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MAINTENANCE
SERVICE PROCEDURE
ADJUSTING RUBBER STOPPER FOR AFTERCOOLER
If aftercooler (1) moves even when it is locked, adjust rubber stopper (2) as follows.
1.
Push the bottom of aftercooler (1) to lock it securely.
2. Loosen locknut (3) of rubber stopper (2).
3.
Adjust the height of rubber stopper (2) so that aftercooler (1)
does not move.
REMARK
Push rubber stopper (2) to adjust so that it contacts aftercooler (1).
4.
Tighten locknut (3).
5.
There is one rubber stopper (2) each on the left and right, so repeat Steps 1 - 4 to adjust the rubber stopper on
the opposite side.
6. After adjusting the rubber stopper on the left and right, push the bottom of aftercooler (1) and check that it does
not move.
AFTERCOOLER TILT SWITCH
(If equipped)
For machines with the optional equipment, Step 2 of the method for
tilting and swinging the cooler can be used to tilt the aftercooler
electrically.
Press aftercooler switch on the left side of the engine room to tilt
the aftercooler electrically approx. 17 degrees; press (b) to return
the aftercooler to its original position.
CHECK ELECTRICAL INTAKE AIR HEATER
Before the start of the cold season (once a year), contact your Komatsu distributor to have the electrical intake air
heater repaired or checked for dirt or disconnections.
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