TM 5-1940-277-34
ALTERNATOR REPAIR INSTRUCTIONS
(Continued)
LOCATION
ITEM
ACTION
REMARKS
p.
Press STOP
button.
q.
Turn main
power OFF.
r.
Return all
switches and
controls to
base setting.
s.
Disconnect all
cables from
alternator and
test stand.
f.
Test results
Evaluate. If
alternator output
was 24V on DC
voltmeter, 23.0 -
25.5 amps on load
ammeter and 18 -
20 on field
ammeter the alter-
nator is service-
able. If field
ammeter reading
is low check for
open circuits or
high resistance
in field circuit.
If field ammeter
reading is high
check for grounds
or short circuits
in field circuit.
If voltage output
all right but
load ammeter
reading low check
stator windings
and rectifier.
2-91 (2-92 Blank)
