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CHECK SEGMENT
4-
Check Ihal Ihe segment is clean and
cles.
Stlndard undercut
M
nimum undarcut depth:
i
If the undercu
t
depth is less than minimum, correct with
hacksaw blade and smooth out the edge,
Coil
Field
In
1 .
CHECK fiELD COil FOA OPEN CIRCUIT
Using
Ohmmeter. check
field coil brush leads.
If
there is no continuity. replace the field fra
2.
Ir'I
CHECK THAT fiELD COIL IS NOT GROUNDED
,r
Ohmmeter, Check for
Using
field coil end and field
If
t
h
e i$ continuity. repl
Magnetic Switch
CHECK PLUNGER
1.
Push in the plunger and relelSe
quickly to its original poSition.
PERFORM PULL·IN COIL OPEN CIRCUIT TEST
a
2.
Using an ohmmeter, check.
50
end ter
m
in
If
thera is no continuity, repl
If&(!
depth;
0.6 mm [0.024 11'1.1
0.2 mm (0.008 inJ
lor continuity between the
rl()
f
l
contin
f,ame.
d
a
ce t
h
e
ie
Check �t it rlilturns
il.
101'
a
continuity between terminel
C.
l
ce
the m&gnetic switch.
.
arli
of foreign
p
•
e.
m
ui
y
f
e
.
t
between the
r
m
e
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