ARMY TM 9-6115-641-24
AIR FORCE TO 35C2-3-456-12
2-14-2. Testing - Continued
e.
Multimeter reading should be between 27.5 and 29.5 VDC.
f.
Shut down generator set.
g.
Battery charging alternator is defective and requires replacement, if reading is other than above
2-14-3. Removal.
a.
b.
C.
d.
e.
f.
g.
h.
i.
j.
Shut down generator set.
Open both engine access doors and disconnect negative battery cable.
Loosen bolts (26, Figure 2-20)) for overflow bottle mounting bracket (29) and move away from fan guard.
Remove bolts (2), washers (3), and right fan guard (4).
Loosen bolt (1, Figure 2-5) nut (4) and move battery charging alternator (9) so fan belt (33, Figure 2-20) can
slip off battery charging alternator pulley and can be removed from crankshaft and water pump pulleys.
Tag and disconnect alternator (9, Figure 2-5) electrical leads.
Remove bolt (1) lockwasher (2), and washer (3).
Remove nut (4), lockwasher (5), washer (6), spacer (7). and bolt (8).
Remove battery charging alternator (9) from generator set.
If replacing alternator, remove and retain nut (10), lockwasher (11), and pulley (12) from alternator (9).
2-14-4. Installation.
a.
b.
C.
d.
e.
f.
g.
h.
i.
j.
If removed, install pulley (12, Figure 2-5) on battery charging alternator (9) with lockwasher (11) and nut (10).
Torque nut (10) 40 to 50 ft-lbs (54 to 68 Nm).
Position battery charging alternator (9) in generator set.
Install bolt (8) spacer (7), washer (6), lockwasher (5), and nut (4).
Slip fan belt (33, Figure 2-20) onto battery charging alternator pulley.
Install bolt (1, Figure 2-5), lockwasher (2), and washer (3).
Install electrical leads and remove tags.
Adjust fan drive belt, paragraph 2-75-4.
Tighten bolts (26, Figure 2-20) for overflow mounting bracket (29).
Install right side fan guard (4, Figure 2-20) with bolts (2) and washers (3).
Connect negative battery cable and close access doors.
Change 2 2-33
