Challenger MT265B Service Manual

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Challenger

MT265B / MT275B

Compact Tractor

SERVICE MANUAL

79028571 A Rev.

CONTENTS

GENERAL INFORMATION ....................................................................................................................................01

ENGINE SERVICE MANUAL .............................................................................................................................. 02A

ENGINE ............................................................................................................................................................... 02B

MAJOR COMPONENTS ........................................................................................................................................03

CLUTCH .................................................................................................................................................................04

TRANSMISSION.....................................................................................................................................................05

HYDROSTATIC TRANSMISSION ..........................................................................................................................06

REAR AXLE AND BRAKES ..................................................................................................................................07

FRONT AXLE .........................................................................................................................................................08

HYDRAULICS ........................................................................................................................................................09

ELECTRICAL .........................................................................................................................................................10

HYDROSTATIC STEERING...................................................................................................................................11

CAB AND AIR CONDITIONING.............................................................................................................................12

Part Number 79028571 A Rev. (English)

Printed in U.S.A.

September 2008

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Questions and answers

Paul Limbach

April 11, 2025

How do I change the water pump on a mt265b tractor?

1 comments:

Mr. Anderson

April 11, 2025

To change the water pump on a Challenger MT265B tractor, follow these general steps based on standard procedures, as specific step-by-step instructions are not fully detailed in the provided context:

1. Drain the Cooling System: Remove the radiator cap and open the drain valve to drain coolant completely.

2. Remove Components Blocking Access:
- Remove any shields or covers obstructing the water pump.
- Detach the fan belt and pulley connected to the water pump.

3. Disconnect Hoses: Detach the hoses connected to the water pump.

4. Remove the Water Pump:
- Unbolt the water pump from the engine block.
- Carefully remove the pump and gasket.

5. Inspect and Clean:
- Clean the mounting surface.
- Inspect for damage or corrosion.

6. Install New Water Pump:
- Place a new gasket or apply sealant if required.
- Bolt the new pump in place using the correct torque.

7. Reconnect Hoses and Components:
- Reattach hoses.
- Install the fan belt and pulley.
- Replace any removed covers or shields.

8. Refill Coolant:
- Refill the system with coolant.
- Bleed air from the cooling system as needed.

9. Test Operation:
- Start the engine and check for leaks.
- Monitor engine temperature and coolant level.

Use proper tools and follow safety precautions.

