Komatsu WA480-8 Operation & Maintenance Manual page 389

MAINTENANCE
Apply engine oil to the new O-ring.
While matching ◇ marks (7) of the new element with ◇
4.
mark (8) of the body label, insert the element thoroughly
into the end of the body.
The element can be installed only when its claws (9) are
correctly inserted in grooves (10) of the filter body. Bases
(11) and (12) are oval. When inserting, take extreme care
so that those bases are matched with each other.
Align the position of ◇ mark (13) on the case with that of ◇
5.
mark (8) of the filter body label, then install the case to the
filter body.
The case can be installed only when its claws (14) are cor-
rectly inserted in grooves (10) of the filter body. When in-
serting, take extreme care so that protrusion (15) in the
case is joined together with rubber lip (16) of the element.
MAINTENANCE PROCEDURE
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