Less than 20% Idle Time - 75,000 mi / 120,000 km / 2,250 hrs / 12 mo (1 yr)
3
Drive Belts
• Refer to Engine Belt Checks on page 88 for maintenance instructions.
• Refer to Fan Belt Tensioner (If So Equipped) on page 88 for maintenance instructions.
Engine Lubrication
• Refer to Engine Lubrication and Filter Intervals on page 57 for maintenance instructions.
Fuel System
• Refer to Fuel Filter on page 77 - Replace
4
Less than 20% Idle Time - 150,000
mi / 240,000 km / 4,500 hrs / 24 mo
(2 yrs)
Less than 20% Idle Time - 150,000 mi / 240,000 km / 4,500 hrs / 24 mo (2 yrs)
5
Cooling System
• Refer to Radiator Hoses on page 84 for maintenance instructions.
Crankshaft
• Refer to Crankshaft - Vibration Damper on page 96 for maintenance instructions.
3
Ensure that all maintenance intervals leading up to this point are repeated during this interval prior to the completion of
those listed here.
4
Use of poor quality fuel may require more frequent fuel filter element service.
5
Ensure that all maintenance intervals leading up to this point are repeated during this interval prior to the completion of
those listed here.
ENGINE MAINTENANCE - Normal Duty/Line Haul
36 Y53-1166-1M1 (10/2020)
2
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