ARMY TM 9-6115-642-24
AIR FORCE TO 35C2-3-455-12
MARINE CORPS TM 09247A/09248A-24/2
2-75.2
a.
b.
c.
d.
e.
f.
g.
h.
2-75.3
a.
b.
c.
d.
e.
f.
2-75.4
a.
b.
c.
d.
e.
f.
g.-
h.
Removal.
Shut down generator set.
Open both engine access doors and disconnect negative battery cable.
Remove bolts (2, FIGURE 2-20), washers (3), and right side fan guard (4).
Remove bolts (13), nuts (14), and shroud halves (15).
Loosen alternator mounting hardware, (1 and 4, FIGURE 2-5), to relieve tension from fan belt (33, FIGURE 2-20).
Move alternator until fan belt (33) can slip over alternator pulley.
Remove fan belt (33) from crankshaft pulley and water pump pulley.
WARNING
Fan is not sharp, but can still cause personal injury.
Slip fan belt (33) between cooling fan (32) and radiator (12).
Installation.
Slip fan belt (33, FIGURE 2-20) between cooling fan (32) and radiator (12).
Install fan belt (33) onto water pump pulley, crankshaft pulley, and alternator pulley.
Adjust fan belt (33), paragraph 2-75.4, steps e and f.
Install right side fan guard (4) with bolts (2) and nuts (3).
Install shroud halves(15) with bolts (13) and nuts (14).
Connect negative battery cable and close access doors.
Shut down generator set.
Open both engine access doors and disconnect negative battery cable.
Remove bolts (2, FIGURE 2-20), washers (3), and right side fan guard (4).
Secure alternator and loosen alternator mounting hardware, (1 and 4, FIGURE 2-5) to relieve tension on fan
belt (33, FIGURE 2-20).
NOTE
Fan belt must not be hot when checking or adjusting tension. Belt tension specified is
for a warm belt.
Adjust fan belt tension by moving alternator until there is 3/4 in. (1.68 cm) deflection with 20 lb (89 N) force
halfway between pulleys.
Tighten alternator mounting hardware, (4 and 1, FIGURE 2-5) while maintaining tension.
Install right side fan guard (4, FIGURE 2-20) with bolts (2) and nuts (3).
Connect negative battery cable and close access doors.
2-103
Adjustment.
