Drive Belt Inspection

Cummins diesel engine drive belt

Visually inspect the belt. Check the belt for intersecting cracks. Transverse (across the belt width) cracks are acceptable. Longitudinal (direction of belt length) cracks that intersect with transverse cracks are not acceptable. Replace the belt if it is frayed or has pieces of material missing.

Belt Replacement 

3/8 Inch Square Drive, 13 mm

Remove the drive belt.  Lift the tensioner to remove and install the belt.

 NOTE: After the tensioner has been raised to remove/ install the belt, check the torque of the tensioner capscrew.

Torque Value:   43 N•m [32 ft-Ib]