. MAINTENANCE SERVICE PROCEDURE MAINTENANCE SERVICE PROCEDURE (PAGE 4-41)". REPLACE HYDRAULIC TANK BREATHER ELEMENT WARNING cause burns. Wait for the 4 - 61 19. Next, operate the steering, bucket, and l ift arm cylinde rs fully 3 - 4 times, then sto p the engine and loos en air bleed p lug (14) After bleeding the air from the hydraulic tank, tighten p lug (14) Keep the engine r Check that the hyd unning at low idling w raulic oil is at the stan hen bleeding dard level. Fo the air. r details see "CHECK OIL 21. Next, raise the en gine speed, repeat the air bleeding procedure in S tep 18 , and contin ue the operation u ntil no more air comes o ut from plug (13). ± 0.15 kgm, 8.3 ± 1.1 lbft) 22.
After bleeding the air, tighten plug (14). Tightening torque: 11.3 ± 1.5 Nm (1.15 ± 0.15 kgm, 8 .3 ± 1.1 23. Check that the hyd raulic oil is at the stan dard level. For details, see " CHECK OIL LEVE L IN HYDRAULIC T ANK, ADD OIL (PAGE 4-41)". s no leakage of oil from the filter cover mount. 24. Check that there i s no leakage of oil fro m the filter co ver mount The parts and oil are at high temperature i mmediately after the engine is stopped, and may ork. to release the internal pressure, then remove it. temperature to go do wn before starting the w When removing the o il filler cap, turn it slowly to release the i nternal p ressur e, then r 1.
Remove mounting bolts (2) of cover (1) at the top of t he tank then remove the c over. 2. Before removing t he breather, wipe off all the dirt from around the breather. f oil filler (F). (3) built into the cap. 3. 4. Remove the cap o Remove breather 5. Replace the filter element (4) built into t he breather with a new part, then install b reather (3) to the cap. 6. Tighten the cap of