Maintenance - Section 4 OM4021.1 8/00 Page 4-6 Lubrication and Service 250 HOUR 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 BREATHER - Remove breather, disassemble breather, remove 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. 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. 12. FUEL FILTER - Remove and replace fuel filter ele- ments. 13. CORROSION RESISTOR - Remove and replace corrosion resistor elements. COMMENTS √’d INITIALS