Lubricate Door Hinge; Check Door Latch; Check Door Lock Striker - Komatsu D155A-6 Operation & Maintenance Manual

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MAINTENANCE
SERVICE PROCEDURE

LUBRICATE DOOR HINGE

If the door makes a squeaking noise when it is opened or closed,
spray lubricant in through the split in the hinge bushing.
If the bushing is worn, replace the hinge.

CHECK DOOR LATCH

WARNING
It is quite dangerous if the machine suddenly starts to move during the
inspection work. Stop the engine and operate the parking brake lever to the
LOCK (L) position without fail.
Check
Hold the door open-locked, and check that there is still grease
inside the latch. If the amount of grease is low or there is no more
grease, coat the inside of the latch with grease from portion (1).
REMARK
If there is no more grease inside the latch, the movement will become poor because of dust inside the latch, and the
handle may be stiff when opening the door.

CHECK DOOR LOCK STRIKER

If wear (A) of the door of lock striker exceeds 0.5 mm (0.02 in),
replace the striker. If it is used as it is, the play will increase and this
may result in breakage of the hinge or door lock.
4 - 46

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