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LP 9-20 P
troubleshooting
Problem
Engine turns over but
does not start
Engine does not turn
over or is difficult to turn
Low hydraulic oil level
Poor work tool
performance
Frothy or creamy
coloured hydraulic oil
Work tool runs hot
Power pack stops
suddenly
© 2008 Atlas Copco Construction Tools AB
Cause
No fuel
Fuel line blocked
Ignition switch in OFF position
Low engine oil
Fuel tap in the 0 position
Choke not tripped
Engine malfunction
By-pass valve in the ON position
Engine malfunction
Damaged hoses
Leaking connections
Defective hose couplings
Low pressure relief valve setting
High back pressure
Worn hydraulic pump
Incorrect POD setting
Air or water in oil
Poor siting of power pack causing
warm air to recirculate
Blocked oil cooler
Defective fan
Back pressure too high
Work tool defective
Out of fuel
Low engine oil, tripping oil alert
|
No. 3392 5054 83 e
Safety and operating instructions
Solution
Top up tank
Clear line
Turn switch to ON
Top up
Turn tap to 1
Trip choke
Consult engine manual
Turn valve to OFF
Consult engine manual
Check and replace if necessary
Check for tightness/leaks
Replace couplings
Adjust valve
Check hose system for blockage
Replace pump
Adjust to increase engine speed
Check for loose connections on line to
pump
Make sure that the filler cap on the tank is
not loose
Check that oil level is at the top of the
sight glass
Resite power pack for free air circulation
Blow cooler clean. NEVER use a wire
brush
Replace fan
Check hose system
Check and service work tool
Top up tank
Add engine oil
|
2008-06-30
15
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