OM4064 06/11 Maintenance - Section 40 Lubrication and Service Page 40-13 500 HOUR LUBRICATION AND MAINTENANCE CHECKS (Continued) 11. 12. 13 14 Complete the 10, 50, 100, and 250 hour lubrication and maintenance checks. Truck Serial Number Site Unit Number Date ______________________ _______________ _______________ Hourmeter Name of Service Technician _____________ ___________________________________ TASK COMMENTS CHECKED INITIALS WHEEL MOTOR OIL (Initial 500 hours only) - Change or filter wheel motor gear oil only after initial 500 hours or operation. Wheel motor gear oil must be filtered or changed every 2500 hours of operation thereafter.
FRONT BRAKE DISC - Measure the thickness of the disc. If 20 to 25% of the disc wear surface is worn below 28.7 (1.13 in.), the disc must be replaced. Refer to the shop manual, Parking Brake, Section J, for additional information. FRONT WHEELS - Take an oil sample of the front wheel bearing oil. Refer to the Shop Manual, Section G, for detailed instructions. FRAME AND AXLE BOX INSPECTION - Wash the truck, clean all of the weld joints, and visually inspect the entire frame and axle box for cracking or damage.