For the procedure to bleed air from the brake, see “METHOD FOR BLEEDING AIR FROM BRAKE
CIRCUIT (4-27)”.
NOTICE
• Do not reuse the oil drained when bleeding the air. Doing so will cause damage to the
equipment.
• Be careful not to let the oil level in the brake sub-tank go below the sight gauge (H) during
the air bleeding operation. Doing so will cause damage to the pump.
12.
Bleed air from the brake, and stop the engine.
Stop the engine approximately for 2 to 3 minutes.
13.
Check the oil level in the transmission case.
For the method of checking the oil level, see “METHOD FOR CHECKING OIL LEVEL IN TRANSMISSION
CASE, ADDING OIL (3-141)”.
14.
Check the oil level in the brake sub-tank.
For the method of checking the oil level, see “METHOD FOR CHECKING OIL LEVEL IN BRAKE SUB
TANK, ADDING OIL (3-144)”.
METHOD FOR REPLACING TRANSMISSION AND REAR BRAKE COOLING OIL
FILTER ELEMENT
WARNING
• Immediately after the engine is stopped, its parts and oil are still very hot and may cause burn in-
jury.
Wait for the temperature to go down, and then start the work.
• When removing the oil filler cap, the oil may spurt out. Turn it slowly to release the internal pres-
sure, then remove it carefully.
1.
Stop the engine.
2.
Turn the cap of oil filler port (F) to release the internal pres-
sure before removing the cap.
3.
Remove the bolts (1) (4 pieces) and remove the cover (2).
4.
Remove the O-ring (3), spring (4), valve (5), strainer (6),
and element (7).
5.
Wash the inside of the case, valve (5), and strainer (6).
6.
Prepare a new element. Install the element, strainer, valve,
and spring to the case.
7.
Replace the O-ring with a new one, apply thin film of oil to
it, and install it.
8.
Install the cover (2) with bolts (1) (4 pieces).
Replace the element immediately if the retarder oil temperature gauge indicates the white range, and the brake
cooling oil filter clogging caution lamp (if equipped) lights up while the engine is running.
MAINTENANCE PROCEDURE MAINTENANCE
4-54
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