This answer is automatically generated

Summary of Contents for Challenger MT265B

Page 1 ® Challenger MT265B / MT275B Compact Tractor SERVICE MANUAL 79028571 A Rev. CONTENTS GENERAL INFORMATION ............................01 ENGINE SERVICE MANUAL ..........................02A ENGINE ................................02B MAJOR COMPONENTS ............................03 CLUTCH .................................04 TRANSMISSION..............................05 HYDROSTATIC TRANSMISSION ..........................06 REAR AXLE AND BRAKES ..........................07 FRONT AXLE .................................08 HYDRAULICS ................................09...
Page 2: Table Of Contents
Contents ® Challenger MT265B / MT275B Compact Tractor SERVICE MANUAL 79028571 A Rev. 01 - General Information Contents GENERAL Introduction ..............................01-1 To the Dealers ............................... 01-1 Replacement Parts ............................01-1 Units of Measurement ............................ 01-1 Table of Contents ............................01-1 Page Numbers ...............................
Page 3 Contents NOTES 01-ii 79028571 A Rev. Find manuals at https://best-manuals.com...
Page 4: Introduction
General GENERAL INTRODUCTION UNITS OF MEASUREMENT This service manual has been prepared with the latest Measurements are given in metric units followed by the service information available at the time of publication. equivalent in US units. Hardware sizes are given in Read the service manual carefully before doing any millimeters for metric hardware and inches for U.S.
Page 5: Tractor Identification
General TRACTOR IDENTIFICATION Model/Serial Numbers FIG. 1: Chassis number (1) is stamped in right side of front frame. ____________________________________________ I3381 FIG. 1 FIG. 2: Engine model number (1) is cast on right side of engine block, below the injection pump. Engine serial number (2) is stamped into cylinder block, below engine model number.
Page 6 General FIGS. 4–6: The identification plate contains model number and tractor serial number. i-9394 FIG. 4 i-9063 FIG. 5 i-9751 FIG. 6 79028571 A Rev. 01-3 Find manuals at https://best-manuals.com...
Page 7 General NOTES 01-4 79028571 A Rev. Find manuals at https://best-manuals.com...
Page 8: Specifications And Capacities
Specifications And Capacities SPECIFICATIONS AND CAPACITIES GENERAL DIMENSIONS i-9090b FIG. 7 FIG. 7: Non Cab Tractor Dimensions. General Dimensions Overall Height (1)............................2209 mm (87 in) Overall Length (2) ............................. 3070 mm (121 in) Minimum Width (3) (Ag Tires) ............................1680 mm (66.1 in) (Turf Tires).............................
Page 9 Specifications And Capacities i-9561d FIG. 8 FIG. 8: Cab Tractor General Dimensions. Overall Height (1) (Ag Tires)........................2220 mm (87.4 in) Overall Length (2) ............................. 3070 mm (121 in) Minimum Width (3) Ag Tires..............................1565 mm (62 in) Turf Tires ............................... 1530 mm (60 in) Wheelbase (4) 33 Horsepower .............................
Page 10: Engine Oil
Specifications And Capacities Engine Oil Use the appropriate SAE viscosity. Oil must meet or exceed MIL-L-46152 requirements, API Service CC. Capacity (Crankcase and Filter)......................4.7 liters (5.0 US qt) 25 degrees C (78 degrees F) ........................ SAE 30W, 1OW-30 Below 0 degrees C (32 degrees F)......................SAE 20W, 1OW-30 0 to 25 degrees C (32 to 78 degrees F)....................
Page 11: Engine
Specifications And Capacities Engine Make..................................Iseki Diesel Model 33 Horsepower ..............................E3CD 40 Horsepower ..............................E3CDT Type........................... Indirect injection, overhead valve Aspiration ..................................Natural Displacement 33 Horsepower ........................2197 cu cm (134.05 cu in) 40 Horsepower ........................2955 cu cm (180.29 cu in) Number of Cylinders................................
Page 12: Transmission
