Method Of Using Automatic Air Bleed Mechanism - Komatsu D65EX-12 Operation & Maintenance Manual

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MAINTENANCE

METHOD OF USING AUTOMATIC AIR BLEED MECHANISM

(If equipped)
When cranking the engine, ensure no one is around the engine, as the engine may start.
NOTICE
When the engine has run out of fuel, turn the starting switch key to the START position and rotate the
starting motor for 15-20 seconds to crank the engine and bleed the air. Repeat this 2-3 times to bleed the
air completely. The time taken to bleed the air is shorter when the fuel tank is full. Do not rotate the starting
motor continuously for more than 20 seconds. Wait for 1-2 minutes before rotating it again.
It is possible to bleed the air from the fuel circuit simply by rotating the starting motor with the starting switch. Bleed
the air as follows;
1.
After replacing the filter cartridge, check that the fuel con-
trol lever is at the low idling position.
2.
Set the brake lock lever to the LOCK position.
3.
Turn the starting switch key to the START position and
rotate the starting motor for 15-20 seconds to crank the
engine and bleed the air.
WARNING
SERVICE PROCEDURE
4-53

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D65px-12

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