1.
Park the machine on the level and firm
ground, extend the bucket cylinder, retract
the arm cylinder, lower the bucket to the
ground, and place the dozer on the
ground as shown to the right figure, and
then stop the engine.
2.
Open the right side cover and support it
with the stay.
3.
Press the rubber cap of the breather on
the top of the hydraulic oil tank several
times (5 - 7 times) to release the internal
pressure of the hydraulic oil tank.
4.
Remove breather cap (1), and then
remove nut (2).
5.
Turn cover (3) in the counterclockwise
direction, remove the cover, and then
remove element (4).
6.
Install new element (4) and install cover (3)
along the groove.
7.
Be sure to prevent water and dirt from
entering the air intake and exhaust ports
between cover (3) and body (5).
8.
Attach cover (3), and then attach nut (2).
9.
Attach breather cap (1).
10. Remove the stay and return the right side
cover to the specified position.
4.16.2
REPLACING AIR BREATHER ELEMENT
Immediately after operation, the oil is hot and it may result in burns. Wait until the oil temperature
cools down before attempting to change the element.
To avoid the breakage of bolts, do not over-tighten nut (2).
Tightening Torque: 10 to 14 N
・
m (7.3 to 10.3 lbf
・
ft)
To keep the hydraulic oil clean and to extend the service life of hydraulic components, replace the
filter element at regular intervals.
Every 1000 hours replacement is just a guideline. If the machine is operated in very dusty conditions,
replace the oil filter earlier than the specified period.
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4. INSPECTION AND MAINTENANCE
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