OM4017.1 03/01 Maintenance - Section 4 Lubrication & Service Page 4-9 3. HYDRAULIC PUMP DRIVESHAFT & U-JOINTS - Add one or two applications of grease to each grease fitting. Check that each bearing of the Cross & Bearing assembly is receiving grease. Lube Key “D”. 4. COOLING SYSTEM - a. Check cooling system for proper coolant mixu- ture. Add coolant mixture as required. b. COOLANT FILTERS - Change coolant filters. Refer to engine manufacturer’s maintenance manual for coolant filter replacement instruc- tions and proper coolant mixture instructions. 5.
REAR WHEEL MOUNTING - Using a mirror on a long rod and a flashlight, inspect where possible, all inner and outer wheel mounting nuts/studs for any evidence of looseness, damage, or missing hardware. If wheel mounting nuts/studs must be secured or replaced, the outer wheel must be removed for access. Refer to the Shop manual, Section “G”, for these procedures. 6. REAR AXLE HOUSING - Check the rear axle hous- ing for fluid leaks by removing the two drain plugs on the bottom of the axle housing. If fluid is pre- sent, the cause must be found and corrected be- fore releasing truck to operation. 7. STEERING LINKAGE - Check torque on pin retain- ing nuts (steering linkage), 525 ft.lbs.
(712 N.m) torque. Check torque on tie rod retaining cap- screws, 310 ft.lbs. (420 N.m) torque. 8. MAGNETIC PLUG - Remove magnetic plugs from front hub covers and inspect for debris. Clean the plugs and perform any necessary repairs. * These checks are required only after the first 250 hours of operation (such as: the commissioning of a new truck, or after a new or rebuilt component installation), check: *9. HYDRAULIC SYSTEM FILTERS - Replace filter elements 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”. *10. MOTORIZED WHEEL GEAR CASE - Refer to the G.E.
planned maintenance manual and specific motorized wheel shop manual. COMMENTS √’d INITIALS