Doosan P185WJD, Operation & Maintenance Manual

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Trouble Shooting Operating & Maintenance Manual
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Table 7: Alternator Lamp Stays On:
Table 8: Alternator Lamp Stays Off:
Table 9: Unit Fails To Shutdown:
Table 10: Excessive Compressor Oil Temperature:
Complaint Corrective Action
Low Battery Voltage Check electrolyte level. Add if necessary.
Loose or Broken Belts Tighten or replace belt set.
Check connectors. Clean & tighten.
Recharge battery.
Malfunctioning Alternator Repair or replace alternator.
Shorted wire (ground) Repair short.
Complaint Corrective Action
Bulb Burned Out Replace circuit board.
Loose Wire Connection Repair or replace connector.
Malfunctioning circuit board Replace circuit board.
Complaint Corrective Action
Defective Low Fuel Shutdown Switch Pull wire off shutdown solenoid. Replace switch.
Defective Discharge Air Temperature Switch Pull wire off. Replace switch.
Defective Sep. Temp. Switch Replace switch.
Defective Engine Temp. Switch Replace switch.
Defective Engine Oil Pressure Switch Pull wire off. Replace switch.
Defective Shutdown Solenoid Carefully block air inlet to stop engine.
Malfunctioning Relay Replace relay.
Defective Start Switch Pull wire off shutdown solenoid. Replace defective
item.
Wire Shorted Hot Repair short.
Complaint Corrective Action
Dirty Cooler Clean exterior surfaces.
Low Oil Level Add oil. Look for any leaks.
Clogged Oil Filter Elements Replace elements. Change oil.
Operating Pressure Too High Reduce pressure to spec.
Dirty Operating Conditions Move unit to cleaner environment.
Ambient Temp. > 125°F (52°C) Above spec limit.
Out of Level > 15 degrees Relocate or reposition unit.
Wrong Lube Oil Check spec in this manual.
Recirculation Of Cooling Air Close side doors. Replace belly pan.
Malfunctioning Thermostat Replace thermostat in bypass valve.
Loose or Broken Belts Tighten or replace belt set.
Defective Oil Cooler Relief Valve Replace valve.