Belt, Air Intake Piping And Clamps - Navistar MaxxForce DT Operation And Maintenance Manual

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SECTION 5 – MAINTENANCE SCHEDULE AND SERVICE PROCEDURES

BELT, AIR INTAKE PIPING AND CLAMPS

Service Interval: 15,000 miles (24,000 km), 6 months, or 550
hours
Figure 35 Cracks in belt ribs
1.
Belt in good condition
2.
Belt ready for replacement
3.
Belt ribs
4.
Cracks in belt
Inspect condition of all drive belts. For any of the following
conditions install a new belt:
Excessive wear
Missing material
Grease or oil contamination
Over three cracks per inch in a belt rib
Belt Removal
1. Attach a 1/2 inch drive breaker bar to square hole in auto
tensioner.
2. Pull the breaker bar clockwise and remove the belt from
the auto tensioner pulley and other pulleys.
3. Slowly release the breaker bar; the auto tensioner
automatically adjusts.
4. Remove the breaker bar.
Page 73

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