Bleed Air From Fuel System; Method For Bleeding Air From Fuel System - Komatsu PC500LC-10R Shop Manual

Hydraulic excavator
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BLEED AIR FROM FUEL SYSTEM

BLEED AIR FROM FUEL SYSTEM
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Place the machine on a level ground, lower the work equipment completely to the ground in a stable
posture, set the lock lever to LOCK position, and then stop the engine.
1: Fuel tank
2: Fuel connector
3: Prefilter
4: Electric fuel primer pump
5: Supply pump
For bleeding air from fuel system to perform troubleshooting, refer to this section.

METHOD FOR BLEEDING AIR FROM FUEL SYSTEM

Bleed air according to this procedure in the following cases.
When the fuel filter has been replaced
When the fuel has run out
When starting the engine for the first time after the fuel piping or supply pump was replaced.
1.
Refill the fuel tank with fuel until the fuel level monitor indicates in blue.
2.
Turn the starting switch to ON position.
30-44
30 TESTING AND ADJUSTING
6: Feed pump
7: Fuel main filter
8: Common rail
9: Injector
10: Pressure limiter valve
PC500LC-10R

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