Allison Transmission 3000

TABLE OF CONTENTS
SECTION I INTRODUCTION
1–1 ABOUT THIS MANUAL ............................... 7
SECTION II PREVENTIVE MAINTENANCE
2–1 PERIODIC INSPECTION AND CARE ...................... 20
2–2 IMPORTANCE OF PROPER TRANSMISSION FLUID LEVEL ....... 20
2–3 TRANSMISSION FLUID TEST ...........................21
2–4 KEEPING FLUID CLEAN .............................. 27
2–5FLUIDRECOMMENDATIONS...........................27
2–6 TRANSMISSION FLUID AND FILTER CHANGE INTERVALS ...... 28
2–7 TRANSMISSION FLUID CONTAMINATION ..................32
2–8 TRANSMISSION FLUID AND FILTER CHANGE PROCEDURE ..... 35
2–9 FLUID LEAK DIAGNOSIS ............................. 37
2–10 BREATHER ...................................... 40
2–11 TROUBLESHOOTING ............................... 40
2–12 TRANSMISSION STALL TEST AND NEUTRAL COOL-DOWN
CHECK ......................................... 45
SECTION III REMOVING TRANSMISSION
3–1 DRAINING TRANSMISSION ............................51
3–2 DISCONNECTING CONTROLS .......................... 51
3–3 UNCOUPLING FROM DRIVELINE, ENGINE, AND VEHICLE ...... 52
3–4 REMOVING THE TRANSMISSION ........................53
3–5 REMOVING OUTPUT FLANGE OR YOKE ...................53
SECTION IV TRANSMISSION PREPARATION
4–1 INSPECTING INPUT COMPONENTS ...................... 55
4–2 INSTALLING OUTPUT FLANGE OR YOKE .................. 55
4–3 INSTALLING PTO ...................................56
4–4 INSTALLING FILL TUBE AND SEAL ...................... 57
4–5 INSPECTING PLUGS AND OPENINGS ..................... 58
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