Allison Transmission Emergency Vehicle Series

TABLE OF CONTENTS
INTRODUCTION
KEEPINGTHATALLISONADVANTAGE ........................ 7
A BRIEF DESCRIPTION OF THE ALLISON EMERGENCY VEHICLE SERIES
TRANSMISSIONS ...................................... 17
ELECTRONIC CONTROL SYSTEM ........................... 17
TORQUE CONVERTER ................................... 18
PLANETARYGEARSANDCLUTCHES ........................ 19
COOLER CIRCUIT ...................................... 19
RETARDER...........................................20
SHIFT SELECTORS
DESCRIPTION OF AVAILABLE TYPES .........................21
INTRODUCTION ....................................... 22
LEVER SHIFT SELECTOR ................................. 23
PUSHBUTTON SHIFT SELECTOR ............................ 25
RANGE SELECTION .....................................26
DRIVING TIPS
CHECKTRANSLIGHT ................................... 31
DIAGNOSTIC CODES .................................... 32
DIAGNOSTIC CODE DISPLAY PROCEDURE .....................34
ACCELERATOR CONTROL ................................ 36
DOWNSHIFT AND DIRECTION CHANGE INHIBITOR FEATURE ....... 36
USINGTHEENGINETOSLOWTHEVEHICLE ................... 37
USING THE HYDRAULIC RETARDER ......................... 38
RANGE PRESELECTION .................................. 41
COLDWEATHERSTARTS ................................. 41
DRIVING ON SNOW OR ICE ............................... 42
ROCKINGOUT ........................................ 42
HIGHFLUIDTEMPERATURE .............................. 43
PARKINGBRAKE ...................................... 44
TOWING OR PUSHING ...................................44
TURNINGOFFTHEVEHICLE .............................. 45
PRIMARY/SECONDARY SHIFT SCHEDULES .................... 45
CRUISECONTROLOPERATION ............................. 45
POWER TAKEOFF OPERATION
ENGINE-DRIVENPOWERTAKEOFF(PTO) ..................... 47
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