Doosan P185WJD, Operation & Maintenance Manual

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Operating & Maintenance Manual Trouble Shooting
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Table 11: Engine RPM Down
Table 12: Excessive Vibration
Table 13: Low CFM
Defective Minimum Pressure Valve Repair or replace valve.
Malfunctioning Fan Check fan belt tension. Tighten or replace belt set.
Blocked or Restricted Oil Lines Clean by flushing or replace.
Airend Malfunctioning See Tables 11, 12, 13, 15, 16 or 18.
Complaint Corrective Action
Clogged Fuel Filter Clean primary filter. Replace final filter. Drain tanks.
Add CLEAN fuel.
Dirty Air Filter Clean or replace elements.
Operating Pressure Too High Reduce pressure to spec limit.
Incorrect Pressure Regulator Adjustment Adjust regulator.
Incorrect Linkage Adjustment Adjust linkage.
Wrong Air Filter Element Install correct element.
Malfunctioning Pressure Regulator Replace regulator.
Malfunctioning Air Cylinder Replace air cylinder and adjust.
Defective Separator Element Install new element.
Engine Malfunctioning See Trouble Shooting in Engine Section.
Airend Malfunctioning Consult Dealer.
Complaint Corrective Action
Dirty Fuel/Filters Replace filters/fuel.
Engine idle speed too low. Raise “No Load” speed.
Rubber Mounts, Loose or Damaged Tighten or replace.
Anti-rumble valve not working. Repair or Replace.
Drive Coupling Defective Replace coupling.
Defective Fan Replace fan.
Engine Malfunctioning See Trouble Shooting in Engine Section.
Airend Malfunctioning See Table 15 and 17.
Complaint Corrective Action
Engine RPM too Low Adjust RPM
Malfunctioning Air Cylinder Replace air cylinder.
Incorrect Linkage Adjustment Adjust linkage.
Malfunctioning Inlet Unloader Inspect valve.
Dirty Air Filter Clean or replace elements.
Incorrect Pressure Regulator Adjustment Adjust linkage.
Malfunctioning Pressure Regulator Replace regulator.
Wrong Air Filter Element Install correct element.
Defective Separator Element Install new element.
Defective Minimum Pressure Valve Repair or replace valve.