Komatsu H70051 Series Operation & Maintenance Manual page 388

MAINTENANCE PROCEDURE
The element can be installed only when its claws (11) are
correctly inserted in grooves (12) of the filter body. Bases
(13) and (14) are oval. When inserting, take extreme care
so that those bases are matched with each other.
Align the position of ◇ mark (15) on the case with that of ◇
6.
mark (10) of the filter body label, then install the case to
the filter body.
The case can be installed only when its claws (16) are cor-
rectly inserted in grooves (12) of the filter body. When in-
serting, take extreme care so that the protrusion (17) in the
case is joined together with the rubber lip (18) of the ele-
ment.
7.
Fit the ring (5) to the threaded part of the body and tighten
it with hands firmly until it stops.
8.
Tighten the ring 1/15 to 2/15 turns further (1 to 2 ridges of
the ring) by using the special wrench.
If the engine is operated with the ring tightened insufficient-
ly, oil and blowby gas may leak.
9.
Install the bolt (1) which has been removed in the step 1,
and restore the KCCV drain hose.
Check the KCCV hose for leakage, crack, and loose clamp, and replace it if necessary.
4-76
MAINTENANCE