Manuals / Husqvarna / Lawn and Garden / Lawn Mower

Husqvarna 18 HP 42 TRACTOR - - MODEL NUMBER YT180 954001082A, Schematic, Indicator Lights

Models: YT180

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18 HP 42" TRACTOR - - MODEL NUMBER YT180 (954001082A)

18 HP 42" TRACTOR - - MODEL NUMBER YT180 (954001082A)

SCHEMATIC

RED

BLACK

RED

WHITE

S

BL

G M

IGNITION

SWITCH

BLACK

BATTERY

		RED	RED	M
				M
FUSE 30 AMP.				STARTER
				STARTER
				BLACK
	C	G
		WHITE
BLACK			SOLENOID	BLACK
BLACK		WHITE		BLACK
CLUTCH / BRAKE		F		2
CLUTCH / BRAKE
(PEDAL UP)	B		ELECTRIC CLUTCH
		RED		BLACK
BLACK		E
		E
SEAT SWITCH	A
(NOT OCCUPIED)				BLACK
		D
		PTO
BLACK	(DISENGAGED)
GROUNDING
CONNECTOR
BLACK	IGNITION		SPARK
	UNIT		PLUGS

CHARGING SYSTEM OUTPUT

15 AMP DC @ 3600 RPM

			RED	REGULATOR
				REGULATOR		YELLOW
						ALTERNATOR
			28 VOLTS AC @ 3600 RPM (REGULATOR DISCONNECTED)
NON-REMOVABLE		REMOVABLE				RED
NON-REMOVABLE		REMOVABLE				12.2 VOLT	BLACK
CONNECTIONS		CONNECTIONS				12.2 VOLT	BLACK
CONNECTIONS		CONNECTIONS			BLUE	BLUE SENSOR
					BLUE	BLUE SENSOR
			OIL PRESSURE SWITCH		3
				(ENGINE OFF)	3
	INDICATOR LIGHTS		RED	YELLOW			BLACK
			RED	YELLOW			BLACK
1	LOW FUEL		4
2	DISENGAGE ATTACHMENT		4			1
2	DISENGAGE ATTACHMENT					1
3	BATTERY DISCHARGING					RED	BLACK
3	BATTERY DISCHARGING					LOW FUEL
4	CHECK OIL					LOW FUEL
						SENSOR
			RED	HOUR		(TANK FULL)	BLACK
			RED	HOUR			BLACK
				METER
	S

M B

L

G

IGNITION SWITCH

POSITION	CIRCUIT

OFF	M + G
ON	B + L
START	B + S + L

		AFTER FIRE SOLENOID
	ORANGE	BROWN
	HEADLIGHT SWITCH (OFF)
	WIRING INSULATED CLIPS
	NOTE: IF WIRING INSULATED	PTO SWITCH
	CLIPS WERE REMOVED FOR	PTO SWITCH
	SERVICING OF UNIT, THEY	POSITION	CIRCUIT
	SHOULD BE REPLACED TO	POSITION	CIRCUIT
	SHOULD BE REPLACED TO	OFF	C + G
	PROPERLY SECURE YOUR	OFF	C + G
	WIRING.	ON	C + F, B + E, A + D

BLACK

HEAD-

LIGHTS

G F C

E		B
D		A

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Image 27

Husqvarna 18 HP 42 TRACTOR - - MODEL NUMBER YT180 954001082A, Schematic, Indicator Lights, Ignition Switch, Pto Switch

