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Allison Transmission AT 543 User Manual

Allison Transmission AT 543
52 pages
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MT1321EN
MT4108EN
Mechanic’s Tips
AT 500 and AT 1500
Series Transmissions

Table of Contents

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Allison Transmission AT 543 Specifications

General IconGeneral
BrandAllison Transmission
ModelAT 543
CategoryMicrophone system
LanguageEnglish

Summary

WARNINGS, CAUTIONS, AND NOTES

WARNING

Used when a procedure could result in personal injury or loss of life.

CAUTION

Used when a procedure could result in damage to or destruction of equipment.

SECTION I: PREVENTIVE MAINTENANCE

1-1. PERIODIC INSPECTION AND CARE

Inspect transmission exterior for loose bolts, leaks, linkage, and fluid lines at regular intervals.

1-4. FLUID CHECK PROCEDURE

Details the steps for performing cold and hot fluid checks on the transmission.

1-6. RECOMMENDED AUTOMATIC TRANSMISSION FLUID AND VISCOSITY GRADE

Specifies recommended fluids (DEXRON-III, C-4) and viscosity grades for various applications.

1-7. FLUID AND FILTER CHANGE INTERVALS

Provides a general guide for fluid and filter change frequency based on service.

1-8. FLUID AND FILTER CHANGE PROCEDURE

Outlines the steps for draining, replacing filters, and refilling the transmission fluid.

1-10. AUXILIARY FILTER

Recommends installing an auxiliary filter for debris removal and specifies filter requirements.

1-12. TRANSMISSION STALL TEST AND NEUTRAL COOL-DOWN CHECK

Explains stall test purpose and procedure for diagnosing transmission malfunctions.

SECTION II: REMOVING TRANSMISSION

2-1. DRAINING TRANSMISSION

Details the procedure for draining transmission fluid and examining it for contamination.

2-2. DISCONNECTING CONTROLS

Instructions for disconnecting various control linkages and cables from the transmission.

2-3. UNCOUPLING ENGINE FROM DRIVELINE

Procedures for disconnecting the engine from the driveline and drive cover.

SECTION III: PREPARING TRANSMISSION FOR INSTALLATION

SECTION IV: PREPARING VEHICLE FOR TRANSMISSION INSTALLATION

SECTION V: INSTALLING TRANSMISSION INTO VEHICLE

SECTION VI: CHECKS AND ADJUSTMENT

6-1. INSTALLATION CHECKLIST

Provides a checklist of proper torques for various components during installation.

6-2. ROAD TEST AND VEHICLE OPERATION CHECKLIST

Outlines checks for neutral start, instruments, parking brake, PTO, and governed speed.

SECTION VII: CUSTOMER SERVICE

7-1. OWNER ASSISTANCE

Details procedures for owner assistance and resolving issues with dealers or distributors.

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