Owners manual

QSB4.5 and QSB6.7 Maintenance Schedule
Section 2 - Maintenance Guidelines Page 2-3
• Coolant Level - Check
• Drive Belts - Check
Maintenance Procedures at 500 Hours or 6 Months
1, 2, 3
Section 5
• Engine Coolant - Antifreeze Check
• Fuel Filter (Spin-On Type) - Change
• Lubricating Oil and Filters - Change
• Radiator Pressure Cap - Check
Maintenance Procedures at 1000 Hours or 1 Year
3
• Cooling Fan Belt Tensioner - Check
• Fan Hub, Belt-Driven - Check
Maintenance Procedures at 2000 Hours or 2 Years
2, 3
• Air Compressor Discharge Line - Check
•
Cooling System - Flush
4
• Vibration Damper, Rubber - Check
• Vibration Damper, Viscous - Check
Maintenance Procedures at 5000 Hours or 4 Years
3
• Overhead Set - Adjust
1 The lubricating oil and lubricating oil filter interval is determined by the sulfur content of the fuel used, the
lubricating oil type used, and the engine rating. See the Oil Drain Intervals in this section.