BAR 1764793 - Caterpillar

You must read and understand the warnings and instructions contained in the Safety section of this manual before performing any operation or maintenance procedures.Transmission and Differential Oil
Change the Oil
Operate the engine long enough to warm the oil. The machine must be level. Lower the blade with slight down pressure.Engage the parking brake. Stop the engine. 1. Remove the drain plugs for the differential and transmission case and drain the oil into a suitable container.2. Change the filter element and clean the screens. See the topic Transmission Oil Filter under Every 500 Service Hours or 3 Months.3. Clean and install the drain plugs for the differential and transmission case drain plugs. If machine is equipped with side covers and access doors, open the right engine access door. 4. Fill the transmission with oil through the fill tube. See the Lubricant Viscosities and Refill Capacities chart. 5. Remove the transmission breather. Install a new transmission breather.6. Close the access door.7. Start and run the engine at low idle. Inspect for leaks.8. Engage the transmission modulation pedal and slowly operate the transmission control lever to circulate the oil. 9. Maintain the oil level between the marks on dipstick at LOW IDLE. Add the oil through fill tube if necessary.10. Stop the engine. If machine is equipped with side covers and access doors, close the right engine access door.Rollover Protective Structure (ROPS) (If Equipped)
Inspect
1. Remove the access covers. 2. Inspect the retaining pins. Inspect the keeper bolt. Replace damaged bolts or missing bolts with original equipment parts only.3. Install the access covers.4. Inspect for any loose or damaged bolts. Replace damaged bolts or missing bolts with original equipment parts only. Tighten the rear bolts to a torque of 475 60 N m (350 45 lb ft). Tighten the front bolts to a torque of 270 40 N m (200 30 lb ft). Apply oil to all ROPS bolt threads before installing. Failure to apply oil can result in improper bolt torque.5. Replace ROPS mounting supports if the ROPS rattles or makes a noise when the machine is operated on a rough surface.Do not straighten or repair by welding reinforcement plates to the ROPS.Contact your Caterpillar dealer for repair of cracks in welds, castings or any metal section on the ROPS.