operators_manual
Table Of Contents
- Contents
- Engine Operation
- Safety - Introduction
- Emergency - What To Do If
- Operating Instructions
- Engine Maintenance
- Maintenance Requirements
- Maintenance Schedule
- Engine Specifications
- Engine Lubricating Oil Recommendations and Specifications
- Engine Oil Specifications
- Engine Lubrication and Filter Intervals
- Cooling System Maintenance
- Engine Coolant Specifications
- Extended Life Coolant
- Fuel Recommendations
- Warranty and the Use of Biodiesel Fuel
- Recommendations to Avoid Fuel Gelling
- Maintenance Procedures
- Engine Oil Level
- Engine Oil Filter
- Crankcase Ventilation (CCV) Module Maintenance
- Fuel Filter
- Cooling System
- Drive Belts
- Engine Belt Checks
- Fan Belt Tensioner
- Engine Fan
- Poly V-belt and Fan Drive Belt Removal
- Poly V-belt and Fan Drive Belt Installation
- Poly V-belt, Alternator, Air-Conditioning Compressor Drive and Coolant Pump Drive Removal
- Poly V-belt, Alternator, Air-Conditioning Compressor Drive and Coolant Pump Drive Install
- Aftertreatment System
- Air System
- Air Intake System
- Turbocharger
- Exhaust System
- Charging - Cranking System
- Crankshaft - Vibration Damper
- Engine Mounting Bolts
- Engine Valves
- Engine Identification
- Engine Warranty
- Index
Engine Valves
Procedures and maintenance intervals for
initial service and routine maintenance of
valves.
Perform these valve clearance
maintenance procedures according to the
following intervals.
Engine Valve Adjust Intervals
Vehicle Application Interval
Valve Adjust Interval
Normal Duty (Line Haul) - less than 20%
idle time
Initial adjust at 150,000 miles (240,000 km,
6,750 hours), at 450,000 miles (725,000
km, 13,500 hours), then every 300,000
miles (480,000km) thereafter
Normal Duty (Line Haul) - more than 20%
idle time
Severe Duty (Vocational*)
Initial adjust at 60,000 miles (96,000 km,
1,600 hours), at 360,000 miles (576,000
km, 9.600 hours), then every 300,000 miles
(480,000km) thereafter
* Vocational vehicle applications include: Agriculture, Concrete Mixers, Construction, Crane, Dumps, Emergency/Fire, Heavy
Equipment, Loggers, Mining, Oil Field, Refuse, Pick-up & Delivery, Snowplows, and Wrecker
.
1. Inspect and adjust valve clearance
at intial servicing and at scheduled
maintenance (if necessary).
2. Reset valve lash, if needed, to
nominal specifications. See Engine
Specifications on page 37.
3. Replace valve cover gasket seal at
intial servicing and at scheduled
maintenance.
ENGINE MAINTENANCE -
Maintenance Procedures
78 Y53-1181-1K1 (08/2018)
2