Method For Replacing Air Conditioner Fresh/Recirc Air Filters - Komatsu H70051 Series Operation & Maintenance Manual

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MAINTENANCE PROCEDURE
1.
Place a container under drain plug (P) to catch the drained
oil.
2.
Remove front and rear plugs (1), then remove drain plug
(P) to drain the oil.
REMARK
Remove the mud and dirt from around plug (1), then re-
move the plug.
3.
After draining the oil, clean and install drain plug (P).
4.
Add the refill capacity of oil through plug hole (1).
REMARK
Be careful that the amount of the lubricating oil for the axle
with Limited Slip Differential may be different. Always use
the specified lubricating oil.
5.
Wipe off oil of dipstick (G) installed to plug (1) by using a
piece of cloth.
6.
Set dipstick (G) as shown in the figure.
(2): Axle
(3): Spot facing surface
7.
Check the oil level.
The oil level is appropriate if it is between 2 grooves (H)
and (L) of the dipstick.
8.
If the oil does not reach the lower groove (L), supply the
axle oil from oil filler port (F).
9.
If the oil level exceeds the upper groove (H), drain the ex-
cessive oil through the drain plug (P), and then check the
oil level again.
10. If the oil level is appropriate, install plug (1).
Tightening torque: 93 to 123 Nm {9.5 to 12.5 kgm}
REMARK
When the given work requires to use the brake more fre-
quently than usual, replace the axle oil earlier than the
usual timing.

METHOD FOR REPLACING AIR CONDITIONER FRESH/RECIRC AIR FILTERS

Remove both the recirculation air filter and fresh air filter in the same way as in the cleaning procedure, and
replace them with new ones.
4-70
MAINTENANCE

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85001 seriesWa320-8

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