Specifications And Capacities Transmission Type Primary Power Shuttle........................4-speed sycnhronized Synchroshuttle ........................4-speed constant mesh Range Power Shuttle and Electronic ....................3-speed sliding mesh Synchroshuttle ........................2-speed constant mesh Mechanical Shuttle ........ Elector-Hydraulic control with multi plates, wet disc, 95% reverse reduction Gear Speeds All Synchroshuttle .........................
Page 13: Hydraulics
Specifications And Capacities Hydraulics Steering System Type................................Hydrostatic Pump........................Separate engine-mounted gear pump Maximum Output 33 Horsepower Synchroshuttle and Hydrostatic ............... 18.5 lpm (4.9 US gpm) 40 Horsepower Powershuttle .................... 22.7 lpm (6.0 US gpm) Pressure Relief Valve Setting......................7848 kPa (1138 psi) Main Hydraulic System Pump..............................
Page 14: Lubrication / Fill Points
Specifications And Capacities LUBRICATION / FILL POINTS i-9336a i-9336b FIG. 9 FIG. 9: General layout of lubrication, fill and drain Ref Description Type locations on Tractor: Assist Cylinder Grease Leveling Crank Grease Ref Description Type Front Spindles (4WD) Grease Crankcase Engine Oil Tie Rod Ends (2WD) Grease...
Page 15: Periodic Inspection And Maintenance Chart
Specifications And Capacities PERIODIC INSPECTION AND MAINTENANCE CHART Daily 50 hr Yearly Maintenance Point(s) Maintenance Required • All controls and switches Inspect and repair • All fasteners and hardware Check and tighten • Hoses, fan belt, and wiring Inspect and repair •...
Page 16 Specifications And Capacities Daily 50 hr Yearly Maintenance Point(s) Maintenance Required • Battery and cables Check, clean and tighten • Battery charge indicator Check • Lights and flashers Check and repair • Clutch pedal free-play Check and adjust • Brake adjustment and balance Check and adjust •...
Page 17 Specifications And Capacities NOTES 01-14 79028571 A Rev.
Page 18: Precautions For Disassembly
When the tractor is jacked up, be sure to support the entire tractor with a stand. Lifting it up with jack only is a dangerously unstable procedure. When replacing parts, use authorized genuine Massey Ferguson, AGCO and Challenger parts only. Massey Ferguson, AGCO Challenger...
Page 19 Precautions for Disassembly Snap rings FIG. 10: Snap ring installers should be designed so as not to permanently deform the snap rings (1). Installed snap rings should be seated securely in the groove. Be careful not to overload the snap ring to the extent that it is permanently deformed.
Page 20 Precautions for Disassembly Bolts and Nuts Special bolts are installed at several locations, so be sure not to interchange them with other bolts. Bolts and nuts should be tightened to their specified torque using a torque wrench. When locking the bolts or nuts with wire pay particular attention to winding direction.
Page 21 Precautions for Disassembly NOTES 01-18 79028571 A Rev.
Page 22: Standard Torque Chart
Standard Torque Chart STANDARD TORQUE CHART STANDARD TORQUE CHART TORQUE CHART FOR METRIC FASTENERS (ZINC COATED) Nominal Strength Class- Strength Class- Strength Class- Size ISO 4.6 (4T) ISO 8.8 (7T) ISO 10.9 (9T) in mm Torque Nm (lbf ft) Torque Nm (lbf ft) Torque Nm (lbf ft) Min.
Page 23 Standard Torque Chart TORQUE CHART FOR INCH FASTENERS (ZINC COATED) Nominal Strength Class- Strength Class- Strength Class- Size SAE 2 (plain head) (SAE 5) (SAE 8) Torque Nm (lbf ft) Torque Nm (lbf ft) Torque Nm (lbf ft) Min. Max. Min.
Page 24: Conversion Table
Conversion Table CONVERSION TABLE CONVERSION TABLES MULTIPLY: TO GET: MULTIPLY TO GET: LINEAR inches x 25.4 = millimeters (mm) x 0.03937 = inches feet x 0.3048 = meters (m) x 3.281 = feet yards x 0.9144 = meters (m) x 1.0936 = yards miles x 1.6093...
Page 25 Conversion Table MULTIPLY: TO GET: MULTIPLY TO GET: PRESSURE pounds/sq. in. x 6.895 = kilopascals (kPa) x 0.145 = pounds/sq. in. OR STRESS pounds/sq. in. x 0.0689 = bar x 14.503 = pounds/sq. in. POWER horsepower x 0.746 = kilowatts (kW) x 1.34 = horsepower ft - lbf/min.
Page 26: Index
Index INDEX Oil seals .............. 01-15 Bolts and Nuts ............ 01-17 O-rings ..............01-15 Other Precautions ..........01-17 Capacities ............01-10 Conversion Tables ..........01-21 Cotter pins ............01-16 Periodic Inspection and Maintenance Chart ..01-12 Power Take Off (PTO) .......... 01-9 Precautions for Disassembly ......
Page 27 Index NOTES 01-24 79028571 A Rev.
Page 28: 79028571 A Rev
