OM4052 Maintenance - Section 40 Lubrication and Service Page 40-7 250 HOUR LUBRICATION AND MAINTENANCE CHECKS 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Truck Serial Number Site Unit Number Date ______________________ _______________ _______________ Hourmeter Name of Service Technician _____________ ___________________________________ TASK COMMENTS CHECKED INITIALS ENGINE - Refer to the engine operation and mainte- nance manual for the complete specifications regard- ing the engine lube oil specifications. NOTE: If the engine is equipped with the Centinel™ oil system, and/or the Eliminator™ filter system, the engine oil and filter change intervals are extended beyond 250 hours.
Refer to the engine service manual for specific oil and filter change intervals. a. Change the engine oil. Refer to the engine service manual for oil specifications. b. Replace the oil filters. NOTE: When installing the spin-on filter elements, fol- low the instructions, as specified by the filter manu- facturer. The tightening instructions are normally printed on the outside of the filter. DO NOT use a wrench or strap to tighten the filter elements. c. If the truck is equipped with a reserve engine oil tank, change the reserve tank oil filter. d. Check the fan belt tension. Refer to the engine service manual for fan belt adjustment instruc- tions.
HYDRAULIC SYSTEM OIL FILTERS - Change the fil- ter elements after the initial 250 hours, then each 500 hours of operation thereafter. FUEL FILTER - Change the filters. MOTORIZED WHEEL GEAR CASE - Refer to Motor- ized Wheel Maintenance Schedule in Section P of the shop manual. Check the oil level. Use Lube Key C. STEERING LINKAGE - Ensure the steering pin nuts are tightened to 465 ± 46 N·m (343 ± 34 ft lbs). COOLING SYSTEM DCA WATER FILTERS - Change the spin-off filters. Check the cooling system for the proper coolant mixture and add, as required. PUMP DRIVE SHAFT - Add grease to each grease fitting on the drive shaft. Use Lube Key D. FRONT WHEEL BEARINGS - Check the oil level.
Position the fill plug at the 12 o’clock position. The floating ball in the sight gauge must be at its highest position. Add oil as necessary. FUEL TANK - Drain water and sediment. GE PREFILTER BLOWER - Add grease to the grease fitting. Use Lube Key D.