Replace Fuel Feed Pump Pre-Filter - Komatsu PC15MRX-1 Operation And Maintenance Manual

MAINTENANCE

REPLACE FUEL FEED PUMP PRE-FILTER

Do not replace the pre-filter just after stopping the engine, since each part is still hot. Wait until each
part has cooled down.
After replacing the pre-filter, connect the fuel hoses securely ao that fuel will not leak.
Do not bring fire or spark near the pre-filter.
Prepare a container to catch the fuel.
1. Set the container to catch the fuel under the pre-filter (1).
2. Set the fuel control lever to the low idling position.
3. Remove pre-filter (1) from the clamp (2).
4. Loosen clamp (3) and remove fuel hose (4) from pre-filter
(1).
5. Loosen clamp (5) and remove fuel hose (6) from pre-filter
(1).
6. Connect fuel hoses (4) and (6) of new pre-filter (1), then
secure them with clamps (3) and (5).
7. Install pre-filter (1) to clamp (2).
8. After replacing the pre-filter, bleed air. For the air bleeding
procedure, see "REPLACE FUEL FILTER ELEMENT
(PAGE 4-48)".
WARNING
MAINTENANCE PROCEDURE
4-51