Threaded-Adjustment Type
cen mm 01.02.000
- Apply the parking brakes, and chock the tires to prevent the vehicle from moving.
- Install a belt tension gauge at the center of the belt's
longest free-span. Check belt tension. See Table. for belt tension
specifications.
Table 1, Drive Belt Tension
Drive Belt Tension
Engine
Component
Belt Tension: lbf (kg)
Caterpillar C10 (3176)
Refrigerant Compressor
80 to 100 (36 to 45)
Caterpillar 3406E
Alternator and Refrigerant Compressor
40 to 50 (18 to 23), per belt
Fan
80 to 100 (36 to 45)
Cummins M11
Alternator
90 to 120 (41 to 55)
Fan
155 to 165 (70 to 75)
Refrigerant Compressor
80 to 100 (36 to 45)
Cummins N14
Alternator
40 to 50 (18 to 23), per belt
Fan
80 to 120 (36 to 55)
Refrigerant Compressor
80 to 100 (36 to 45)
Detroit Diesel Series 60
Alternator and Refrigerant Compressor
80 to 100 (36 to 45), Power Band
Fan
60 to 80 (27 to 36)
Table 1, Drive Belt Tension
- If belt tension is not correct, see of the Century Class Trucks Workshop Manual.
Note: