Service Manual

TABLEOFCONTENTS
TOC-1WPM Drive Systems Manual
1-SafetyInformation
General Information ..................................................................................................................................... 1-2
Think Safety First......................................................................................................................................... 1-2
2-WormDriveTransmission
GENERAL .................................................................................................................................................. 2-2
INTERNALLY CLUTCHED .......................................................................................................................... 2-2
Description ............................................................................................................................................ 2-2
Lubrication ............................................................................................................................................ 2-3
The Shifting Process ............................................................................................................................. 2-3
Removal & Installation (front wheel drive applications) ........................................................................ 2-4
Disassembly .......................................................................................................................................... 2-5
Assembly .............................................................................................................................................. 2-8
Controls ............................................................................................................................................... 2-10
Adjustment .......................................................................................................................................... 2-10
CONSTANT MESH .....................................................................................................................................2-11
Description ...........................................................................................................................................2-11
Removal and Installation ..................................................................................................................... 2-12
Controls ............................................................................................................................................... 2-13
WHEEL CLUTCH ...................................................................................................................................... 2-13
3-SingleSpeedSpur/BevelGearTransmission
GEAR CASE ASSEMBLY ............................................................................................................................ 3-2
Description ............................................................................................................................................ 3-3
Lubrication ............................................................................................................................................ 3-3
Transmission Removal and Replacement ............................................................................................ 3-3
Transmission Internal Repair ................................................................................................................ 3-4
Assembly .............................................................................................................................................. 3-6
4-SingleSpeedBevelGearTransmission
EXPLODED VIEW - SINGLE SPEED BEVEL GEAR TRANSMISSION ..................................................... 4-2
GENERAL INFORMATION .......................................................................................................................... 4-3
FRONT AXLE AND TRANSMISSION ASSEMBLY ...................................................................................... 4-4
22” FRONT WHEEL DRIVE MODELS ........................................................................................................ 4-5
Remove Transmission .......................................................................................................................... 4-5
Transmission Disassembly ................................................................................................................... 4-7
Transmission Assembly ........................................................................................................................ 4-7
Assembly Tips ....................................................................................................................................... 4-8
Belt Service - Front Wheel Drive Models .............................................................................................. 4-9
22” TORO & LAWN-BOY REAR WHEEL DRIVE MODELS ...................................................................... 4-10
Transmission Removal and Belt Replacement ................................................................................... 4-10
Rear Axle Disassembly ....................................................................................................................... 4-15
Transmission Disassembly ................................................................................................................. 4-16
Transmission Assembly ...................................................................................................................... 4-16
Axle Assembly Tips ............................................................................................................................. 4-17