trols remain as specified at this point
amperes.
a n d continue with test in (9) below
N o t e . If no amperage reading can be ob-
if generator is not unserviceable.
tained on the load dc ammeter (1), refer to
( 9 ) Test for interpole and compensating
winding shorts as follows:
b r i n g the generator voltage up to approxi-
(a) Place the dc voltmeter range selec-
t o r switch (8) in the "10V (X1)"
rapidly, and evenly, then proceed slowly until
p o s i t i o n and the dc voltmeter cir-
1 5 0 amperes are indicated on the load dc
a m m e t e r (1) par. (7) above.
cuit selector switch (9) "EXT
(8) Turn the 40-ohm field current rheo-
VOLTS" position.
s t a t (16) in the fully counterclock-
(b) C o n n e c t the external dc voltmeter
w i s e direction and the speed control
positive (red) binding post (29,
h a n d l e (22) partially counterclock-
fig. 16) to
the ground (GND) bind-
wise until the varidrive assembly
speed is reduced to -speed. Stop the
varidrive assembly by depressing the
n e g a t i v e (black) binding post (29,
stop button (21-C) on the drive con-
t r o l (21). If the generator performs
as specified in (7) above, next test in
test stand, using two test leads
( 9 ) below can be performed, other-
w i s e , generator is unserviceable and
(c) S t a r t the varidrive assembly, c(6)
will require repairing. Leave all leads,
c o n n e c t i n g links, switches, and con-
a b o v e , and turn the speed control
Testing the output of Bendix Eclipse Pioneer model EC30E003-A 150-ampere generator.
78