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SCHEMATIC
18 HP 42" TRACTOR
o - MODEL NUMBER
917.257560
• 111 °
_Eo o111o
o.oK
BATTERY
[_
J
f
RED
(--_
(_)
RED
I
RED
, s
]
WHITE
IGNITION
SWITCH
BLACK
-7
S
IGNITION SWITCH
I °+L ]
START
B + S + L
--0--
NONREMOVABLE
CONNECTIONS
CLUTCH / BRAKE
(PEDAL UP)
I .....
....
I
I
I
_
(2> _
!
I
BIJ_,CK
BLACK
SOLENOID
SEAT SWITCH
(NOT OCCUPIED)
JI
I
I
I
I
i
I
I
i
z
_
n
C_
T
...............
8LACK
,
ATT'MENT CLUTCH
GROUNDING
(CLUTCH OFF)
CONNECTOR
IGNITION
j__
SPARK
_--_-4
UNIT
PLUG
RED
CHARGING
SYSTEM
OUTPUT
3 AMP DC @ 3600 RPM
\
NOTE
YOUR TRACTOR
IS EQUIPPED
WITH A SPECIAL ALTERNATOR
SYSTEM.
THE LIGHTS ARE
NOT CONNECTED
TO THE
BATTERY, BUT HAVE THEIR
OWN ELECTRICAL
SOURCE.
BECAUSE OF THtS, THE
BRIGHTNESS
OF THE LIGHTS
WILL CHANGE WiTH ENGINE
SPEED.
AT IDLE THE LIGHTS
WILL D!M AS THE ENGINE !S
SPEEDED UP, THE LIGHTS WILL
BECOME THEIR BRIGHTEST.
--C_---
REMOVABLE
CONNECTIONS
28 VOLTS
AC MIN. @ 3600 RPM
(CHARGING
SYSTEM
DISCONNECTED)
LIGHTING
SYSTEM
OUTPUT
DIODE
ALTERNATOR
5 AMP AC @ 3600 RP_
I--
I
14 VOLTS
AC MIN, @ 3600 RPM (LIGHTS
OFF)
I
HEADLIGHT
SWITCH
(OFF)
HEADLIGHTS
WIRING iNSULATED
CLIPS
NOTE: IF WIRING INSULATED
CLIPS
WERE REMOVED
FOR SERVICING
OF
UNIT, THEY SHOULD BE REPLACED
TO
PROPERLY
SECURE YOUR WIRRNG.
29
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