Table of Contents
Advertisement
OM 2012
-
(WJ
amag:~c! air c 12anet
.
(2) Defective
blowcr-to-
cylin&r
block gasket
(3) Pluga2d
cylinder
finer
ports
;EbiERATQR
AND EXCITATION
CIRCUH-
---
I
.
No
(or low) yen.
erotor
output
voltage
in a/l
phases.
'Gen-
erator
operating
at400Hz
in
*
A UTOM~TIC
mode.
A. Defecti=
generator
or
excitation
circuit.
B. Defective
generator
1
I'ouo e
. ootmg Chart (S !V?C
1
Figure
9
c. Clvxl~:. OS ro!iov/::
(2)fkpi~~
the gasket
if necessar
If the blower
is removed,
instcll
a
new gasket.
(3)CIean
ports if they are 0vc.r
50%
oh::-ructcd.
A. The first
check is an easy one
wh[ch will
ci!ow
the me&an
ic
to reach some definite
conclusinl
about where the trouble
is.
Piacc
the A UT@-MAN
switch
(33, Fig
1) in MANUAL
position.
If a
normal
volfage
(for the rheostat
setting)
is now produced,
the
generator
is good,
and the troubl
is in the voitage
regulator
circuit
Proceed
to step C.
if switching
to MANUAL
control
did not affec
generator
output,
the trouble
is
likely
in the generator,
but to
prove the generator
is defective,
proceed to step B.
B.
Use the test receptacie
(31, Fig.
I
to connect
12-V
DC to the ex-
citer
field.
Using
leads wit11
alligator
clips and test prods,
connect
12-V
DC NEGATIX
lead to terminal
"D".
Terminal
identifyirig
letters
are plainly
visible
cn the face of the test.
receptacle,.
Connect
POSITIVE
,'Aug 25435
Hide quick links:
Advertisement
Table of Contents
