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Mahindra JINMA-254 - User Manual

Mahindra JINMA-254
73 pages
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JINMA SERIES TRACTOR
OPERATION MANUAL
JINMA-200
JINMA-204
JINMA-250
JINMA-254
JINMA-300A
JINMA-304A
MAHINDRA YUEDA
(YANCHENG) TRACTOR CO.,LTD
.

Questions and Answers

Mahindra JINMA-254 Specifications

General IconGeneral
Engine TypeDiesel
Engine Power25 hp
Cylinders3
Drive4WD
Transmission8 Forward + 2 Reverse

Summary

Preface

Precautions

Chapter I Main Specifications

Chapter II Operating the Tractor

Fuel and Lubricating Oil

Details on fuel and oil types, and cautions for filling.

Water

Instructions for filling radiator with clean soft water.

Running-in of Unused Tractor

Procedures and checks for initial tractor operation.

Controls and Instruments

Identification and function of tractor controls and gauges.

Tractor Operation and Control

Steps for starting, operating, and stopping the tractor.

Stopping the Tractor

Procedures for safely shutting down the tractor.

Safety Regulations for Operation

Essential safety rules for tractor operation.

Chapter III Technical Maintenance of the Tractor

PTO Control and Operation

How to engage and disengage the Power Take-Off (PTO).

Hydraulic Hitch System Control

Operation of the hydraulic hitch system for implements.

Using the Differential Lock

Procedure for engaging the differential lock when wheels slip.

Electrical Equipment Usage

How to use the tractor's electrical systems for starting and lighting.

Shift Maintenance

Routine checks and cleaning performed after each shift.

First Class Maintenance

Maintenance tasks performed every 50 hours of operation.

Second Class Maintenance

Maintenance tasks performed every 250 hours of operation.

Third Class Maintenance

Maintenance tasks performed every 500 hours of operation.

Fourth Class Maintenance

Maintenance tasks performed every 1000 hours of operation.

Winter Maintenance

Special maintenance procedures for cold weather operation.

Long-Term Storage Maintenance

Procedures for storing the tractor for extended periods.

Chapter IV Adjustment of Tractor

Clutch Adjustment

How to adjust dual and single stage clutches for proper engagement.

Main Drive Adjustment

Adjusting preload and mesh of the main drive bevel gears.

Differential Lock Adjustment

Adjusting the differential lock mechanism for proper function.

Brake Adjustment

Procedures for adjusting block and disc brakes for safety.

Front Axle Adjustment

Adjusting front wheel bearings and toe-in for proper alignment.

Front Drive Axle Adjustment

Adjusting main drive and side reduction gear pairs.

Side Reduction Gear Pair Adjustment

Adjusting the mesh backlash of side reduction gear pairs.

Intermediate Driven Gear Pair Adjustment

Adjusting mesh backlash for intermediate driven gears.

Wheel Tread Adjustment

Adjusting front and rear wheel tread for different conditions.

Steering Gear Adjustment

Adjusting crankpin, circulating ball, and hydraulic steering systems.

Hydraulic Hitch System Construction & Adjustment

Working principles and adjustments for the hydraulic hitch system.

Lifter Adjustment

Adjusting the lifting and lowering positions and speed of the lifter.

Air Brake Device of Trailer Use & Adjustment

Operation and adjustment of the trailer's air brake system.

V. Main Troubles of Tractors and Trouble Shooting

Engine Troubles and Remedies

Troubleshooting common engine issues like power loss and smoking.

Transmission System Troubles

Addressing clutch slippage, gear shifting issues, and gearbox noise.

Steering Gear and Walking System Troubles

Diagnosing and fixing difficult steering and wheel oscillation.

Hydraulic Hitch System Troubles

Troubleshooting implements not lifting/lowering or falling too fast.

Trailer Air Brake System Troubles

Resolving issues with air pressure, brake force, and brake release.

7. Electrical System

Starter Issues and Remedies

Troubleshooting why the starter might not run or engage.

Generator Issues and Remedies

Diagnosing why the generator fails to produce current or has low output.

Battery Issues and Maintenance

Common battery problems and their solutions.

Chapter VI Appendix

Electrical System Wiring Diagram

Visual representation of the tractor's electrical system connections.

Accessories for Customers

List of optional accessories available for purchase.

Rolling Bearing Distribution Diagram

Diagram showing the placement of rolling bearings in the transmission.

Oil Seal Specifications

Specifications and locations of oil seals used in the tractor chassis.

Hitch System Sizes

Table of dimensional data for the hitch system.

OECD Approval Numbers

Official approval numbers for tractor models.

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