MAINTENANCE 4.14 EVERY 3000 OPERATING HOURS HOWEVER AT LEAST ONCE A YEAR BRAKE HOUSINGS - CHANGE OIL See illustration Z 20316, View -C- The brakes must be released for changing the oil. 1. Place wedges at front and rear side of both crawlers. 2. Start the engine and lower the bucket onto the ground. 3. Have a second person for control in the operator’s cab. 4. Change the oil. Remove parts (12 to 14) and drain the oil. Install plug (14) and fill in fresh engine or hydraulic oil up to level openings (12). Install plugs (12 and 13). 5. Change oil in all four brake housings. 6. Shut down the engine.
NOTICE Be sure to fill the brake housings and motor adapter hous- ings with engine oil or hydraulic oil as specified on page 285. MOTOR ADAPTER HOUSINGS - CHANGE OIL 1. Remove plugs (15 to 17) and drain the oil completely. 2. Install drain plug (17) and fill-up engine or hydraulic oil to level openings (15). Install plugs (15 and 16). 461 CAUTION