Checking and Adjusting Pinion Gap (Magnet Switch Type)
1.
Disconnect the connecting lead from C terminal.
2.
Energize the magnet switch and measure the gap between the pinion tip and the stop collar.
3.
To
adjust the
gap,
change the length of the magnet switch
jOint
to the specified
one.
Adjustment
of
pinion
gap
la) Pinion
gap
Reference value
0.1
to
0.4
mm
0.0039 to
0.0157
in.
L
Pinion
juts
out
to
this
position
Id)
Turning
the
joint
alters
its
length
Checking Gap between Shaft and Bush (Magnet Switch Type)
1.
Measure the inside diameters of the bearing bushings
on
the side of the drive and
commutator.
2.
Measure the drive-side and commutator-side shaft diameters and calculate the
gap.
3.
If the gap exceeds the allowable limit, use
an
undersize bush.
-
Model M-30
Model M-30
Drive shaft dia.
12.5
mm,
0.4921
in.
Reference
value
Commutator shaft dia.
12.5
mm,
0.4921
in.
Commutator side
0.06
mm
0.0024 in.
Drive bushing
ID
12.54 mm, 0.4937 in.
Drive 0.04 mm
0.Q16
in.
Commutator bushing
ID
12.56 mm, 0.4945 in.
146
Allowable limit
0.2 mm
0.0079
in.
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