Komatsu D375A-8, Operation & Maintenance Manual

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1) After the fuel feed pump stops automatically (the lamp goes out), turn the fuel feed pump switch (3) to
ON position again.
2) Check that the lamp (4) has gone out.
5.
Start the engine.
6.
If the engine does not start, start the engine again according to the following procedure.
1) Tilt the fuel feed pump switch (3) to ON position.
2) Start the engine while the fuel feed pump is in operation. If the engine still cannot be started, repeat the
steps 1) and 2) after a lapse of 2 minutes.
3) After the engine starts, run it for approximately 5 minutes to bleed all the air from the fuel circuit.
4) Engine starts normally.
If the engine does not start, the air may not be bled completely. Repeat the operations of steps 1 to 4
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 2 minutes or so, and then try to start the engine again.
METHOD FOR LUBRICATING
1.
Lower the work equipment to the ground.
2.
Stop the engine.
3.
Remove the cover under the monitor and control panel.
4.
By using a grease pump, pump in grease through the
grease fitting shown by arrow.
(Fuel control (2 places), brake pedal (2 places))
5.
After greasing, wipe off any old grease that is pushed out.
Method for lubricating universal joint (2 places)
k k
WARNING
The undercover is a heavy object. Do not open or close the
cover just under it. When removing the bolts (2), stand at
the rear of just under the cover so that you can escape at
any time.
6.
Remove the inspection cover (3) of the undercover at the
rear of the machine bottom according to the following pro-
cedure.
1) Remove the bolts (1) (2 pieces) on the front side of
the machine.
2) While holding down the cover (3), gradually remove
the bolts (2) (2 pieces) on the rear side of the ma-
chine.
MAINTENANCE PROCEDURE MAINTENANCE
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