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Shibaura ST330 - Page 241

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229
(2) Permanent magnets
Check permanent magnets for crack,
damage and looseness, replace yoke
assembly as necessary.
(3) Brushes
a. Check brushes for wear. Replace brushes
if below the limit.
b. Check brush spring pressure to make sure
brush moves smoothly in brush holder.
c. To check brush holder assembly for
grounds, touch one probe of a circuit
tester to holder plate and the other probe
to each of insulated holders.
Replace brush holder assembly if any
continuity is noted.
618Y
(4) Over running clutch and pinion gear.
While holding clutch housing, rotate
pinion.
Pinion should rotate smoothly in one
direction (not necessarily easily), but
should not rotate in opposite direction.
If the clutch does not function properly,
replace it.
If pinion gear is worn or burred, replace
it.
NOTE:
Overrunning clutch should not be cleaned
with grease dissolving solvents, since these
would dissolve the lubricant in the clutch
mechanism.
(5) Front bracket
Replace front bracket as an assembly
including ball bearing if the bearing fails
to rotate smoothly or it is noisy.
(6) Rear bracket
Replace rear bracket as an assembly
including sleeve bearing if the bearing is
badly worn.
(7) Internal gear and planetary gears
Replace the gears if their teeth are badly
worn or damaged.
(8) Switch
Check continuity between M terminal and
body (ground).
Replace the switch if no continuity is
noted.
4. Reassembly and adjustment
To reassemble the starter, follow the
reverse of disassembling procedure, and
observe the following precautions:
(1) Apply grease to the following parts
during assembly.
a. Sleeve bearing and ball.
b. Sleeve bearing in internal gear.
c. Sleeve bearing in rear bracket.
d. Gear shaft
e. Sliding surface of lever and overrunning
clutch.
f. Armature shaft gear, internal gear and
planetary gears.
g. Sliding surfaces of pinion and front
bearing.
619Y

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