. MAINTENANCE SERVICE PROCEDURE CHANGE OIL IN HYDRAULIC TANK, REPLACE HYDRAULIC FILTER ELEMENT WARNING engine is stopped, and may cause burns. Wait for the 4 - 59 EVERY 2000 HOURS SERVICE Maintenance for ever y 50, 100, 250, 500 and 1000 hours service should be carried out at th The temperature to go do wn before starting the work. When r emoving the o il filler cap, turn it slowly to relea se the internal Refill c apacity: 173 liters (45.71 US 1. Remove mounting bolts (2) of cov er (1) at the t op of the tank, then remove the cover. 2. Lowe r the bucket horizontally to t he ground an d apply the parking brake, then stop the e 3. Remove oil filler c 4.
Set a container to catch the oil un der drain plug 5. Remove drain plu 6. Open drain valve (4) gradually an d drain the oil After draining the plug (3). Tightening torque Drain plug (3): 68. 6 ± 9.8 Nm (7.0 ± 1.0 kgm, 5 0.6 ± 7.2 lbft) Drain valve (4): 63 .7 ± 14.7 Nm (6. 5 ± 1.5 kgm, 4 7.0 ± 10.8 lbft)