Method For Stopping Engine - Komatsu D85EX-18 Operation & Maintenance Manual

MACHINE OPERATIONS AND CONTROLS
11. Operate it under light load until the engine coolant temper-
ature gauge on machine monitor (3) indicates green range
(A) to (C).
(A) to (B): Red range
(A) to (C): Green range
(C) to (D): White range
REMARK
If the power train oil temperature is not sufficiently high, it
takes longer to reach the maximum speed.
12. Check for abnormal exhaust gas color, noise, or vibration.
If any abnormality is found, contact your Komatsu distributor.

METHOD FOR STOPPING ENGINE

Keep away from the exhaust pipe immediately after stopping the engine.
NOTICE
• If the engine is abruptly stopped before it has cooled
down, service life of the engine parts may be reduced.
Do not stop the engine abruptly except in an emergen-
cy.
If the engine overheats, do not stop it suddenly. Run it
at low speed to allow it to cool down gradually, then
stop it.
• If the engine is stopped during Aftertreatment Devices
Regeneration, the components may be damaged. Stop
the regeneration first according to "PROCEDURE FOR
AFTERTREATMENT DEVICES REGENERATION DISA-
BLE SETTING (3-109)", then stop the engine as fol-
lows.
• When the engine is stopped during or just after the af-
tertreatment devices regeneration is finished, the parts
around aftertreatment devices may become high tem-
perature. Take care.
1.
Lower the work equipment to the ground.
2.
Turn fuel control dial (1) to Low idle (MIN) position.
3.
Run the engine at low idle for approximately 5 minutes to
cool down gradually.
3-166
k k
WARNING
OPERATION