SERVICE PROCEDURE MAINTENANCE
4-56
13. Check the hydraulic oil level and add oil to the specified level. For details, see “CHECK OIL LEVEL IN
HYDRAULIC TANK, ADD OIL (4-41)“.
14. Next, raise the engine speed and follow the procedure in Step 12 to bleed the air. Repeat this process until no
more air comes out.
15. After completing the air bleed operation, install cover (1) and (2).
REPLACE HYDRAULIC TANK BREATHER ELEMENT 4
WARNING
q The parts and oil are at high temperature after the engine is stopped, and may cause burns. Wait for
the temperature to go down before starting the work.
q When removing the oil filler cap, turn it slowly to release the internal pressure, then remove it.
1. Remove cover (1).
2. Loosen bolt (2) at the top of the filler cap, then remove cap
cover (3).
3. Remove element (4).
4. Coat O-ring (5) of the new element with grease, then
install.
5. Align cap cover (3) with the grooves in the body, then
tighten with bolt (2).
6. Install cover (1).
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