Komatsu WB93R-5, Operation & Maintenance Manual

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MAINTENANCE PROCEDURES
215
The filter is positioned on the hydraulic system drain outlet and it
holds the metal particles that come off the various components
due to their wear.
It is positioned on the right side of the machine, under the battery
compartment, and can be reached after opening the door (1). To
change the filter, proceed as follows:
1 - Release the lock and open the door (1).
2 - Loosen the screws (2) and remove the access step (3).
3 - Open the engine hood (see "3.5.1 ENGINE HOOD") and
slowly loosen the filler cap (4) to release any residual pres-
sure.
4 - Remove the cap (5) and gather the oil that flows out (approx.
1/2 litre). Use a 19 mm socket wrench.
5 - Remove the filter housing (6) and collect the residual oil from
the inside (approx. 1 litre).
Use a 42 mm socket wrench.
6 - Remove the cartridge (7) and carefully clean the housing.
7 - Clean the contact surface between the seal and the filter sup-
port.
8 - Install a new cartridge in the filter housing and reassemble
the whole, making sure that the seal is in perfect conditions
and correctly housed in its seat.
9 - Put back the cap (5), the access step (3) and lock the door
(1).
10 - Tighten the filler cap (4) and close the engine hood.
RKAB4210
1
2
3
RKAB4970
6 7
RKAB4230
6
5
RKAB4220
4
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