09/21/2009 f012181
A
B
C
A. New Belt
B. Worn Belt
C. Material loss results in belt riding directly on pulley tips.
Fig. 2, Six-Rib Serpentine Belt (cross section view)
01/19/2012 f012189
1
2
6
4
5
3
1. Front Belt
2. Rear Belt
3. AC Compressor
4. Spring Tensioner
5. Fan Clutch
6. Water Pump
Fig. 3, DD 13/15/16 Drive Belt Routing
01/24/2011 f012192
1
2
3
4
5
6
1. Spring Tensioner
2. Alternator Pulley
3. AC Compressor
4. Fan Clutch
5. Drive Belt
6. Crank Shaft Pulley
Fig. 4, Cummins ISC/ISL Drive Belt Routing
Engine 01
108SD and 114SD Maintenance Manual, September 2015 01/3