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GPU 18-8 Hydraulic Power Unit
Additional or replacement manuals may be obtained from your Greenlee Fairmont distributor. When tool is received,
complete the following record:
SERIAL NUMBER: ____________________________
DATE OF PURCHASE: ________________________
WHERE PURCHASED: ________________________
Always mention the tool’s serial number when ordering or writing about parts.
For convenience in ordering, parts are listed by part number, description and quantity. If in doubt as to part needed,
send a full description, sketch, or the part itself with the order. Assemblies are in CAPITAL letters, and include all
component parts listed directly below them and indented to the right. When assemblies can be used, order them to
save time assembling individual parts. Prior arrangements must be made before returning a tool for warranty service.
To insure correct and prompt shipment of parts, always provide the following information when ordering:
1. Quantity of each part wanted
4. Serial Number of tool
2. Part number of item
5. Preferred method of shipment: UPS or air freight
3. Description of part
A person who has not read and does not understand all operating instructions is
not qualified to operate this tool.
Failure to read and understand safety instructions may result in injury or death.
Table Of Contents
OPERATION
Safety Information .............................................................................................................................................. 3
Description ......................................................................................................................................................... 4
Identification ....................................................................................................................................................... 5
Specifications - GPU 18-8 Hydraulic Power Unit .............................................................................................. 6
Specifications - Gasoline Engine ....................................................................................................................... 6
Recommended Hydraulic Fluids ........................................................................................................................ 6
Hoses and Fittings ............................................................................................................................................. 6
Hose Connections .............................................................................................................................................. 7
Operation ...................................................................................................................................................... 8-10
Depressurizing Hydraulic System .................................................................................................................... 10
MAINTENANCE
Maintenance Schedule ............................................................................................................................... 10-11
Battery .............................................................................................................................................................. 12
Pneumatic Tires ............................................................................................................................................... 12
Troubleshooting .......................................................................................................................................... 13-15
PARTS
Power Unit .................................................................................................................................................. 16-17
Hydraulic Components and Piping ............................................................................................................. 18-19
Battery and Wiring ........................................................................................................................................... 20
APPENDICES
Appendix A - SAE J1273 May 1986 ........................................................................................................... 21-22