Method For Replacing Def Filter - Komatsu D85EX-18 Operation & Maintenance Manual

MAINTENANCE
Align the position of ◇ mark (8) on the case with that of ◇
5.
mark (11) of the filter body label, then install the case to
the filter body.
The element can be installed only when its claw (12) and
claw (13) of the case are correctly inserted in groove (14)
of the body. Bases (15) and (16) are oval. Take extreme
care so that those bases are matched with each other.
6.
Fit ring (3) to the threaded part of the body and tighten it
with the hand firmly until it stops.
7.
By using the special wrench, further tighten the ring 1/15 to
2/15 turns (1 to 2 ridges of the ring).
If the engine is operated with the ring tightened insufficient-
ly, oil and blowby gas may leak.
8.
Check the KCCV hose for leakage, crack, and loose
clamp.
Replace as necessary.

METHOD FOR REPLACING DEF FILTER

Just after the engine stops, all parts are still very hot, so do not replace the filter immediately. Wait for
all of parts to cool down before starting the work.
k k
WARNING
MAINTENANCE PROCEDURE
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