7-48
CLEANING AND REPLACING FILTER
Always stop the engine before servicing.
Open the door, loosen the wing bolt and remove
the recirculation plenum assembly.
Pressurized air 2kgf/cm below
2
1)
ö
(1)
Clean the recircular plenum assy using a
pressurized air (Below 2
kgf/cm
2
, 28
psi
).
When using pressurized air, be sure to wear
safety glasses.
Inspect the filter after cleaning. If it is damaged
or badly contaminated, use a new filter.
(2)
(3)
110D9MI58
110D9MI50
When using the air conditioner for a long time,
open the window once every one hour.
Be careful not to overcool the cab.
The cab is properly cooled if the operator feels
cool when entering there from outside (About
5°C lower than the outside temperature).
When cooling, change air occasionally.
CHECK DURING SEASON
Ask the service center for replenishment of
refrigerant or other maintenance service so that
the cooling performance is not damaged.
CHECK DURING OFF-SEASON
Operate the air conditioner 2 or 3 times a month
(Each for a few minutes) to avoid loss of oil film in
the compressor.
PRECAUTIONS FOR USING AIR CONDITIONER
(1)
(2)
(3)
(4)
2)
3)
4)
9. AIR CONDITIONER AND HEATER
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