Disassembly - Westerbeke 4.5 BCG Operator's Manual

STARTER MOTOR
ATIRACTION TEST
BATIERY
3. Holding test. With a battery connected to the solenoid ter-
minal S (
+)
and to the starter body, manually pull out the
pinion
fully~
The pinion must remain at that position even
Yfhen released from holding with your hand.
·BATTfRY
STARTER DISASSEMBLY
1.
Disconne~t
the wire from the solenoid termin&l M (-).
2. Loosen the two screws· fastening the solenoid. Remove
the solenoid assembly.
3. Remove the tWo long through bolts and two screws.
fastening the brush holder. Remove the rear bracket.
4.
With the brushes pulled away from the armature,
remove the yoke and brush holder assembly. Then pull
the armature out.
· 5. ,.Remove the cover, pry the snap ring out, and remove the
washer; · ·
6. Unscrew the bolts and remove the center bracket. At the
same time, the washers for the pinion shaft end play
adjustment will come off.
STARTER
. MOTOR
INSPECT FOR
WEAR & CHIPPING
4. Return test:. With a battery connected to.the solenoid :ter-
rninal M (-)and to the starter body, manually·pull out the .
pinion fully. The pinion must.return to its original position
when released from holding by hand.
RETURN TEST
7.
Pull out the reduction gear lever and lever spring from. the
front bracket.
8. On the pinion side, pry the snap ring out, and pull out the
pinion and pinion shaft. ·
9. At each end of the armature, remove the ball bearing with
a bearing puller. It is imJ?ossible to replace the ball bearing
pi:ess-fitted in the front bracket. If that bearing has wom
off, replace the front bracket assembly.
SOLENOID
'-.ADJUSTING
SHIMS
'
.,
.
'----··
NOTE: lnspect, clean
and replace
if
necessary brnsh, commuter,
solenoid, armature, etc. See the
following pages.
Engines & Generators
23