. MAINTENANCE MAINTENANCE PROCEDURE REPLACE HYDRAULIC OIL FILTER ELEMENT WARNING cause burns. Wait for the NOTICE If the machine is equipped with a operations. For details, see maintenance. 4 - 63 EVERY 1000 HOURS MAI NTENANCE Maintenance for every 100, 25 0 and 500 hours service should be carried out at the sa The parts and oil are at high t emperature immediately after the engine is stopped, and m starting the work. temperature to go down before When removing the oil filler cap , turn it slowly to release the internal pressure, then remove it.
hydraulic breaker, the hydraulic oil wil l deteriorate much fast er than during norma l bucket AINTENANCE INTERVAL FOR HYDRAULIC BREAKER (PAG E 4-16)" when carry ing out 1. Set the work equipment o n the hard and flat ground in the maintenanceposture as sh ground and stop the engine own in the figure, then lower it to the . 2. Remove the cap from oil pressure. filler (F), and release the internal 3. Loosen 6 bolts, then remo ve cover (1). When doing this, the e force of spring (2), so hold the the bolts. nd valve (3), take out element (4). cover may fly out under th cover down when removing 4. After removing spring (2) a Inspect the bottom of the any. Take good care th hydraulic tank.
filter case for dirt, and remove it, if en not to let fall the dirt into the diesel oil. 5. Clean the removed parts in 6. Install the new element in th e place where old element (4) was installed. on top of the element. 7. Set valve (3) and spring (2) 8. Set cover (1) in position, pu sh it down by hand, and install the cover with the mouning bol ts. d install the cover. engine according to "STARTING 9. Screw in the oil filler cap an 10. To bleed the air, start the ENGINE (PAGE 3-79)" an minutes. 11. Stop the engine. d run the engine at low idle for 10 REMARK Wait for at least 5 minutes after stopping the eigine to eliminate bubbles in the oil insid