Komatsu PC130-6K 2001 User Manual

2-103
PC130/150LGP-6K ENG
16. TRO UBLESHOOTING
16.7 OTHER TROUBLE
16.7.1 ELECTRICAL SYSTEM
• ( ): Always contact your Komatsu distributor when dealing with these items.
• In cases of abnormalities or causes which are not listed below, please contact your Komatsu distributor for
repairs.
Problem
Lamp does not glow brightly even
when the engine runs at high
speed
Lamp flickers while engine is
running
Charge level monitor does not go
out even when engine is running
Abnormal noise is generated from
alternator
Starting motor does not turn when
starting switch is turned to ON
Pinion of starting motor keeps
going in and out
Starting motor turns engine slug-
gishly
Starting motor disengages before
engine starts
Pre-heating monitor does not light
Oil pressure monitor does not light
up when engine is stopped (start-
ing switch is at ON position)
Outside of electrical heater is not
warm when touched by hand
Main causes
• Defective wiring
• Defective adjustment of fan
belt tension
• Defective alternator
• Defective wiring
• Defective alternator
• Defective wiring
• Insufficient battery charge
• Insufficient battery charge
• Insufficient battery charge
• Defective starting motor
• Defective wiring
• Insufficient battery charge
• Defective wiring
• Defective heater relay
• Defective monitor
• Defective monitor
• Defective caution lamp switch
• Defective wiring
• Disconnectionin electric heater
• Defective operation of heater
relay switch
Remedy
(• Check, repair loose terminals,
disconnections)
• Adjust fan belt tension
For details, see EVERY 1000
HOURS SERVICE
(• Replace)
(• Check, repair)
(• Replace)
(• Check, repair)
• Charge
• Charge
• Charge
(• Replace)
(• Check, repair)
• Charge
(• Check, repair)
(• Replace)
(• Replace)
(• Replace)
(• Replace)
(• Check, repari)
(• Replace)
(• Replace)

Komatsu PC130-6K 2001 Specifications

General

Brand	Komatsu
Model	PC130-6K 2001
Category	Excavators
Language	English