Other Trouble - Komatsu PC210LC-6K Operation & Maintenance Manual

16.6

OTHER TROUBLE

16.6.1 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 height speed
Lamp flickers while engine is running
Charge level monitor does not go out
even when engine is running
Abnormal noise is generated from al-
ternator
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
sluggishly
Starting motor disengages before en-
gine starts
Pre-heating monitor does not light
Oil pressure monitor does not light up
when engine is stopped (starting
switch 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
• Disconnection in electric heater
• Defective operation of heater
switch
16. TROUBLESHOOTING
Remedy
• (Check, repair loose
disconnections)
• Adjust fan belt tension For details, see
"EVERY 250 HOURS SERVICE"
(• Replace)
(• Check, repair)
(• Replace)
(• Check, repair)
• Charge
• Charge
• Charge
(• Replace)
(• Check, repair)
• Charge
(• Check, repair)
(• Replace)
(• Replace)
(•Replace)
(•Replace)
(• Check, repair)
(• Replace)
(• Replace)
terminals,
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