B2410 • B2710 • B2910 WSM,
12271
[3] STARTING SYSTEM
Main Switch Table
I
30
AC
19
50
Key Position
OFF
•
ON
-
-
-
-
PREHEAT
- -
•
-
-
START
-
-
- -
-
At
the
"PREHEAT"
Position
...----1
5 A
1------,
-----
I=========~\
9 ELECTRICAL SYSTEM
At
the
"START"
Position
.-----i
5 A
1-----,
---------
\
\.
- -
......
_-
~
- -
~-
- - - - -
.....
!
I
I
I
I
I
t
T
I
I
I
-'-
®
"
~
_"",",-
.:a. _
'-
~
--'
(4)
Starter Relay
(5)
Starter Motor
12271
M90020
and relay contact point
Sl
is turned on.
This actuates starter motor (5) and the glow plugs are
kept red-hot.
The main switch automatically returns to the ON
position, the terminal 30
is
connected only to the
terminal AC, thereby causing the starting circuit to be
opened, stopping the starter motor.
12271F90030
(1)
Main Switch
(2)
Safety Switches
(3)
Slow Blow Fuse
When the main switch
(1)
is turned to the PREHEAT
position, the terminal 30 is connected to the terminals 19
and AC. The glow plugs
(6)
become red-hot, and at the
same time, the pre-heat indicator lamp
(7)
also lights on.
When the main switch
is
then turned to the START
position with the safety switches
(2)
on, the terminal 30
is
connected to the terminals 50 and AC. Consequently,
battery current flows to the coil
C1
of the starter relay (4),
(6)
Glow Plugs
(7)
Pre-heat Indicator Lamp
(8)
Battery
(9)
Engine Stop Solenoid
9-M4
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