® Challenger MT265B / MT275B Compact Tractor SERVICE MANUAL 79028571 A Rev. 02a - Engine Engine Service Manual Iseki Three-Cylinder Diesel Engine (Effective 2005 Production) Component Service Manual to be inserted here (Epsilon users go to AGCO Parts / Service Manuals / Miscellaneous / Engines) NOTE TO THE USER - The above Component Service Manual was automatically shipped under separate part number when your Service Manual was ordered.
Page 29 ENGINE SERVICE MANUAL Iseki Three-Cylinder Diesel Engine (Effective 2005 Production)
Page 30 TO OUR CUSTOMER: ® Congratulations on your selection of an AGCO Product. We believe you have exercised excellent judgment in the purchase of your ® AGCO machine. We are most appreciative of your patronage. Your Dealer has performed the pre-delivery service on your new machine.
Page 31 CONTENTS AGCO ® Iseki Three-Cylinder Diesel Engine 4283035M2 CONTENTS ISEKI THREE-CYLINDER DIESEL ENGINE ......................1 Introduction ................................. 1 General Information ............................1 General Information and Specifications ......................3 Specifications ............................... 3 Performance Curves ............................ 9 Exterior Views and Identification Numbers ....................12 Sectional Views ............................
Page 32 CONTENTS Water Pump ............................. 102 Fuel System ..............................103 Specifications ............................103 Removal, Disassembly, Inspection, Re-Assembly, and Installation ............104 Injection Nozzles and Holders ........................105 Nozzle Washing ............................108 Nozzle Replacement ..........................108 Needle Valve Sliding ..........................108 Installation of Injection Nozzles and Holders .................... 109 Governor ..............................
Page 33 (306) 1423 / ST25 / MT225 ** E3112-B11 (244) 1528 / ST28A / MT255B E3CF-WB01 (294) 1531 / ST33A E3CD-WB20 (293) 1533 / ST34A / MT265B E3CD-WB13 (313) 1540 / ST41A / MT275B E3CD-WTB01 (314) ZT29 E3CF-VG (326) ZT33 E3CD-VG02...
Page 34 ISEKI THREE-CYLINDER DIESEL ENGINE adjustments and repairs have been made in a manner other than as specified in this manual, the values mentioned herein inapplicable useless. Consequently, ISEKI does not assume responsibility for any problems or damage caused by a value deviation due to maladjustment or by the use of unauthorized parts.
Page 35 ISEKI THREE-CYLINDER DIESEL ENGINE GENERAL INFORMATION AND SPECIFICATIONS Specifications TRACTORS GC2300 / GC2310 / ST22A / GC2600 / GC1705 / GC1715 / GC2400 / GC2410 GC2610 GC1710 GC1720 1523 / ST24A / MT225B Engine Models E3112 Type 4-cycle, over-head valve, diesel with swirl type combustion chambers Cylinder - Bore x Stroke 3 - 78.2 x 78 mm (in)
Page 36 ISEKI THREE-CYLINDER DIESEL ENGINE TRACTORS GC2300 / GC2310 / ST22A / GC2600 / GC1705 / GC1715 / GC2400 / GC2410 / 1523 / GC2610 GC1710 GC1720 ST24A / MT225B Engine Models E3112 Supercharger system None Lubrication system Forced Lubrication Oil Pump Trochoid type Filtering method Full-flow type...
Page 37 ISEKI THREE-CYLINDER DIESEL ENGINE TRACTORS 1528 / ST28A / MT255B 1531 / 1533 / ST33A / 1540 / ST41A / MT275B ST34A / MT265B Engine Models E3CF E3CD E3CD-T Type 4-cycle, over-head valve, diesel with swirl type combustion chambers Cylinder - Bore x Stroke...
Page 38 ISEKI THREE-CYLINDER DIESEL ENGINE TRACTORS 1528 / ST28A / MT255B 1531 / 1533 / ST33A / 1540 / ST41A / MT275B ST34A / MT265B Engine Models E3CF E3CD E3CD-T Supercharger system None None Exhaust Turbo Charger Lubrication System: Forced lubrication...
Page 39 ISEKI THREE-CYLINDER DIESEL ENGINE TRACTORS ZT29 ZT33 1529 Engine Models E3CF E3CD E3CD-T Type 4-cycle, over-head valve, diesel with swirl type combustion chambers Cylinder - Bore x Stroke 3 - 86 x 84 3-87 x 84 mm (in) (3 - 3.37 x 3.3) (3 - 3.4 x 3.3) Total Displacement 1463...
Page 40 ISEKI THREE-CYLINDER DIESEL ENGINE TRACTORS ZT29 ZT33 1529 Engine Models E3CF E3CD E3CD-T Supercharger system None None Exhaust Turbo Charger Lubrication System: Forced lubrication Oil Pump Trochoid type Filtering method Full-flow type Cooling System: Water Cooling Cooling method Cooling fan mm (in) 360 (14.3) 380 (15.0) Driving method...
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