OM4064 06/11 Maintenance - Section 40 Lubrication and Service Page 40-11 250 HOUR LUBRICATION AND MAINTENANCE CHECKS (Continued) 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. Complete the 10, 50, and 100 hour lubrication and maintenance checks. Truck Serial Number Site Unit Number Date ______________________ _______________ _______________ Hourmeter Name of Service Technician _____________ ___________________________________ TASK COMMENTS CHECKED INITIALS HYDRAULIC PUMP DRIVESHAFT & U-JOINTS - Add one or two applications of grease to each grease fitting. Non - moly grease only. Check that each bear- ing of the cross & bearing assembly is receiving grease.
Replace bearings if any wear is detected. Use Lube Key “D”. CAB AIR FILTERS - Under normal operating condi- tions, clean the cab filter and the HVAC recircultion fil- ter every 250 hours. In extremely dusty conditions, service as frequently as required. Clean the filter ele- ment with mild soap and water. Rinse completely clean and air dry with a maximum of 275 kPa (40 psi). Reinstall the filter. 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”. GREASE RESERVOIR - Add grease to the in-frame grease reservoir. Use Lube Key “D”.
HYDRAULIC SYSTEM FILTERS - Replace filter ele- ments only after the initial 250 hours of operation; then at each 500 hours of operation thereafter. Check oil level. Add oil as necessary. Lube Key “B”. BODY-UP & HOIST LIMIT SWITCHES - Check oper- ation of the switches. Clean the sensing areas of any dirt accumulation and inspect the wiring for any signs of damage. GE PREFILTER BLOWER (IF EQUIPPED) - Add grease to the grease fitting. Use Lube Key “D”. AC DRIVE BELT - Check the belt for wear or damage. Verify the belt tension is correctly set. Ensure the pulleys are aligned with each other within 3 mm (0.13 in.).
AUTOMATIC LUBE SYSTEM - Perform 250 hour checks as outlined in Automatic Lubrication System, Section 42, in this manual. FRONT WHEELS - 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. Remove and inspect magnetic plug for contamination, if equipped. Lube key “E”. DUMP BODY PADS - Check the pads, shims, and mounting hardware for wear and proper tightening