OM4016 08/07 Maintenance - Section 4 Lubrication and Service Page 4-11 500 HOUR SERVICE In addition to the 250 hour lubrication and inspection schedule, perform the following: Truck Serial Number ________________________ Site Unit Number ____________________________ Date: __________ Hour Meter _________________ Name of Service Person ______________________ 1. FAN BELT - Check for alignment, condition of belt, and proper tension. Refer to Section "C", Engine and Cooling System. 2. RADIATOR FINS - Inspect radiator and Air-to-Air aftercooler for restrictions. If debris or dirt is present, reduced cooling efficiency (and horsepower) will result. To clean, use low pressure air or water.
DO NOT use high pressure water or air as cooling fins may be damaged. Check mounting hardware and connections for tightness. 3.TRANSMISSION OIL FILTER - Remove and replace filter element. Refer to "Transmission Filter", page 2-19. 4. FRONT DISC BRAKE - Measure disc pad for proper wear and thickness. Refer to Section "J", "Brake Circuit Checkout and Adjustment", for specifi- cations and limits. 5. ENGINE - Refer to the engine manual for oil rec- ommendations and capacity. - change engine oil. - change engine lube oil filters. (Figure 4-1) - Inspect air inlet piping, hoses, tubes and clamps for damage. Check hose clamps for tightness.
Check tube support brackets for damage or loose mounting hardware. 6. FUEL FILTER - Remove and replace two fuel filter elements. (2, Figure 4-2) 7. CORROSION RESISTOR - Remove and replace two corrosion resistor elements. 8. BY-PASS FILTERS - Remove and replace two engine by-pass filter elements. (1, Figure 4-2) FIGURE 4-1. LUBE OIL FILTERS Upper Right Front of Engine FIGURE 4-2. FILTERS - Upper Left Front of Engine 1. Engine Oil By-Pass Filters 2. Fuel Filters COMMENTS CHECKED INITIALS