OP000440
6-2
Troubleshooting
Engine starts, runs only at low
speed or shuts down.
Engine oil viscosity incorrect.
Change oil.
Clogged or dirty fuel injectors.
Clean injectors.
Fuel filters clogged.
Replace filters.
Engine knocks, runs unevenly or
surges.
Low engine oil.
Refill.
Clogged air intake system.
Clean system and replace filter.
Injection pump out of adjustment.
Contact your
DOOSAN
dealer.
Clogged fuel filter.
Replace fuel filter.
Water or dirt in fuel system.
Clean system and add new fuel.
Clogged or dirty fuel injectors.
Clean injectors.
Engine has poor power
Clogged air intake system.
Clean system and replace filter.
Clogged or dirty fuel injectors.
Clean injectors.
Fuel filters clogged.
Replace filters.
Engine speed control cable out of
adjustment.
Readjust.
Injection pump out of adjustment.
Contact your
DOOSAN
dealer.
Valve backlash faulty.
Adjust backlash.
Engine runs hot
Low coolant level.
Add coolant.
Thermostat faulty.
Replace thermostat.
Radiator cap faulty.
Replace radiator cap.
Radiator core plugged.
Clean radiator.
Oil cooler core plugged.
Clean oil cooler.
Fan belt loose or damaged.
Tighten or replace as required.
Temperature sensor faulty.
Replace sensor.
Problem
Cause
Remedy
Summary of Contents for DX190W
Page 2: ......
Page 71: ...OP000528 2 3 Operating Controls ...
Page 128: ...OP000528 Operating Controls 2 60 CD Player Optional AST DIR FG000109 Figure 135 ...
Page 196: ......
Page 292: ...OP000530 Inspection Maintenance and Adjustment 4 96 ...
Page 304: ...OP000440 6 8 Troubleshooting ...