Changing the Rear AxleLubricantService Interval: After the first 200 hoursEvery 800 hoursChange the oil initially after the first 200 hours of operationand every 800 hours of operation thereafter.1. Position the machine on a level surface.2. Clean the area around the 3 drain plugs; 1 on each endand 1 in the center (Figure 64).3. Remove the check plugs to ease in draining of the oil.4. Remove the drain plugs and allow the oil to drain intothe pans.g011509Figure 641. Drain plug location5. Clean the area around the drain plug on the bottom ofthe gear box (Figure 65).6. Remove the drain plug from the gear box and allow theoil to drain into a pan. Remove the fill plug to easein draining of the oil.g011558Figure 651. Drain plug7. Add enough oil to bring the level up to the bottomof the check plug holes; refer to Checking the RearAxle Lubricant, and Checking the Rear Axle Gear BoxLubricant.8. Install the plugs.Checking the Rear WheelToe-InService Interval: Every 800 hoursAfter every 800 operating hours or annually, check the rearwheel toe-in.1. Measure the center-to-center distance (at axle height)at the front and rear of the steering tires. The frontmeasurement must be 6 mm (1/4 inch) less than therear measurement.2. To adjust, loosen the clamps at both ends of the tierods.3. Rotate the tie rod end to move the front of the tireinward or outward.4. Tighten the tie rod clamps when the adjustment iscorrect.47