Merc-O-Tronics 98 - Field Winding Ground Test; Ground Brush Test

1.
A
a.
FIELD
WINDING
GROUND
TEST
STARTER
MOTOR
]]ISASSEMBLED
Turn selector
switch
to
position
No. 3,
"Coil
Continuity".
Attach small
red test
lead to
insulated
terminal
on outside
motor and
small
black test
lead
to
starter
motor
frame.
Meter
hand should
not move, if
itdoes,
it indicates
the
field is
On starter
motors
having two
fields
1) forward winding
windin3s,
test
both insulated
terminais.
of
starter
grounded.
? ) rorrerqo
1.
2.
GROUND
BRUSH TEST
STARTER
MOTOR
DISASSEMBLED
Turn
selector
switch
to
No.
3,
"Coil
Continuity".
Attach small
biack
test lead
to the
grounded
brush
and small
red test
lead to
frame
to which
brush
is
fastened.
(End
cap
housing
or
field
frame.
)
Meter
hand must
move
to the
right,
if
not, there
is a
poor
ground
con-
nection.
a)
replace
the
ground brush
and
lead or
b) check
that the
lead connection
is secure
to the
frame.
There is
also a
possibility
of
the brush
holder
having a
poor ground
to
the
frame
or
end
cap, test by
following
steps
1,2,3
above.
q
i
t)