubricated prior to assembly.
  • Page 13 Torque Charts NOTES 01-10 79028569 A Rev.

  • Page 14: Specifications And Capacities

    Specifications and Capacities SPECIFICATIONS AND CAPACITIES CAPACITIES Engine Oil Use appropriate SAE approved oil. Capacity (Crankcase and Filter)....................9.0 liters (9.5 US qts.) Recommended Viscosity 25 Degrees Celsius (78 Degrees Fahrenheit) and above............SAE 30W, 10W-30 0 to 25 Degrees Celsius (32 to 78 Degrees Fahrenheit)............SAE 20W, 10W-30 Below 0 Degrees Celsius (32 Degrees Fahrenheit) ..............

  • Page 15: Transmission

    Specifications and Capacities Type........................... Indirect injection, overhead valve Aspiration ..................................Natural Displacement ............................2835 cc (173 cu. in.) 4 Cylinders Bore..............................95 mm (3.740 in) Stroke..............................100 mm (3.937 in) Engine Horsepower at 2500 rpm Gross................................. 41 kw (55 hp) Net................................

  • Page 16: Electrical System

    Specifications and Capacities Pressure............................. 11,797 kPa (1711 PSI) Main Hydraulic System Pump..........................Engine-mounted gear pump Maximum Output ....................... 43.2 l/min (11.4 US gal/min) Pressure....................... Relief valve setting 15,692 kPa (2276 psi) Rear Linkage Type..............................Three-point hitch Size ................................Category 1 Control.............................

  • Page 17: Wheels And Tires

    Specifications and Capacities WHEELS AND TIRES Examine wheels and tires periodically for correct inflation pressures, tight wheel bolts, and any physical damage that may be a detriment to tractor operation and operator safety. Correct condition prior to tractor operation. Tire Inflation Pressures Maintaining correct tire pressure will help insure tire long life.

  • Page 18: Front Wheel Alignment

    Specifications and Capacities Front Wheel Alignment FIG. 7: Correct toe-in dimension of front wheels (A minus B) is 0.08 to 0.24 in (2-6 mm). NOTE: Measure toe-in from the tire center to tire center at a point halfway up on face of each tire. To adjust, remove clip securing rubber boot to tie rod (3).

  • Page 19: Agricultural-Type Rear Wheels

    Specifications and Capacities Agricultural-Type Rear Wheels Four different rear tread width settings may be achieved by reversing wheel centers, switching rear tires and wheels from side to side, and/or by repositioning wheel rim on the wheel center. NOTE: Agricultural lug-type tires must always be installed so when viewed from the rear, the V pattern of the tread points upward.

  • Page 20: Transmission Speeds

    Specifications and Capacities TRANSMISSION SPEEDS Shift Positions Range Gear Tire Agri Turf Forward 0.45 0.73 0.37 0.60 0.55 0.89 0.46 0.74 0.63 1.02 0.52 0.84 0.89 1.44 0.74 1.19 1.36 2.19 1.12 1.81 1.67 2.69 1.38 2.22 1.92 3.09 1.58 2.55 2.70 4.34...
  • Page 21 Specifications and Capacities Arrangement of gears with appropriate ground speeds, in order from slow to fast, are shown in the chart. NOTE: Ground speed indicated for at 2500 engine rpm with 14.9-28 agricultural type rear tires and 475/65D-20 turf rear tires. Ground speed with R4 (industrial tread) tires will vary slightly.

  • Page 22: Index

    Index INDEX Agricultural-Type Rear Wheels ......01-16 Front Wheel Alignment ........01-15 Introduction ............01-1 Safety Precautions ..........01-3 Specifications and Capacities ......01-11 Torque Charts Special Torques ..........01-7 Standard Torque Chart ........01-8 Tractor Identification ..........01-5 Transmission Speeds ........01-17 Turf Tires ............
  • Page 23 Index NOTES 01-20 79028569 A Rev.
  • Page 24 Contents ® Challenger MT297 Compact Tractor - Power Shuttle SERVICE MANUAL 79028569 A Rev. 02 - Major Components Contents GENERAL PRECAUTIONS General Precautions for Separation and Installation ..................02-1 Before Operation ............................. 02-1 Precautions to be Followed When Installing Standardized Parts ..............02-1 Roller or Ball Bearings ..........................
  • Page 25 Contents Steering Column Cover ..........................02-35 Remove and Installation ........................02-35 Instrument Panel ........................... 02-35 Shroud Around Instrument Panel ........................ 02-35 Remove and Installation ........................02-35 ROPS Frame and Seat Belt ......................... 02-36 Fender ................................. 02-38 Remove and Installation ........................02-38 Seat ................................

