Every 250 Hours Maintenance; Method For Lubricating Steering Cylinder Pin - Komatsu H75051 Operation & Maintenance Manual

MAINTENANCE PROCEDURE
3.
Loosen the knob (4) and take out the filter (5) to clean it.
4.
Blow dry compressed air (0.2 MPa {2.1 kg/cm
from the inside of the filter along the pleats.
Next, blow along the pleats from the outside, then blow
again from the inside.
Replace the filter with a new one when the dirt clogged to
the filter cannot be removed by air blow, or replace it every
year.
5.
After cleaning, restore the filter (5) again, and close the
cover (3).
At this time, lock it with the starting switch key. Do not forget to remove the starting switch key.
REMARK
If the filter becomes clogged, the air flow will be reduced, and there will be a rumbling sound from the air
conditioner unit.

EVERY 250 HOURS MAINTENANCE

Maintenance for every 50 hours service should be performed at the same time.

METHOD FOR LUBRICATING STEERING CYLINDER PIN

1.
By using a grease pump, pump in grease through the grease fittings shown by arrows.
Pump in grease until new grease (A) comes out through
the gaps on the right and left (or top and bottom) of the lu-
bricated portion.
2.
After greasing, wipe off any old grease that is pushed out.
NOTICE
Shorten the greasing interval than usual in a job site where the machine works for severe opera-
tions, or for continuous operations that last 8 or more hours.
Grease the machine once for every 10 hours until the initial 100 hours are reached.
4-48
2
} or less)
MAINTENANCE