ARMY TM 9-6115-671-14
AIR FORCE TO 35C2-3-446-32
MARINE CORPS TM 09249A/09246A-14
4-166
(3)
Secure fan (40) and spacer (41) to engine water pump with lockwashers (39) and bolts (38). Torque
bolts to 24 ft-lb (32 Nm).
4.10 .9 Fan Belt
a. Inspection
(1) Shut down generator set, paragraph 2.11.2.
(2) Open BATTERY ACCESS doors (Figure 1-2).
(3) Disconnect negative battery cable.
(4) Open engine compartment access doors (Figures 1-2 and 1-3).
(5) Remove fan guards, paragraph 4.10.3.
(6)
Inspect fan belt (1, Figure 4-24) for fraying, cracks, oil soaking or other damage.
(7)
Replace fan belt that shows any damage or cannot be adjusted for proper tension.
(8)
Install fan guards, paragraph 4.3.10.
(9)
Close engine compartment access doors.
(10) Connect negative battery cable to battery and close BATTERY ACCESS doors.
b. Adjustment.
NOTE
Run engine for 5 minutes if belt is cold. If belt is hot, let cool for 10 to 15 minutes.
(1)
Shut down generator set, paragraph 2.11.2.
(2)
Open BATTERY ACCESS door (Figure 1-2), and disconnect negative battery cable.
(3)
Open engine compartment access doors (Figures 1-2 and 1-3).
(4)
Remove fan guards, paragraph 4.10.3.
(5)
Check fan belt (1, Figure 4-24) for 1/2 inch (1.27 cm) deflection between alternator pulley (2) and
fan pulley (6).
(6)
If fan belt needs adjustment, loosen alternator mounting bolt (4) and nut (5).
CAUTION
Do not pry against alternator rear frame. Failure to comply can cause
damage to alternator or mounting brackets.
(7)
Apply outward pressure to alternator front frame until belt tension is correct.
