Troubleshooting - Greenlee Fairmont HG3505A Instruction Manual

Troubleshooting

PROBLEM
Engine will not start.
No pressure, or insufficient
hydraulic pressure to tool.
Engine stalls when red bypass
valve is pushed in.
Oil leaks from breather/filler
plug.
Greenlee Textron / Subsidiary of Textron Inc.
HG3505A / 42303 Portable Power Unit
PROBABLE CAUSE
Engine out of fuel.
Incorrect starting procedure.
Red bypass valve on reservoir is
pushed down.
Engine air filter or spark plug need
service.
Oil in the engine air filter.
Red bypass valve on reservoir is
pulled up.
Hoses used with unit are too long or
too small internal diameter.
Hydraulic reservoir level low.
Pump damaged or worn.
Internal leakage.
External leakage.
Engine output insufficient.
Throttle set too low, engine needs
tune-up or requires service.
Hydraulic filter requires cleaning.
Hydraulic hoses not connected, or
not connected correctly.
Closed-Center tool is being used.
Prefilled hoses overfilling the system.
13
PROBABLE REMEDY
Fill fuel tank.
See starting procedure.
Pull bypass valve up to start engine.
See engine manufacturer's manual.
Replace air filter.
Push bypass valve down to operate
tool.
See Hoses and Fittings for recom-
mended hose length and diameter.
Fill reservoir. Step 7, Periodic
Maintenance. Check for leakage.
Repair or replace pump.
Remove reservoir, inspect pump
outlet fitting and hose connections
for tightness, inspect O-ring seal on
outlet fitting, repair or replace com-
ponents as necessary.
Locate leakage point. Tighten, replace
or repair components as necessary.
Adjust throttle, tune up engine, or
return engine to authorized Kawasaki
service center.
Drain hydraulic system. Clean filter.
Relieve pressure, make sure proper
hydraulic hose connections are made.
Power unit is Open-Center. Make sure
Open-Center tools are used.
Drain oil from reservoir until oil appears
only in lower 1/4 of sight gauge.
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