Maintenance Guidelines
5
Component
Maintenance Task
Recommended Preventative
Maintenance Interval
A B
C
D E F
G
H
Crankshaft Vibration
Damper – Check:
• Inspect for cracks, nicks, leakage
• Check fastener torque
•
Drive Belts
Belts – Check/Correct:
• Condition, signs of wear/ deterioration
• Alignment
•
Fan Belt
Tensioner – Check/Correct:
• Mounting bolt torque
• Tensioner maintains proper belt tension
•
Poly-v Belts
– Replace
•
Engine Lubrication
– Line Haul
Filters and Oil – Change:
• Oil lters
• Oil, less than 20% idle time – every 60,000 mi (96,000 km)
• Oil, greater than 20% idle time – every 40,000 mi (64,000 km)
•
Engine Lubrication
– Severe Duty
Filters and Oil – Change:
• Oil lters
• Oil, every 25,000 mi (40,000 km; 800 hours or 12 months)
•
Fuel System • Fuel Filter, Canister and Spin–on Type – Replace
•
Mounting Bolts
Engine Mounting Bolts – Visual check
•
Valves
– Initial
Service
Valve Clearance:
• Inspect and adjust if necessary
• Valve cover gasket seal – Replace
(Next required service interval: D)
•
Valves
Valve Clearance:
• Adjust
• Valve cover gasket seal – Replace
•
5-10
To Next Page
