Proper inflation pressure varies with the contents of work, etc. See “HANDLE TIRE (3-255)”.
METHOD FOR CHECKING WINDOW WASHER FLUID SPOUTING OUT
Operate the window washer and check that the washer fluid spouts out normally.
• If the fluid does not spout out normally, clean the washer nozzle hole with a fine wire such as a safety pin.
• If the condition does not become normal, ask your Komatsu distributor to perform inspection and repair.
METHOD FOR CHECKING WIPER FUNCTION
Operate the wiper in the “Intermittent”, “Low”, and “High” mode and check that it operates and wipes normally.
• Operate the window washer to wet the glass, and check the operation of the windshield wiper.
• If the wiper does not wipe normally, the glass needs to be cleaned or the wiper blade needs to be replaced.
• If the condition does not become normal, ask your Komatsu distributor to perform inspection and repair.
METHOD FOR CHECKING MACHINE MONITOR
1.
Turn the starting switch to ON position (B).
2.
Check that all the monitors and gauges and centralized
warning lamp light up for approximately 2 seconds and the
alarm buzzer sounds for approximately 2 seconds.
Check that the engine tachometer swings.
If the lamps do not light up, there may be a failure in the
machine monitor or wire breakage. Ask your Komatsu dis-
tributor for inspection.
METHOD FOR CHECKING HORN
Operate the horn switch and check that the horn sounds.
If there is any abnormality, ask your KOMATSU distributor for testing and repair.
METHOD FOR CHECKING DEFROSTER FUNCTION
• Operate the air conditioner and check that the air flows out of the vents properly onto the front glass.
If there is any abnormality, ask your KOMATSU distributor for testing and repair.
• Operate the rear heated wire glass switch and check that the rear glass surface is heated properly.
If there is any abnormality, ask your KOMATSU distributor for testing and repair.
METHOD FOR CHECKING LOCKS
Check that all places can be locked properly.
(For the locations of the locks, see “LOCK (3-246)”.)
If there is any abnormality, ask your KOMATSU distributor for checking and repair.
METHOD FOR CHECKING ALTERNATE EXIT OF CAB
Operate the open knob for alternate exit of cab, and check that the exit opens and closes properly.
If there is any abnormality, ask your KOMATSU distributor for testing and repair.
MACHINE OPERATIONS AND CONTROLS OPERATION
3-180
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