1.
Check that “F2” is selected on “F 1 Start at D Position Set-
ting” of user menu of the machine monitor.
2.
Set parking brake switch (1) to “PARKING” position on a
flat ground.
3.
Set the gear shift lever (2) in position D and increase the
engine speed gradually.
If the machine does not move when the engine speed is
increased to 1670 rpm, it is normal.
If any problem is found, ask your Komatsu distributor for
repair.
4.
Decrease the engine speed and set the gear shift lever to
NEUTRAL position (N).
METHOD FOR CHECKING AND CLEANING AUTOMATIC SUSPENSION
(if equipped)
WARNING
Always observe the following.
• One worker must always sit in the operator's seat and
be ready to stop the engine at any time. All workers
must maintain contact with the other workers.
• Set the parking brake switch to “PARKING” position
(A), so that the machine does not move.
• Do not touch the gear shift lever. Always give a signal
to your fellow workers to evacuate them to a safe
place always when it is necessary to operate the dump
levers.
Mud may stick to the link at the muddy working site and the machine movement may become dull. Perform the
inspection and cleaning after the work in such sites.
1.
Loosen the bolt (1), move the inspection cover (2).
You can see the check hole.
MAINTENANCE PROCEDURE MAINTENANCE
4-42
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