M.5 ELECTRICAL SYSTEM
68
mm
STROKE
SERIES
WSM,
01
160
[AI
3
0
0
7
F
0
8
8
D007F084
rs
1.
Schematic Circuit
(1)
Key
Switch
(8)
Field Coil
(2)
Solenoid Switch
(9)
Commutator
(3)
Holding Coil
(10)
Brush
(4)
Pull-in Coil
(1 1)
Armature
(5)
Plunger
(12)
Spiral Spline
(6)
Rod
(13) Overrunning Clutch
(7)
Shift Lever (14) Pinion
2.
Overrunning Clutch
The overrunning clutch
is
so
constructed that the
power transmission relationship
is
automatically
severed when the clutch pinion shaft
(6)
speed
exceeds the clutch gear outer
(1)
speed at increased
engine speeds. Therefore, the armature drives the
ring gear and
is
never driven by the engine.
[A]
When power
is
[B]
Idling rotation
with
clutch
transmitted
pinion shaft speed exceed
that
of
clutch
gear outer
(1)
Clutch Gear outer (4) Spline Tube Inner
(2)
Roller
(5)
Pinion Gear
(3)
Roller Spring
(6)
Clutch Pinion Shaft
3.
Solenoid Switch
The solenoid switch forces out the pinion for
engaging with the ring gear, and operates
as
a
relay
to
drive the armature.
It
consists of
a
pull-in coil,
a
holding coil and
a
plunger.
(1)
Plunger
(4)
Pull-in Coil
(2)
Spring
(5)
Holding Coil
(3)
Contact Plate
M-33
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