Contents

YT180 I. GENERAL OPERATION SAFETY RULESIV. SERVICE Safe Operation Practices for Ride-On MowersCUSTOMER RESPONSIBILITIES PRODUCT SPECIFICATIONSCUSTOMER RESPONSIBILITIES TABLE OF CONTENTSSERVICE AND ADJUSTMENTS REPAIR PARTS - TRACTORParts packed separately in carton CONTENTS OF HARDWARE PACKParts Bag contents shown full size Parts bag contents not shown full sizeBEFORE ROLLING TRACTOR OFF SKID ASSEMBLYTOOLS REQUIRED FOR ASSEMBLY TO REMOVE TRACTOR FROM CARTONDo not smoke. Fumes from charged battery acid are explosive HOW TO SET UP YOUR TRACTORPREPARE BATTERY See Fig INSTALL SEAT See FigASSEMBLY INSTALL BATTERY See Figs. 4TO ATTACH FRONT BUMPER See Fig Periodic chargingFIG. 8B INSTALL MULCHER PLATE See Figs. 8A & 8BASSEMBLE GAUGE WHEELS TO MOWER DECK See Fig TO CONVERT TO BAGGING OR DISCHARGINGKNOW YOUR TRACTOR OPERATIONTO USE THROTTLE CONTROL See Fig HOW TO USE YOUR TRACTORTO SET PARKING BRAKE See Fig STOPPING See FigTO OPERATE ON HILLS TO ADJUST MOWER CUTTING HEIGHT See FigBEFORE STARTING THE ENGINE TO OPERATE MOWER See FigOPERATION INDICATOR LIGHTSMOWING TIPS TO START ENGINE See FigGENERAL RECOMMENDATIONS MAINTENANCE SCHEDULELUBRICATION CHART CUSTOMER RESPONSIBILITIESTIRES BATTERY See FigTRACTOR BRAKE OPERATIONTRANSAXLE COOLING CLEAN AIR SCREEN See FigENGINE V-BELTSSPARK PLUGS CLEANINGENGINE OIL FILTER MUFFLERTO REMOVE MOWER See Fig SERVICE AND ADJUSTMENTSTO INSTALL MOWER See Fig CAUTION BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTSSERVICE AND ADJUSTMENTS TO LEVEL MOWER HOUSINGSERVICE AND ADJUSTMENTS TO ADJUST BRAKE See FigTO REPLACE MOWER BLADE DRIVE BELT See Fig TO REPLACE MOTION DRIVE BELT See FigTO REMOVE WHEEL FOR REPAIRS See Fig TO ADJUST STEERING WHEEL ALIGNMENTTO START ENGINE WITH A WEAK BATTERY See Fig FRONT WHEEL TOE-IN/CAMBERINTERLOCKS AND RELAYS TO REMOVE HOOD AND GRILL ASSEMBLY See FigTO REPLACE FUSE TO REPLACE HEADLIGHT BULBENGINE TO ADJUST THROTTLE CONTROL CABLE See FigTO ADJUST CARBURETOR See Fig SERVICE AND ADJUSTMENTSFUEL SYSTEM BATTERYSTORAGE OTHERCORRECTION TROUBLESHOOTING POINTSPROBLEM CAUSECORRECTION TROUBLESHOOTING POINTSPROBLEM CAUSEIGNITION SWITCH SCHEMATIC18 HP 42 TRACTOR - - MODEL NUMBER YT180 954001082A INDICATOR LIGHTSPEDAL REPAIR PARTS2221 FOOT18 HP 42 TRACTOR - - MODEL NUMBER YT180 954001082A REPAIR PARTSELECTRICAL KEY PART NO. NO. DESCRIPTIONCHASSIS AND ENCLOSURES REPAIR PARTS18 HP 42 TRACTOR - - MODEL NUMBER YT180 954001082A KEY PART NO. NO. DESCRIPTION REPAIR PARTS18 HP 42 TRACTOR - - MODEL NUMBER YT180 954001082A CHASSIS AND ENCLOSURES18 HP 42 TRACTOR - - MODEL NUMBER YT180 954001082A DRIVE100 REPAIR PARTSKEY PART NO. NO. DESCRIPTION REPAIR PARTS18 HP 42 TRACTOR - - MODEL NUMBER YT180 954001082A DRIVESTEERING ASSEMBLY REPAIR PARTS18 HP 42 TRACTOR - - MODEL NUMBER YT180 954001082A KEY PART NO. NO. DESCRIPTION REPAIR PARTSSTEERING ASSEMBLY 18 HP 42 TRACTOR - - MODEL NUMBER YT180 954001082AREPAIR PARTS SEAT ASSEMBLYPART DESCRIPTION18 HP 42 TRACTOR - - MODEL NUMBER YT180 954001082A DECALSWHEELS & TIRES REPAIR PARTSENGINE REPAIR PARTS18 HP 42 TRACTOR - - MODEL NUMBER YT180 954001082A KEY PART NO. NO. DESCRIPTION REPAIR PARTS18 HP 42 TRACTOR - - MODEL NUMBER YT180 954001082A ENGINEMOWER LIFT ASSEMBLY REPAIR PARTS18 HP 42 TRACTOR - - MODEL NUMBER YT180 954001082A KEY PART NO. NO. DESCRIPTION REPAIR PARTSMOWER LIFT ASSEMBLY 18 HP 42 TRACTOR - - MODEL NUMBER YT180 954001082A18 HP 42 TRACTOR - - MODEL NUMBER YT180 954001082A 42 MOWER117 REPAIR PARTS18 HP 42 TRACTOR - - MODEL NUMBER YT180 954001082A KEY PARTNO. NO REPAIR PARTSDANA TRANSAXLE - - MODEL NUMBER REPAIR PARTS18 HP 42 TRACTOR - - MODEL NUMBER YT180 954001082A KEY PART REPAIR PARTS18 HP 42 TRACTOR - - MODEL NUMBER YT180 954001082A DANA TRANSAXLE - - MODEL NUMBERIS A SIGHTING GUIDETHIS DOTTED530-0683-91-2-04/21/92 WARRANTY STATEMENTHUSQVARNA FOREST & GARDEN CO 9006-J PERIMETER WOODS DRIVE CHARLOTTE, NORTH CAROLINA954 53214501907.08.94