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TABLE OF CONTENTS
INTRODUCTION
The following service instructions have been prepared to provide assembly, disassembly, and maintenance
information for the Gearmatic Model GH30B with FreeFall option. It is suggested that before doing any work on these
units, all assembly and disassembly instructions should be read an understood.
Some illustrations in this manual may show details or attachments that are different from your hoist. Also,
some components have been removed for illustrative purposes.
Continuing product improvement may cause changes in your hoist, which are not included in this manual.
Whenever a question arises regarding your Gearmatic hoist or this manual, please contact Gearmatic Product Sup-
port Department for the latest available information.
Telephone- 1-918-251-8511
08:00-16:30 Central Time Zone, Monday thru Friday
FAX- 1-918-259-1575
www.paccarwinch.com
GENERAL DESCRIPTION ........................................................3
SAFETY RECOMMENDATIONS .............................................4
GENERAL INSTALLATION .....................................................5
WIRE ROPE INSTALLATION ..................................................6
HOIST OPERATION ................................................................7
PREVENTATIVE MAINTENANCE .......................................8-9
OIL REQUIREMENTS ......................................................10-11
HOIST DISASSEMBLY ....................................................12-14
FREEFALL ATTACHMENT SERVICE .............................15-17
BRAKE CYLINDER SERVICE .........................................18-19
CABLE DRUM SERVICE ....................................................20
PRIMARY PLANET CARRIER SERVICE .......................21-22
OUTPUT PLANET CARRIER SERVICE .............................23
HOIST ASSEMBLY ................................................................24
CROSS-SECTION ..............................................................25-26
COMPRESSION TOOLING DIAGRAM .....................................28
METRIC CONVERSION CHART ...........................................30