Cleaning The Fresh-Air Filter Inserts; Lubrication - Komatsu WA270-3H Operation & Maintenance Manual

Wheel loader
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CLEANING THE FRESH-AIR FILTER INSERTS

CAUTION
Whirled up dust particles may hurt the eyes! Always wear
protective goggles if you are cleaning the filter inserts with
compressed air.
Dangerous dust particles may irritate the lung! Always wear
a protective mask if you are cleaning the filter inserts with
compressed air.
Switch off the air-conditioning system before cleaning the filter
inserts.
1.
Loosen the screws (1) and remove the cover (2).
2.
Mark the outside of the filter.
3.
Loosen the wing nut, remove the support rail and remove the three
filter inserts.
4.
Blow out the interior of the filter inserts using compressed air
(pressure max. 7 bar). Then, blow-clean the external surfaces.
Finally clean the interior of the filter inserts again.
5.
Re-insert the filters with the markings pointing to the outside.
6.
Replace the cover.

LUBRICATION

DANGER
Severe accidents may happen, if you perform maintenance
operations on machines which are not properly parked and
secured!
Park the machine on firm and level ground and secure it, before
starting maintenance operations.
1.
Park and secure the machine as described in chapter "Preparing
the Machine for Maintenance", before performing maintenance
measures.
2.
Clean the grease nipples which are indicated by arrows.
3.
Apply sufficient grease using a grease gun.
Rear axle bolts
4.
Remove old grease which is pressed out of the bearing.
NOTE
The lubrication is to be performed in shorter intervals, when you
are working frequently in humid conditions or in a salty environment.
MAINTENANCE EVERY 100 OPERATING HOURS
(2 points)
3-27

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