Komatsu PW130ES-6K Operation & Maintenance Manual page 217

SERVICE PROCEDURE
Fuel injection pump is replaced.
❍
High pressure fuel line connections are loosened or fuel
❍
lines replaced.
Initial engine start up or start up after an extended period
❍
of no engine operation.
Vehicle fuel tank has been run until empty.
❍
Low Pressure Lines and Fuel Filter(s)
Venting
1. Open the bleed screw
2. Operate the plunger on the lift pump until the fuel flowing from
the fitting is free of air.
Tighten the bleed screw.
Torque Value: 9 N•m
When using the starting motor to vent the system, do not
engage it for more than 30 seconds at a time:
Wait two (2) minutes between engagements.
It is necessary to put the engine in the "Run" position. Be-
cause the engine may start, be sure to follow all the safety
precautions. Use the normal engine starting procedure.
216
CAUTION
WARNING
MAINTENANCE.