Komatsu D375A-8, Operation & Maintenance Manual

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The input side receptacle on the machine is installed inside the side cover on the left side of the ma-
chine.
(1) External power source input cable (2) Power supply
2) Start distributing the power with the power supply switch of the power supply system (main switch) or
the switch for distributing the power if equipped.
• Power distributing time varies with the ambient temperature and type of oil.
• You may start distributing the power soon after stopping the engine on the previous day if the am-
bient temperature is -15 °C or lower, so that the engine is kept warm.
• The following table is a general information. If the climate of your area is unique, find the usage
standard which is well-suited for the area and standardize it for better efficiency.
Ambient temperature Sort of oil Minimum distributing time of power
-30 °C
SAE 10W 2 hours or longer
SAE #30 3 hours or longer
3.
Turn off the power supply switch when the preheating is completed. Remove the cable, and screw the pro-
tection cap into the external power supply input (receptacle) of the machine.
4.
Start up the engine.
HANDLE EXTERNAL POWER SUPPLY ENGINE PREHEATER ATTACHMENTS AND OPTIONS
6-12