Maintenance - Section 4 OM4006.1 06/98 Page 4-6 Lubrication and Service 250 HOURS SERVICE (continued) 4. ALTERNATOR BELT - Check condition of the 24V alternator belt for evidence of belt slippage, loose- ness or physical defects. 5. AIR CONDITIONER COMPRESSOR BELT - Check for condition of belt and proper tension. 6. TRANSMISSION CASE BREATHERS - Remove breathers, disassemble breathers re- move filter element, clean in solvent. Dry with air pressure and reassemble then reinstall. 7. HYDRAULIC TANK BREATHERS - Remove breathers, disassemble breathers re- move filter element. Replace filter element, reassemble and reinstall. 8. DIFFERENTIAL CASE - Check oil level. Use lube key ‘‘B’’. 9.
DIFFERENTIAL CASE BREATHER - Remove breather. Wash to flush out the dirt from inside. Reinstall after cleaning. 10. FINAL DRIVE CASE - Check oil level in R.H. and L.H. case. Use lube key ‘‘B’’. 11. DRIVE SHAFT - Inspect drive shafts for any abnor- malities: loose joints, worn splines or bearings, unusual vibration of shaft. Refer to shop manual, Section ‘‘C’’, Engine and Cooling System. Notify the proper maintenance personnel, if any discrepancies are found. 12. PARKING BRAKE - Measure brake pad for proper wear and thickness. Refer to shop manual, Section ‘‘J’’, Brake System, for limits and specifications. Use lube key ‘‘D’’ chart. 13.
FUEL FILTER - Remove and replace two fuel filter elements. 14. CORROSION RESISTOR - Remove and replace four corrosion resistor elements. COMMENTS √’d INITIALS