Komatsu WA600-8 Operation & Maintenance Manual page 405

MAINTENANCE
For the machine with rear fender, operate lever (a) downward,
and open cover (b) before the work.
1.
Turn the starting switch to OFF position (A).
2.
Open engine side cover (1) on the right side of machine,
and fix it with the rod and band.
3.
Tilt switch for the fuel feed pump (2) to ON position.
Lamp (3) flashes and the fuel feed pump operates.
After the specified time (approximately 7 minutes), lamp
(3) goes out automatically and the fuel feed pump stops.
When lamp (3) goes out, air bleeding is completed.
4.
If the fuel circuit is empty after the machine stops because
of running out of fuel, or the fuel hose and tubes are serv-
iced, or the supply pump is replaced, perform the following
procedure.
1)
After the fuel feed pump stops automatically (the lamp
goes out), turn fuel feed pump switch (2) to ON position again.
2)
Check that lamp (3) has gone out.
5.
Start the engine.
6.
After the engine starts, run it for approximately 5 minutes to bleed all air from the fuel circuit.
If the engine does not start, all the air may not be bled. Stop the engine, and repeat the operations of steps
3 to 6 again.
NOTICE
Keep away from the engine while it is being started and running.
Do not turn the starting motor continuously for 20 seconds or longer.
If the engine does not start, wait for approximately 2 minutes, and then try to start the engine again.
MAINTENANCE PROCEDURE
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