Merc-O-Tronics 98 - Grounded Armature or Field Winding

1.
GROUNDED
ARMATURE
OR FIELD WINDING
STARTER MOTOR ASSEMBLED
Raise
ground
brushes from
commutator
and insulate
them from
com-
mutator
with cardboard. Make
sure
brush is not touching
commutator.
Turn
selector
switch
to
position
No. 3.
"CoiI
Continuitv".
Attach
smail red test lead
to insulated terminal
on outside
of
starter
motor
and small black test
lead to
starter motor
frame.
On starter
motors having
two fields 1) forward
winding
2)
reverse
windings, test
both insulated
terminals.
\tlhile
making
test move brush
Iead,
making sure there is
a solid connection.
If
analyzer
shows continuity
(meter
hand
moves
to the right) there is
a
ground,
check
individually
(a)
and
(b)
below:
a)
Check
armahue
-
Page
17
Armafure Ground
Test.
b)
Check
Field
Winding
separatety
-
Page
25 Field
Winding
Ground
Test.
L.
a
A
5.
26