Navistar WorkStar Series User Manual

Maintenance Intervals And Specifications
Lubrication and Maintenance Interval — Recommended Synchronized Intervals (cont.)
System Item Intervals Special Interval (3) : miles (km) / hours / months
Air Wet Tank – Drain Water A, B
Service Brakes Operation – Check A, B
Parking Brakes Operation – Check A, B
Governor Cut-in/Cut-out Pressure – Check A, B
Low Air Pressure Warning Alarm – Check A, B
Air Tanks (all) – Drain Water A, B
S-Cam Bushings – Lubricate A, B
Shoes – Check for wear and drag A, B
Drums, Chambers, Hoses, etc. – Check for wear/damage A, B
Brake Chamber Rod Travel – Check A, B
Air Dryer Desiccant-Replace AD-IP: 1 year; AD-9: 2 Years
Air Dryer Heater & Purge Valve – Check AD-IP: 1 year; AD-9: 2 Years
Air Brakes
Air Compressor Discharge Line – Check Blockage 50,000 miles (80,000 km)/1,500/24
Coolant – Check Level A, B
Radiator & CAC Fins – Check for Blockage A, B
FanClutch–Check A,B
Fan Blade/Shroud – Check Damage/Contact A, B
Coolant Filter (if equipped) – Replace B
Cooling
System
Extended Life Coolant – Replace Refer to Engine Operation and Maintenance Manual.
208 3879634R1

Navistar WorkStar Series Specifications

General

Brand	Navistar
Model	WorkStar Series
Category	Trucks
Language	English