Komatsu ecot3 GD655-5 User Manual

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OPERATION
TROUBLESHOOTING
OTHER TROUBLE
ELECTRICAL SYSTEM
( ): Always contact your Komatsu distributor when dealing with these items.
In cases of problems or causes which are not listed below, contact your Komatsu distributor for repairs.
Problem Main causes Remedy
Lamp does not glow brightly even
when the engine runs at high speed
Defective wiring ( Check, repair loose terminals,
disconnection)
Lamp flickers while engine is
running
Battery charge circuit caution lamp
do not go out even when engine is
running
Defective monitor
Defective alternator
Defective wiring
Burnout of the slow blow fuse
(
Replace)
(
Replace)
(
Check, repair)
(
Check, replace)
Abnormal noise is generated from
alternator
Defective alternator ( Replace)
Starting motor does not turn when
starting switch is turned to ON
Defective wiring
Insufficient battery charge
Defective starting motor
(
Check, repair)
Charge
(
Replace)
Pinion of starting motor keeps
going in and out
Insufficient battery charge Charge
Starting motor turns engine
sluggishly
Insufficient battery charge
Defective starting motor
Charge
(
Replace)
Starting motor disengages before
engine starts
Defective wiring
Insufficient battery charge
(
Check, repair)
Charge
Engine preheating pilot ramp does
not goes out
Defective wiring
Defective monitor
(
Check, repair)
(
Replace)
Battery charge circuit caution lamp
does not light up while engine is
stopped (with starting switch at ON
position)
Defective monitor
Defective wiring
(
Replace)
(
Check, repair)
Outside of electrical intake air
heater is not warm when touched
by hand
Defective wiring
Disconnection in electrical intake
air heater
Defective operation of heater
relay switch intake air heater
(
Check, repair)
(
Replace)
(
Replace heater relay switch)
Creaks come out from the
accelerator pedal
Running out of grease in the
roller portion
Greasing
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Komatsu ecot3 GD655-5 Specifications

General

Brand	Komatsu
Model	ecot3 GD655-5
Category	Construction Equipment
Language	English