7 MAINTENANCE817.6 Engine Oil ChangeRegular oil changes are necessary to maintain a strong running engine. Terex rec-ommends a normal oil change interval of 250 hours or every six months. Allowthe machine to cool prior to service. Wear safety glasses, safety gloves and anyother items necessary to ensure your safety while performing maintenance orservice.To change engine oil:1. Shut the machine down according to the procedure in section 5.13 andallow the machine to cool before performing this procedure.2. Lower the belly pan beneath the engine to access the oil drain and filter.3. Remove the oil drain plug (item 1, fig. 7.6-1) from the right side of the pan.4. Drain the oil into a suitable catch container.5. Remove engine oil filter. Upon removal, make sure the filter gasket (item 2,fig. 7.6-1) is still present on the filter. If not, remove it from the filter port onthe engine prior to installing the new filter to prevent leaks.6. Apply fresh oil to the new filter gasket surface and install the new filter.7. Tighten the new oil filter to specifications on filter label or box.8. Refill the engine to capacity at the location labeled 3 above with oil asspecified in chapter 3, Technical Data.9. Re-secure the belly pan as found upon removal, and dispose of the used oiland filter according to mandates.7.6-1127.6-23Oil and machine components can be HOT! Allow the machine to coolthoroughly prior to performing maintenance or service to avoid the possi-bility of burns.