Magneto Maintenance; Bendix Drive; Magneto - American Bosch - Westerbeke ATOMIC 4 Operation And Maintenance Manual

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Fig.62
Bendix Drive
(4) Press .the armature
out of the
pinion housing.
(5) Remove
the Bendix
head spring
scre~
(screw nearest
armature
or
on end
of
shaft),
and slide
the
Bendix from the shaft. See Fig. 62.
(6) Inspect all
parts for wear and
distortion.
Replace all
defective
parts.
(7)
Reassemble and install on engine.
d. Lubrication
The
service
requirements of
this
unit are light and it requires very
little lubrication. Once each season
the motor
should
be
disassembled
and the
bronze
bearings
soaked in
oil. Some models are
equipped with
oil holes on the commutator
end of
the shaft.
Three or four
drops of
light oil every
100
hours of opera-
t ion placed in this oil hole is suf-
ficient.
5.
MAGNETO MAINTENANCE
a. Removal
(1)
Pull the ignition
~ires
free of
the magneto distributor cap.
(2) Remove the two capscrews holding
the magneto to the mounting bracket.
()
Pull the magneto in a direction
a1vay from the
drive shaft and lift
-49-
it from the engine.
b. Inspection and Cleaning
(1)
Loosen
the
screws and
~emove
the end
cap from
the magneto.
Be
careful
not to
damage the
gasket
betueen the end cap and the magneto
body.
(2) Remove the distributor cap from
the end cap.
(J) Inspect magneto for worn or bro-
ken parts. Check end and distributor
caps for cracks and burned areas.
(4)
Replace all worn or broken parts.
(5)
Clean
all exposed
portions of
the magneto with carbon tetrachloride.
c. Adjustment of POints, American
Bosch
(1)
Inspect the points for evidence
of pitting or burning. If points are
only
slightly burned,
dress
with
fine point file. If points are badly
burned, replace.
I
Z
Fig.6J
,
:Magneto - American Bosch
(2) Turn
the magneto
shaft
until
the cam
shoe rides
on the highest
point of the cam.
(J) Loosen the locking screw
(I).
(4)
Turn
the
eccentric
adjusting
screw (2) until the points are open
0.015".
Tighten the locking screw.

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