operators_manual

Table Of Contents

Component Specific Intervals

Driveshafts - Models SPL-140XL/170XL/ 250XL slip members and U-joints (OFF HIGHWAY and CITY)

• Inspect. U-joint inspections should be performed every time a vehicle comes in for scheduled maintenance.

Aftertreatment System - Diesel particulate filter

• Clean filter. Refer to the Engine Maintenance Manual.

Aftertreatment System - Diesel exhaust fluid supply module

• Replace filter. Refer to the Engine Maintenance Manual.

Air - Air dryer (ON HIGHWAY)

• 360,000 miles/576,000 km (Refer to Air Dryer Maintenance on page 234 for maintenance instructions.)

Air - Air Dryer (Oil- Coalescing Desiccant Cartridge)

• Annually regardless of mileage. (Refer to Air Dryer Maintenance on page 234 for maintenance instructions.)

Engine - Basic Engine Maintenance and service interval recommendations are detailed in the engine manufacturer’s Operations and

Maintenance Manual included with the vehicle. The engine manufacturer’s recommendations vary depending engine model.

Information is also available from authorized dealers, the engine manufacturer’s authorized service centers, and the engine

manufacturer’s web site.

Safety - Three-point Safety Belt System

• Inspect. 20,000 miles/32,000km If the vehicle is exposed to severe environmental or working conditions, more frequent

inspections may be necessary. (Refer to Safety Restraint System - Inspection on page 247 for maintenance instructions.)

Ensure that all maintenance intervals leading up to this point are repeated during this interval prior to the completion of

those listed here.

MAINTENANCE - Component Specific Intervals

202 Y53-6126-1A1 (01/21)