EVERY 2000 HOURS SERVICE Remove front and rear oil filler plugs (I), then remove drain plugs (2) to drain the oil. Remove drain plug (3) to drain the oil. After draining, tighten up it. 4. After draining the oil, clean drain plugs (21, (3) and (41, then install them. 5. Add oil to the specified level through the oil filler ports (I) and (5) of the axle housing and left and right final drives. 6. Check the oil level and ensure that is correct. (Refer to WHEN REQUIRED.) Stop the machine so that drain plug (4) of the final drive is at the bottom. Remove oil filler plug (5) and drain plug (41, and fit the tube of attached tool in hole of plug (4) and drain the oil. - 98 - W-04308