Poulan 178112 owner manual Tractor - Model Number PR20H42STC, Schematic

TRACTOR - - MODEL NUMBER PR20H42STC

SCHEMATIC

RED

BLACK

BATTERY

	A	RED
AMMETER			FUSE
(OPTIONAL)
		WHITE
RED	B	S
		M	CLUTCH / BRAKE
	G
		A1	(PEDAL UP)
	L	A2
BLACK	IGNITION
	SWITCH
			BLACK
			BLACK
			HOUR
			METER
			(OPTIONAL)
			FUEL
		BLUE	LINE

	RED	M
		STARTER
		BLACK
	SOLENOID
	WHITE
		SEAT SWITCH
		(NOT OCCUPIED)
WHITE
	BLACK	BLACK
	ATT'MENT CLUTCH	GROUNDING
BLACK	(CLUTCH OFF)
		CONNECTOR

				SPARK
BLACK		IGNITION		PLUG
		UNIT		GAP
			(2 PLUGS ON
			TWIN CYL. ENGINES)
	CHARGING SYSTEM OUTPUT		28 VOLTS AC MIN. @ 3600 RPM
	3 AMP DC @ 3600 RPM		(CHARGING SYSTEM DISCONNECTED)

FUEL SHUT-OFF SOLENOID	RED
(IF SO EQUIPPED)	LIGHTING SYSTEM OUTPUT
		DIODE
ORANGE	5 AMP AC @ 3600 RPM

ALTERNATOR

14 VOLTS AC MIN. @ 3600 RPM (LIGHTS OFF)

IGNITION SWITCH

POSITION	CIRCUIT	“MAKE”
OFF	M+G+A1	NONE
RUN/LIGHT	B+A1	A2+L

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 THIS, THE BRIGHTNESS OF THE LIGHTS WILL CHANGE WITH ENGINE SPEED. AT IDLE THE LIGHTS WILL DIM. AS THE ENGINE IS SPEEDED UP, THE LIGHTS

WILL BECOME THEIR BRIGHTEST.

WIRING INSULATED CLIPS

BROWN BLACK

HEADLIGHTS

NON-REMOVABLE

CONNECTIONS

REMOVABLE

CONNECTIONS

RUN	B+A1	NONE
START	B + S + A1	NONE

NOTE: IF WIRING INSULATED CLIPS WERE REMOVED FOR SERVICING OF UNIT, THEY SHOULD BE REPLACED TO PROPERLY SECURE YOUR WIRING.

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