TM 55-1930-209-14&P-21
3-10. Fan drive belt. Adjust the diesel engine fan drive belts, figure 3- 5.
a.
Loosen bolts in fan support bracket.
b.
Loosen adjusting bolt.
c.
Adjust fan support bracket to obtain 3/8 to 1/2 in. deflection midway between fan pulley hub and crankshaft
pulley.
d.
Tighten fan support bracket bolts and adjusting bolt.
NOTE
Always replace fan belts as a set.
Figure 3-5. Fan Drive Belt Adjustment.
3-14
