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REPAIR PARTS
TRACTOR - - MODEL NUMBER PD18H42STB
SCHEMATIC
87
87A
8586
30
RELAY
WIRING INSULATED CLIPS
NOTE: IF WIRING INSULATED CLIPS WERE REMOVED FOR
SERVICING OF UNIT, THEY SHOULD BE REPLACED TO
PROPERLY SECURE YOUR WIRING.
NON-REMOVABLE
CONNECTIONS
REMOVABLE
CONNECTIONS
BATTERY
RED
BLACK
M
SOLENOID
A
AMMETER
RED
RED
RED
RED
RED
WHITE
WHITE
WHITE
BLACK
BLACK
BLACK
YELLOW
YELLOW
BLACK
BROWN
BLUE
GREEN
GREEN
BLUE
BLUE
BLUE
BLUE
BLUE
G
B
S
M
A1
A2L
HEADLIGHTS
BLACK
BLACK
BROWN
SEAT SWITCH
(NOT OCCUPIED)
IGNITION
UNIT
SPARK
PLUG
GAP
(2 PLUGS ON
TWIN CYL. ENGINES)
BLACK
ORANGE
CLUTCH / BRAKE
(PEDAL UP)
(OPTIONAL)
STARTER
IGNITION
SWITCH
FUEL SHUT-OFF
SOLENOID
(IF SO EQUIPPED)
FUEL
LINE
ATT'MENT CLUTCH
(CLUTCH OFF)
OPERATOR
PRESENCE RELAY #3
85 86
30
87
87A
OPERATOR
PRESENCE RELAY #1
85 86
30
87
87A
FUSE
ALTERNATOR
YELLOW
28 VOLTS AC @ 3600 RPM
(REGULATOR DISCONNECTED)
REGULATOR
CHARGING SYSTEM OUTPUT
15 AMP DC @ 3600 RPM
B + S + A1START NONE
IGNITION SWITCH
CIRCUITPOSITION
OFF
B+A1RUN/LIGHT
M+G+A1
B+A1RUN
“MAKE”
A2+L
NONE
NONE
OPERATOR
PRESENCE RELAY #2
85 86
30
87
87A