Challenger MT225B Service Manual

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Challenger

MT225B

Compact Tractor

SERVICE MANUAL

79028097 A Rev.

CONTENTS

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

ENGINE ............................................................................................................................................................... 02A

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

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

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

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

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

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

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

HYDRAULIC SYSTEM ...........................................................................................................................................09

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

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

LUBRICATION .......................................................................................................................................................12

Part Number 79028097 A Rev. (English)

Printed in U.S.A.

August 2007

Table of Contents

Summary of Contents for Challenger MT225B

Page 1 ® Challenger MT225B Compact Tractor SERVICE MANUAL 79028097 A Rev. CONTENTS GENERAL INFORMATION ............................01 ENGINE ................................02A ENGINE ................................02B MAJOR COMPONENTS ............................03 CLUTCH .................................04 TRANSMISSION..............................05 HYDROSTATIC TRANSMISSION ..........................06 REAR BRAKES AND AXLE ..........................07 FRONT AXLE .................................08 HYDRAULIC SYSTEM ............................09 ELECTRICAL .................................10...
Page 2: Table Of Contents
Model/Serial Numbers ..........................01-2 SPECIFICATIONS General Specifications ........................... 01-5 1523 / ST24a / MT225B Hydrostatic (HST) - 4WD ................. 01-7 1523 / ST24a / MT225B Mechanical (Standard) 4WD ................01-8 PRECAUTIONS FOR DISASSEMBLY General Precautions For Disassembly And Installation ................01-11 Before Operation ...........................
Page 3 Contents NOTES 01-ii 79028097 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 Each Tractor is identified by means of Tractor model and serial numbers. As a further identification, engine and chassis are provided with identification numbers. FIG. 1: The tractor identification plate (1) is located below operator's seat. i-9700 FIG.
Page 6 General FIGS. 2–4: Identification plate, for each model, contains model numbers, machine series numbers and weight in addition to Tractor serial numbers. i-9063 FIG. 2 i-9394 FIG. 3 i-9751 FIG. 4 79028097 A Rev. 01-3 Find manuals at https://best-manuals.com...
Page 7 General FIG. 5: 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. I3244 FIG. 5 FIG. 6: Chassis number (1) is stamped in right side of front frame.
Page 8: Specifications
Specifications SPECIFICATIONS GENERAL SPECIFICATIONS Models............................. 1523 / ST24A / MT225B Engine Make................................ISEKI Diesel Model ................................E3112-B05 Type..........................Indirect injection, overhead valve Displacement ..........................1123 cc (68.5 cu in) Number of Cylinders..............................3 Bore..............................78.2 mm (3.078 in) Stroke............................... 78.0 mm (3.070 in) Engine Horsepower at 2600 rpm ......................
Page 9 Specifications Hydraulics Main Hydraulic System Pump..........................gear pump (open center) Output - maximum ......................20.6 l/min (5.40 gal/min) Pressure - relief valve setting ..................... 137 bar (1991 psi) Rear Linkage Type......................... three-point hitch Control....................operated by single ‘position’ control lever Lift Capacity - measured at ball ends..................
Page 10: 1523 / St24A / Mt225B Hydrostatic (Hst) - 4Wd
Specifications 1523 / ST24a / MT225B Hydrostatic (HST) - 4WD Tire Size Turf Tires Front .............................. 23.0 x 10.50 - 12 Rear..............................33 x 12.5 - 16.5 Ag Tires Front ................................6.00 - 12 Rear................................9.5 - 16 Overall Length............................2590 mm (102 in) Overall Width of Wheels..........................
Page 11: 1523 / St24A / Mt225B Mechanical (Standard) 4Wd
Specifications 1523 / ST24a / MT225B Mechanical (Standard) 4WD Tire Size Turf Tires Front .............................. 23.0 x 10.50 - 12 Rear..............................33 x 12.5 - 16.5 Ag Tires Front ................................6.00 - 12 Rear................................9.5 - 16 Overall Length............................2590 mm (102 in) Overall Width of Wheels..........................
Page 12 Specifications Transmission Primary..................................3 Range.................................... 2 Gear Selections ..............................F6/R2 Brakes ........................... mechanically actuated wet disk 79028097 A Rev. 01-9...
Page 13 Specifications NOTES 01-10 79028097 A Rev.
Page 14: 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 15 Precautions for Disassembly Snap rings FIG. 7: 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 16 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 17 Precautions for Disassembly NOTES 01-14 79028097 A Rev.
Page 18: 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 19 Standard Torque Chart TORQUE CHART FOR INCH FASTENERS (ZINC COATED) Nominal Strength Class- Strength Class- Strength Class- Size SAE 2 (plain head) SAE 5 in Inches (SAE 8) Torque Nm (lbf ft) Torque Nm (lbf ft) Torque Nm (lbf ft) Min.
Page 20: Sealant And Adhesives
Sealant and Adhesives SEALANT AND ADHESIVES SEALANT & ADHESIVES Sealant and adhesives quoted in this workshop service manual are listed below. NOTE: Where use of a specific sealant or retaining compound is required, this recommendation will be listed in the relevant operation. It should be understood that additional requirements are normally considered normal workshop practice.
Page 21 Three-Bond Sealants are available at the following address: *As available through AGCO / Massey Ferguson / Challenger Parts in United States and Canada. Three-Bond U.S.A. Inc. Detroit Branch 2000 Town Center Suite 1480 **As available through Central Parts Operation, Massey Southfield, MI 48075 Ferguson Urmston Manchester.
Page 22: Conversion Table
Conversion Table CONVERSION TABLE CONVERSION TABLES MULTIPLY: TO GET: MULTIPLY TO GET: 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 LINEAR miles...
Page 23 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. horsepower x 0.746 = kilowatts (kW) x 1.34 = horsepower POWER...
Page 24: Index
Index INDEX Bolts and Nuts ............ 01-13 Conversion Tables ..........01-19 Cotter pins ............01-12 General Precautions For Disassembly And Installation ..........01-11 General Specifications ......... 01-5 Grease Fittings ........... 01-13 Model/Serial Numbers ......... 01-2 Oil seals ............. 01-11 O-rings ............... 01-11 Precautions To Be Followed When Installing Standardized Parts ......
Page 25 Index NOTES 01-22 79028097 A Rev.
Page 26 ® Challenger MT225B Compact Tractor SERVICE MANUAL 79028097 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 27 ENGINE SERVICE MANUAL Iseki Three-Cylinder Diesel Engine (Prior to 2005 Production)
Page 28 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 29 ISEKI THREE-CYLINDER DIESEL ENGINE - 1 ISEKI THREE-CYLINDER DIESEL ENGINE INTRODUCTION ............................... 2 GENERAL INFORMATION AND SPECIFICATIONS ..................3 SERVICE STANDARDS ..........................16 INSPECTION AND ADJUSTMENT ......................... 33 ENGINE BODY CYLINDER HEAD ........................39 ENGINE BODY GEAR CASE .......................... 51 ENGINE BODY CYLINDER BLOCK .......................
Page 30 2 - ISEKI THREE-CYLINDER DIESEL ENGINE INTRODUCTION This manual has been prepared to provide informa- Be sure to follow the instructions mentioned in this tion concerning the servicing and overhaul of the fol- manual when servicing the engines in a workshop. lowing ISEKI engines, assuming that trained mechan- Values necessary for servicing the engines are men- ics perform this work at workshops outfitted with...
Page 31 This as a preview PDF file from best-manuals.com Download full PDF manual at best-manuals.com...

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