Husqvarna YTH150 Schematic, Ignition Switch, Relay, PTO Switch, Wiring Insulated Clips

Page 29

TRACTOR - MODEL NO. YTH150 (HCLTH150E), PRODUCT NO. 954 14 00-07

SCHEMATIC

RED

BLACK

BATTERY

SOLENOID

A

AMMETER (OPTIONAL)

	WHITE
RED
S	BLACK
B	M
G	L
Y	A

FUSE
C	G
CLUTCH / BRAKE
(PEDAL UP)	F H
	F H
B

RED	RED	M
		M
		STARTER

ELECTRIC CLUTCH

RED

BLACK

IGNITION	E
SWITCH	E
	A
SEAT SWITCH	D
(NOT OCCUPIED)	D
	PTO (DISENGAGED)
	HOUR
	METER
FUEL	(OPTIONAL)

85	86
87	30
	87A
OPERATOR
PRESENCE
RELAY #1

LINE		SPARK
	IGNITION	SPARK
	IGNITION	PLUGS GAP
BLUE	UNIT	(2 PLUGS ON
		TWIN CYL. ENGINES)
FUEL SHUT-OFF SOLENOID	CHARGING SYSTEM OUTPUT	28 VOLTS AC MIN. @ 3600 RPM
	3 AMP DC @ 3600 RPM	(CHARGING SYSTEM DISCONNECTED)

G A

Y S

M L B

IGNITION SWITCH

POSITION	CIRCUIT	“MAKE”


OFF	G + M + L	NONE
RUN/LIGHT	B + L	A + Y
RUN	B + L	NONE
START	B + L + S	NONE

NOTE

DIODE

ALTERNATOR

YOUR TRACTOR IS

LIGHTING SYSTEM

EQUIPPED WITH A SPECIAL

OUTPUT

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

ALTERNATOR SYSTEM.

5 AMP AC @ 3600 RPM

THE LIGHTS ARE NOT

BROWN

CONNECTED TO THE

BLACK

BATTERY, BUT HAVE THEIR

OWN ELECTRICAL SOURCE.

87

BECAUSE OF THIS, THE

86 87A 85

BRIGHTNESS OF THE LIGHTS

WILL CHANGE WITH ENGINE

30

HEADLIGHTS

SPEED. AT IDLE THE LIGHTS

RELAY

G F C

WILL DIM. AS THE ENGINE IS

SPEEDED UP, THE LIGHTS

PTO SWITCH

WILL BECOME THEIR BRIGHTEST.

POSITION

CIRCUIT

H

E

WIRING INSULATED CLIPS

OFF

C + G, B + H

NOTE: IF WIRING INSULATED

ON

C + F, B + E, A + D

CLIPS WERE REMOVED FOR

D A

SERVICING OF UNIT, THEY

SHOULD BE REPLACED TO

NON-REMOVABLE

REMOVABLE

PROPERLY SECURE YOUR WIRING.

CONNECTIONS

CONNECTIONS

B

29

Image 29

Contents YTH150 Safe Operation Practices for Ride-On Mowers IV. ServiceGeneral Operation II. Slope OperationModel Number YTH150 Serial Product SpecificationsCustomer Responsibilities Table of Contents Contents of Hardware Pack Tools Required for Assembly AssemblyHOW to SET UP Your Tractor To Remove Tractor from CartonTo Attach Nose Roller See Fig Install Seat See FigTo Attach Front Bumper See Fig To Convert to Bagging or Discharging Install Mulcher Plate See FigsAssemble Gauge Wheels to Mower Deck See Fig Check Deck Levelness Check Tire PressureCheck for Proper Position of ALL Belts Check Brake SystemOperation Know Your Tractor HOW to USE Your Tractor To Operate Mower See a Before Starting the EngineTo Operate on Hills To Transport See FigsTo Start Engine See Fig ADD GasolinePurge Transmission Hydrostatic Transmission Warm UPMulching Mowing Tips Mowing TipsCustomer Responsibilities Lubrication ChartGeneral Recommendations Before Each USETractor To Service Cartridge To Service PRE-CLEANEREngine LubricationClean AIR INTAKE/COOLING Areas CleaningMuffler Spark PlugsTo Install Mower See Fig Service and AdjustmentsTo Level Mower Housing To Remove Mower See FigBelt Installation To Adjust Brake See FigTo Replace Mower Blade Drive Belt See Fig Belt RemovalTo Adjust Steering Wheel Alignment Transmission REMOVAL/REPLACEMENTTo Replace Motion Drive Belt See Fig Front Wheel TOE-IN/CAMBERTo Replace Fuse To Replace Headlight BulbInterlocks and Relays Acceleration Test To Adjust Throttle Control Cable See FigTo Adjust Carburetor See Fig Other StorageFuel System Engine OIL Problem Cause Correction Troubleshooting PointsOFF Service Notes Ignition Switch SchematicPTO Switch Wiring Insulated ClipsElectrical KEY Part NO. NO. Description Chassis and Enclosures KEY Part Description Repair Parts KEY Part NO. no Description Repair Parts KEY Part Description NO. no Steering AssemblyKEY Part NO. no Description Seat AssemblyWheels & Tires DecalsLSB42 LBD48Engine KEY Part NO. NO. Description Mower Deck KEY Part Description 25 24 Mower LiftKEY Part NO. NO. Description Hydro Gear Transaxle Model Number KEY Part Description Service Notes Service Notes This OUT Dotted Lines Slope CUTLimited Warranty Warranty Statement532162559 Rev.1 03.11.98 RH/SJ