TM 9-2320-289-34
4-3.
ALTERNATOR TESTING AND REPAIR (M1010) (Con’t).
7 .
Check resistance between output terminal screw (5) on positive rectifier (28) and slipring end
housing (1), If resistance is not infinite, replace upper housing bushing (18) and output
terminal bushing (19) in step 10. Repeat for negative rectifier (20).
8.
Check resistance between output
terminal screw (5) on positive
rectifier (28) and loop from each lead
(22), Reverse multimeter probes. If
resistance does not change, replace
positive rectifier in step 10. Repeat
for negative rectifier (20).
NOTE
Ensure that leads and output
terminal screws (5) are tagged for
assembly.
9.
Remove
3
screws
(21)
and
disconnect 2 leads from positive
rectifier
(28)
and
1
lead
from
negative rectifier (20). Remove 2
nuts (4) and output terminal screws
(5) .
Remove
2
screws
(23),
Iockwashers (24), guard washers
(25), and insulation washers (26).
Discard Iockwashers.
Clean pipe
sealant from screw (23) threads.
TA50787
4-16
