MAINTENANCE AFTER THE FIRST 50 OPERATING HOURS 26.6 FRONT AND REAR AXLE, CHANGING OIL Frequent contact between used hydraulic oil and skin may cause skin lesions and other physical damage! Wear rubber gloves when changing the oil. Thoroughly wash off any hydraulic oil adhering to your skin. There is danger of severe accidents, if you perform main- tenance work at a machine that has not been parked and secured correctly! Park the machine on a solid, even surface and secure it, before you start to perform maintenance work. Before you start maintenance work, park and secure the ma- chine as described in the chapter "22.1 Preparing the Machine for Maintenance".
26.6.1 PLANET GEAR 1 - Move the machine until the check drill hole (1) of the planet gear at the wheel that you want to check is in its bottom po- sition. 2 - Put the oil trough under the oil discharge hole. 3 - Unscrew the screw plug (1) and let the oil flow off. 4 - Turn the wheel to bring the drill hole of the planet gear into horizontal position. 5 - Top up the planet gear with oil, until the oil reaches up to the bottom edge of the check drill hole. 6 - Clean the screw plug and replace the gaskets. 7 - Re-tighten firmly the screw plug. 8 - Change the oil in the planet gear for the other wheel as de- scribed under the points 3 through 7.
75_228 26.6.2 DIFFERENTIAL 1 - Unscrew the screw plugs (1) and (2) at the front axle and let the oil flow off. 2 - Clean the screw plugs and replace the gaskets. 3 - Re-tighten firmly the screw plug. 4 - Top up with oil, until the oil reaches up to the bottom edge of the check drill hole of screw plug (2). 5 - Re-tighten firmly the screw plug (2). 6 - Unscrew the screw plugs (4) and (5) at the rear axle and let the oil flow off. Then, proceed as described under points 2 through 5 in the section dealing with the front axle. 2 3 75_229 154