Greenlee GPU 18-8 Operation, Service And Parts Instruction Manual
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Greenlee GPU 18-8 Operation, Service And Parts Instruction Manual

Greenlee GPU 18-8 Operation, Service And Parts Instruction Manual

Hydraulic power unit 18 hp
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OPERATION, SERVICE AND PARTS
INSTRUCTION MANUAL
HYDRAULIC
POWER UNIT 18 HP
GPU 18-8
Read and understand this material before operating or
servicing this power unit. Failure to understand how to
safely operate this power unit could result in an
accident causing serious injury or death.
999 2008.5 REV 3
6/97

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Summary of Contents for Greenlee GPU 18-8

  • Page 1 OPERATION, SERVICE AND PARTS INSTRUCTION MANUAL HYDRAULIC POWER UNIT 18 HP GPU 18-8 Read and understand this material before operating or servicing this power unit. Failure to understand how to safely operate this power unit could result in an accident causing serious injury or death. 999 2008.5 REV 3 6/97...

  • Page 2: Table Of Contents

    Failure to read and understand safety instructions may result in injury or death. Additional or replacement manuals may be obtained from your Greenlee Fairmont distributor. When tool is received, complete the following record: SERIAL NUMBER: ____________________________...

  • Page 3: Safety Information

    THIS SYMBOL MEANS: ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED. Safety is a critical factor in the design of Greenlee Fairmont equipment. The best program starts with a safety-conscious operator. The information highlighted in this bulletin describes operating practices for the benefit of the workers who will use our equipment in their daily jobs.

  • Page 4: Description

    GPU 18-8 Hydraulic Power Unit • Engine, exhaust system, pump, etc. may be hot. Use caution when working around power unit. Hot surfaces can cause serious burns. • Do not let the power unit engine run unattended. The engine must be monitored so that it can be shut down immediately in case of a malfunction.

  • Page 5: Identification

    GPU 18-8 Hydraulic Power Unit Identification 1. Flow Motor/Tachometer 2. Gasoline Engine 3. Retractable Handles 4. Hydraulic Oil Filter 5. Fuel Fill Cap 6. Hydraulic Reservoir Cap Figure 1 Figure 2 Parts of the GPU 18-8 Hydraulic Power Unit 7. Oil Cooler 8.

  • Page 6: Specifications - Gpu 18-8 Hydraulic Power Unit

    Installation, and Maintenance of Hose and Hose Assemblies. See Appendix A. Failure to observe this warning could result in severe injury or death. Hose assemblies and quick-connect couplers are available from Greenlee Fairmont as accessories. SEE BULLETIN ON GREENLEE FAIRMONT NO-DRIP COUPLERS AND HOSES. CONTACT AUTHORIZED GREENLEE FAIRMONT DISTRIBUTOR.

  • Page 7: Hose Connections

    GPU 18-8 Hydraulic Power Unit Hose Connections Do not disconnect tool, hoses or fittings while the power unit is running or if the hydraulic fluid is hot. Expo- sure to hot hydraulic fluid can cause serious burns. Figure 3 shows the power unit being used with a typical tool.

  • Page 8: Operation

    GPU 18-8 Hydraulic Power Unit Operation Stop engine before filling fuel tank. Do not fill fuel tank when engine is hot. Do not fill fuel tank near an open flame, sparks, or when smoking. Fuel is flammable and explosive and, if ignited, will result in severe injury or death.
  • Page 9 GPU 18-8 Hydraulic Power Unit Operation (cont’d) Position the power unit on firm level ground. Pre-Start 1. Check engine oil level. Refer to engine Operating and Maintenance Instructions for correct oil type and checking instructions. 2. Check fuel level. Refer to engine Operating and Maintenance Instructions for fuel recommendations.

  • Page 10: Depressurizing Hydraulic System

    GPU 18-8 Hydraulic Power Unit Maintenance Depressurizing Hydraulic System Skin Injection Hazard: High pressure oil easily punctures skin causing serious injury, gangrene or death. If injured seek medical help immediately to remove oil. Do not use fingers or hands to check for leaks.
  • Page 11 GPU 18-8 Hydraulic Power Unit Maintenance (cont’d) The service life of the power unit will be maximized by proper care and maintenance. The maintenance schedule below is recommended. Note: Change engine oil after the first 5 hours of operation. Thereafter, change engine oil according to the Maintenance Schedule.

