Doosan NHP10-425WCU-EU-FX-T3, Руководство по эксплуатации и обслуживанию

Страница: 65 / 88

Fault Finding Operating & Maintenance Manual
61
Loose Wire Connection. Repair or replace.
5. Alternator Low Volltage: Corrective Action
Loose or Broken Belts Tighten or replace belt set.
Loose Wire Connection Repair or replace connection.
Low Battery Voltage Check electrolyte level. Add if necessary.
Check connectors. Clean & tighten.
Recharge battery.
Malfunctioning Alternator Repair or replace alternator.
6. High Compressor Oil Temperature:
Ambient Temp. > 115° F Above spec limit.
Out of Level > 5 degrees Relocate or reposition unit.
Low Oil Level Add oil. Look for any leaks.
Wrong Lube Oil Check spec in this manual.
Dirty Cooler Clean exterior surfaces.
Dirty Operating Conditions Move unit to cleaner environment.
Clogged Oil Filter Elements Replace elements. Change oil.
Loose or Broken Belts Tighten or replace belt set.
Operating Pressure Too High Reduce pressure to spec.
Recirculation Of Cooling Air Close side doors. Replace belly pan.
Malfunctioning Thermostat Replace thermostat in bypass valve.
Malfunctioning Fan Check fan belt tension. Tighten or replace belt set.
Defective Oil Cooler Relief Valve Replace valve.
Defective Minimum Pressure Valve Repair or replace valve.
Blocked or Restricted Oil Lines Clean by flushing or replace.
Airend Malfunctioning See Complaint 11, 12, 13, 15, 16 or 18.
7. Low Compressor Oil Pressure:
Low Oil Level Add Oil. Check for leaks.
Wrong Lube Oil Check spec in manual.
Clogged Oil Filter Replace element. Change Oil.
Low Relief Valve Setting Adjust pressure relief valve to 43 psi @ 1800 RPM.
8. Engine RPM Down:
Clogged Fuel Filter (primary) Replace primary filter. Replace final filter. Drain tanks. Add
CLEAN fuel.
Operating Pressure Too High Reduce pressure to spec limit.
Dirty Air Filter Clean or replace elements.
Wrong Air Filter Element Install correct element.
Engine Malfunctioning See Trouble Shooting in Engine Manual.
Airend Malfunctioning Refer to Factory.
9. Excessive Vibration:
Rubber Mounts, Loose or Damaged Tighten or replace.
Defective Fan Replace fan.
Drive Coupling Defective Replace coupling.
Engine Malfunctioning See Trouble Shooting in Engine Manual.
Airend Malfunctioning See Complaint 15 and 17.
Engine idle speed too low. See Engine Manual.