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OPERATION
FUSIBLE LINK
If the starting motor does not turn when the starting switch is
turned to the START position, there is probably a disconnection
in fusible link (1) or (2). Open the battery box cover on the right
side of the chassis, then check and replace the fusible link.
(1): Fusible link for 24V power supply
(2): Fusible link for 24V permanent power supply
Fusible link (2) is taped to the nearby wiring harness. When
carrying out inspection or replacement, check the wiring har-
ness number.
REMARK
A fusible link refers to the large-sized fuse wiring installed in the high current flow portion of the circuit to protect
electrical components and wiring from burning, in the same way as an ordinary fuse.
CONTROLLER
Controller installed.
NOTICE
q
Be careful not to get water, mud, or juice on the controller. This will cause failure.
q
The engine controller has been given moisture prevention treatment, so there is no problem if rain
gets on it, but do not spray it with water when washing the machine.
q
If any abnormality occurs in the controller, do not disassemble it yourself. Contact your Komatsu dis-
tributor for repairs.
q
Engine controller
Open the front engine hood. It is under the fuel pre-filter.
q
Pump controller
This is on the right side at the rear of the operator's seat.
DETAILED CONTROLS AND GAUGES
3
3
3-107
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