Service Manual

HGM-H i
TABLE OF CONTENTS
Foreword ............................... . . . .1
Description and Operation ................. . . . .2
Introduction ............................. . . . .2
General Description ......................... 2
External Features ........................ . . . .4
Technical Specifications ...................... 5
Product Identification ........................ 5
Safety .................................... 6
Personal Safety .......................... . . . .6
Tool Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Work Area Safety ........................ . . . .6
Troubleshooting .......................... . . . .7
Work Area Safety ........................ . . . .8
Service and Maintenance .................. . . . .8
External Maintenance ..................... . . . .8
Service and Maintenance Procedures ........ . . . .8
Fluids .................................. . . . .8
Fluid Volume and Level .................... . . . .8
Fluid Change Procedure ................... . . . .8
Purge Procedure ......................... . . . .9
Tear Down and Reassembly ................ . . .10
How to Use This Manual ................... . . .10
General Instructions ...................... . . .10
Tools .................................. . . .11
Torques ................................ . . . 11
Hydraulic Motor Removal .................. . . .12
Axle Hub Assembly ....................... . . .13
Brake Arm Assembly ...................... . . .14
Side Housing ............................ . . .15
Axle Shaft and Planetary Gear Set ........... . . .16
Bearing and Motor Block Cap ............... . . .17
Motor Block ............................. . . .18
Motor Shaft and Brake Disc ................ . . .19
Brake Shaft and Cam ..................... . . .20
Screw Tightening Sequence ................ . . .21
Sealant Path ............................ . . .21
Castle Nut Alternate Torque Method .......... . . .22
Assembly After a Complete Teardown ........ . . .23
Drive Motor Exploded View ................. . . .24
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Glossary of Terms . . . . . . . . . . . . . . . . . . . . . . . . 26-27
Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28-29