Check Operation After Completion Of Assembling; Circuit Diagram Of External Power Supply Engine Preheater - Komatsu WA600-8 Operation & Maintenance Manual

ATTACHMENTS AND OPTIONS
The shape, size, and method of setting up the facility can be decided locally, but the specifications should be as
follows.
(1) Output electricity type
Single phase AC
(2) Output voltage
230 V
(3) Power supply volume
6.3 kVA
(4) Main switch
Yes
(5) Electrical leakage breaker
Yes
(6) Ground circuit
Yes

CHECK OPERATION AFTER COMPLETION OF ASSEMBLING

After the external power supply facility has been installed, check it according to the following procedure
1.
Check for leakage of oil and water.
2.
Check for interference of wiring harnesses.
3.
Connect to the external power supply facility, and check that the voltage at each heater connector is ener-
gized in 230 V by using a tester.

CIRCUIT DIAGRAM OF EXTERNAL POWER SUPPLY ENGINE PREHEATER

(1) Cylinder block heater
(2) Engine oil heater
HANDLE EXTERNAL POWER SUPPLY ENGINE PREHEATER
(3) Hydraulic tank heater
(4) Transmission oil pan heater
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