  • Page 12: Battery

    GPU 18-8 Hydraulic Power Unit Maintenance (cont’d) Battery Stop engine when checking battery electrolyte level. Do not check or fill battery electrolyte level near an open flame, sparks, or when smoking. Battery fumes are flammable and explosive, and if ignited will result in severe injury or death.

  • Page 13: Troubleshooting

    GPU 18-8 Hydraulic Power Unit Troubleshooting Before You Begin 1. Any tool used with this power unit must be an Open-Center system type tool. 2. Verify that the pressure and return hoses are connected properly to the power unit and tool ports. 3.
  • Page 14 GPU 18-8 Hydraulic Power Unit Troubleshooting PROBLEM Engine does not turn over. Engine turns over, but does not start. Engine lacks power, runs rough, backfires, etc. Tool used with power unit is inoperative. PROBABLE CAUSE Battery weak or dead. Battery cables corroded. Electrical short, broken wire or loose connection.
  • Page 15 GPU 18-8 Hydraulic Power Unit Troubleshooting PROBLEM Tool used with power unit operates erratically. Tool used with power unit feels hot. Tool used with power unit operates backward. PROBABLE CAUSE Hydraulic fluid cold. Hydraulic fluid level low. Incorrect hydraulic fluid viscosity. Air in system.
  • Page 16 25, 26, 28 25, 26, 28 25, 26, 28 26, 38 40, 41 9, 10, 11 21, 22, 23 18, 19 25, 26 25, 26, 28 4, 5 14, 15, 16 26, 28, 53 28, 52...
  • Page 17 GPU 18-8 Hydraulic Power Unit GPU 18-8 Hydraulic Power Unit CODE DESCRIPTION 155789 Frame ... 1 F024643 GASOLINE ENGINE (Briggs & Stratton) ... 1 FOR4444 Switch, Toggle ... 1 FOR4445 Switch, Push Button ... 1 155825 Adapter, Fan ... 1 F010344 Cap Screw, 5/16 x 1"...

  • Page 18: Hydraulic Components And Piping

    GPU 18-8 Hydraulic Power Unit GPU 18-8 Hydraulic Power Unit Hydraulic Components and Piping 17 21 TO PUMP HYDRAULIC PUMP COOLER USE SILICON SEALER 7,8,9...

  • Page 19: Hydraulic Components And Piping

    GPU 18-8 Hydraulic Power Unit GPU 18-8 Hydraulic Power Unit Hydraulic Components and Piping CODE DESCRIPTION 49129 Hydraulic Reservoir ... 1 F008544 Level Seal Plug, 1/8 M NPT ... 1 F024683 FILTER ... 1 F024680 Replacement Filter Element ... 1 F002355 Cap Screw, 1/4 x 3/4"...

  • Page 20: Battery And Wiring

    GPU 18-8 Hydraulic Power Unit GPU 18-8 Hydraulic Power Unit Battery and Wiring STARTER SWITCH EXISTING CABLE BATTERY CODE DESCRIPTION F024696 12 Volt Battery ... 1 F001684 Carriage Bolt, 1/4 x 1" ... 1 F007022 Hex Nut, 1/4" ... 2 156754 Wire Assembly ...

  • Page 21: Appendix A - Sae J1273 May 1986

    GPU 18-8 Hydraulic Power Unit Appendix A SELECTION, INSTALLATION AND MAINTENANCE OF HOSE AND HOSE ASSEMBLIES - SAE J1273 MAY 1986* SAE RECOMMENDED PRACTICE The following recommendations on selection, installation and maintenance of hose and hose assemblies was established by the S.A.E. in 1979 and reaffirmed May 1986.
  • Page 22 Appendix A (cont’d) 3. INSTALLATION After selection of proper hose, the following factors must be considered by the installer. 3.1 Pre-Installation Inspection - Prior to installation, a careful examination of the hose must be performed. All components must be checked for correct style, size, and length.

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