• Wrench (Width across flats: 24 mm)
1.
Loosen bolts (1) (4 pieces) and remove cover (2).
2.
Place a container under the transmission oil filter to catch
the oil.
3.
Remove transmission oil filter plug (3).
4.
Drain the oil, then tighten the plug (3).
5.
Turn transmission oil filter cartridge (4) counterclockwise
by using nut
(5) welded to transmission oil filter cartridge
(4) and remove it.
6.
Clean the filter holder, coat the seal surface and thread of
the new filter cartridge with transmission oil, then install it.
When the seal surface comes into contact with the filter
holder, tighten a further 2/5 turns with the filter wrench.
7.
Check that the oil level is proper. For details, see “METHOD FOR CHECKING OIL LEVEL IN TRANSMIS-
SION CASE, ADDING OIL (4-23)”.
8.
Check the transmission oil filter for oil leakage.
METHOD FOR CLEANING TRANSMISSION BREATHER
1.
Loosen bolts (1) (4 pieces) and remove cover (2).
2.
After removing dirt and dusts around breather, remove
breather (3) and immerse it in detergent liquid to clean.
While the breather
is removed, take care to prevent entry
of dusts through the mounting location of the breather.
METHOD FOR CHECKING ALL TIGHTENING POINTS OF ENGINE INTAKE PIPE
CLAMPS
Ask your Komatsu distributor for checking the tightening of the clamps between the air cleaner - turbocharger -
aftercooler - engine.
MAINTENANCE MAINTENANCE PROCEDURE
4-55
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