EVERY 2000 HOURS SERVICE * Maintenance for every 50, 100, 250, 500 and 1000 hours should be carried out at the same time. EVERY 2000 HOURS SERVICE a. HYDRAULIC TANK AND FILTER 1. Lower the bucket horizontally to the ground and apply the parking brake, then stop the engine. 2. Remove the cap of oil filler (F) A t After loosing drain valve (21, pull it out slowly to drain oil. 5. Remove spring (6) and bypass valve (7), then remove element (8). Check that there is no foreign matter inside the tank before cleaning it. Install a new element, then install bypass valve (71, spring (61, and cover (4). If the O-ring of the cover is dam- aged or deteriorated, replace it with a new part. 4.
Remove mounting bolt (5) of the filter cover (41, then remove cover (4). A The cover is pushed by a spring, so hold the cover when removing the bolts. and air vent plug (1) on filter case. When removing the cap, turn it slowly to relieve inner * 6. pressure. 3. Remove drain plug (3) and loosen drain valve (2) to drain oil. After draining off the oil tighten up them. - 96 - ww -02085