Every 500,000 mi / 800,000 km / 5 years..........................................................................................207
Every 750,000 mi / 1,200,000 km/ 24,000 Hours / 8 years...............................................................207
Lubricants..........................................................................................................................................208
Checking Oil Level............................................................................................................................ 209
Air System.........................................................................................................................................210
Dual Air System Function Test..........................................................................................................212
Air Dryer Maintenance...................................................................................................................... 212
Air Tanks........................................................................................................................................... 214
Air Gauges and Air Leaks................................................................................................................. 214
Air Compressor................................................................................................................................. 216
Brake System....................................................................................................................................217
Cab Maintenance..............................................................................................................................219
Cab Structure, Doors and Hoods......................................................................................................224
Cooling System Maintenance........................................................................................................... 224
Safety Restraint System - Inspection................................................................................................230
Windshield Wiper/Washer.................................................................................................................233
Electrical System...............................................................................................................................233
Engine Maintenance......................................................................................................................... 243
Fuel System...................................................................................................................................... 248
MAINTENANCE -
Y53-6076-1D1 (09/20) 167
5