  • Page 26: General Precautions

    During installation, be careful not to damage the lips, • When replacing parts, use authorized, genuine and assure that it is pushed in parallel to the shaft or AGCO / Challenger / Massey Ferguson parts only. hole. AGCO assumes no responsibility for accidents, •...

  • Page 27: Spring (Roll) Pin

    General Precautions FIG. 1: How to install the snap ring: When installing a snap ring (1) install it as shown with its round edge (2) turned toward the part to be retained. This round edge is formed when the snap ring is pressed out. I3416 FIG.

  • Page 28: Bolts And Nuts

    General Precautions Bolts and Nuts Other Precautions Special bolts are installed at several locations, so be sure Be sure not to damage any finished surfaces or parts. not to interchange them with other bolts. Always refrain from forcing installation. Bolts and nuts should be tightened to their specified Each lever knob should be installed coated with an torques with a torque wrench.
  • Page 29 General Precautions NOTES 02-4 79028569 A Rev.

  • Page 30: Separation Of Major Components

    Separation Of Major Components SEPARATION OF MAJOR COMPONENTS SEPARATION OF MAJOR COMPONENTS POWER SHUTTLE CLUTCH I3419A FIG. 4 FIG. 4: Operation chart for major separation. 79028569 A Rev. 02-5...

  • Page 31: Gear Train

    Separation Of Major Components GEAR TRAIN d-11979 FIG. 5 FIG. 5: Four-wheel drive gear train 02-6 79028569 A Rev.

  • Page 32: Front Wheel Drive Shaft (4Wd)

    Separation Of Major Components FRONT WHEEL DRIVE SHAFT (4WD) FIGS. 6–7: Drive shaft component list. 1. Drive shaft 2. Snap ring 3. Coupling 4. Tube 5. Tube 6. O-ring 7. O-ring I5039 8. Clamp FIG. 6 9. Clamp bolt 10. Bolt Removal and Installation Loosen clamp bolt (9) holding telescoping drive tubes.

  • Page 33: Front Axle And Front Axle Bracket

    Separation Of Major Components FRONT AXLE AND FRONT AXLE BRACKET Parts which can be inspected during this operation: • Spindle • Center Pivot • Final Drive at Wheel • Differential Gears Removal Remove front wheel drive shaft (4wd only). Support front bracket or front bumper securely with a crane or stands.

  • Page 34: Front Frame Separation From Engine

    Separation Of Major Components FRONT FRAME SEPARATION FROM ENGINE Parts which can be inspected during this operation: • Air Cleaner • Radiator • Power-Assist Steering System • Battery • Engine Front Area Removal Remove front wheel drive shaft. Hold or support engine with a crane or stands. Support the front frame or axle bracket in a manner that a component other than engine can be removed if required.
  • Page 35 Separation Of Major Components FIG. 12: Detach headlight wiring and remove front grille. Remove the air cleaner assembly. Drain coolant and remove radiator hoses. I5445 FIG. 12 FIG. 13: Remove front axle assembly as outlined in this chapter. Remove the lines to the steering cylinder. Cap off lines to prevent contamination.

  • Page 36: Installation

    Separation Of Major Components Installation Assemble in reverse order of removal. Install front frame using loctite on hardware. Install radiator hoses and replace coolant. Install axle bracket on frame. Connect oil lines to power steering system and install universal joint on steering shaft. Connect wiring of headlights and other harness.

  • Page 37: Splitting Tractor Between Engine And Front Transmission

    Separation Of Major Components SPLITTING TRACTOR BETWEEN ENGINE AND FRONT TRANSMISSION Parts which can be inspected during this operation: • Flywheel • Main Clutch • Input Gears Removal Drain transmission oil. FIG. 16: Remove front wheel drive shaft (4wd only). Support engine on the bottom with a jack or stands.
  • Page 38 Separation Of Major Components FIG. 19: Remove instrument panel. I5452 FIG. 19 FIG. 20: Remove steering column cover. I5454 FIG. 20 FIG. 21: Remove the shroud around the instrument panel. NOTE: When removing shroud, take care not to damage the panel brace and observe how the couplers pass through the upper part of the brace.
  • Page 39 Separation Of Major Components FIG. 23: Remove clutch rod by removing retaining pin from its upper part or loosen the turnbuckle completely. I5456 FIG. 23 FIG. 24: Remove hand throttle cable from injection pump. Disconnect foot throttle cable from injection pump and accelerator pedal.

  • Page 40: Assembly

    Separation Of Major Components FIGS. 25–26: Disconnect the wiring for the following parts and disconnect related couplers: • Glow plugs • Oil pressure switch • Temperature gauge • Grounding wire • Slow Blow Fuses • Fuel shut off solenoid • Main harness J411541 FIG.
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