ENGINE
WG972-E4, WSM
1-M23
6. ELECTRICAL SYSTEM
[1] STARTING SYSTEM
Starter
The starter is the electromagnetic drive type.
9Y1211108ENM0040US0
Operation of Starter
[When key switch is turned to "START" position]
The contacts of key switch (1) close and the holding
coil (3) is connected to the battery to pull the plunger (5).
The pull-in coil (4) and the starting motor are also
connected to the battery.
The pinion (8) is pushed against the ring gear (9)
with the overrunning clutch (7) by the shift lever (6) and
the magnetic switch is closed.
[When the solenoid switch is closed]
The current from the battery flows through the
solenoid switch (2) to the starting motor.
The pinion (8), which is pushed against the ring gear
(9) and rotated along the spline, meshes with the ring
gear to crank the engine.
The engine starts and increases its speed.
While the pinion spins faster than the armature, the
overrunning clutch (7) allows the pinion to spin
independently from the armature.
The pull-in coil (4) is short-circuited through the
solenoid switch (2) and the key switch (1).
[When the key switch is released]
The current from the battery flows to the holding coil
(3) through the pull-in coil (4) to diminish the magnetism
between them.
The plunger (5) is pushed by the spring to pull in the
pinion.
9Y1211108ENM0041US0
Type of motor
DC, Series-wound, Electromagnetic
drive
Nominal output 12 V
Nominal output 1.0 kW
Nominal output
30 seconds (Do not rotate
continuously for longer periods.)
Direction of rotation Clockwise as viewed from pinion side
(1) Solenoid Switch
(2) Plunger
(3) Spring
(4) Shift Lever
(5) Brush
(6) Commutator
(7) Armature
(8) Field Coil
(9) Overrunning Clutch
(1) Key Switch
(2) Solenoid Switch
(3) Holding Coil
(4) Pull-in Coil
(5) Plunger
(6) Shift Lever
(7) Overrunning Clutch
(8) Pinion
(9) Ring Gear
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