Husqvarna YTH145 Schematic, Ignition Switch, Relay, PTO Switch, Wiring Insulated Clips

Page 29

TRACTOR - MODEL NO. YTH145 (954140015A), PRODUCT NO. 954 14 00-15

SCHEMATIC

RED

BLACK

BATTERY

SOLENOID

A

AMMETER (OPTIONAL)

	WHITE
RED
S	BLACK
B	M
G	L
Y	A

FUSE 30 AMP.
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
	9 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

EQUIPPED WITH A SPECIAL

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

ALTERNATOR SYSTEM.

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 YTH145 Safe Operation Practices for Ride-On Mowers IV. ServiceGeneral Operation II. Slope OperationModel Number YTH145 Serial Product SpecificationsCustomer Responsibilities Table of Contents Contents of Hardware Pack Tools Required for Assembly AssemblyTo Remove Tractor from Carton Before Rolling Tractor OFF SkidCheck Battery See Fig HOW to SET UP Your TractorInstall Seat See Fig To Attach Front Bumper See FigTo 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 B Before Starting the EngineTo Operate on Hills To Transport See FigsTo Start Engine See Fig ADD GasolinePurge Transmission Automatic Transmission Warm UPMulching Mowing Tips Mowing TipsLubrication Chart Maintenance ScheduleCustomer Responsibilities General RecommendationsTractor Belts EngineTransaxle Cooling Transaxle Pump FluidSpark Plugs CleaningMuffler To Install Mower See Fig Service and AdjustmentsTo Level Mower Housing To Remove Mower See FigTo Adjust Attachment Clutch See Fig To Adjust Brake See FigBelt Installation To Replace Mower Blade Drive Belt See FigFront Wheel TOE-IN Adjustment Transmission REMOVAL/REPLACEMENTTo Adjust Steering Wheel Alignment Replacing Battery See B To Start Engine with a Weak Battery See aFront Wheel Camber To Remove Wheel for Repairs See FigTo Replace Headlight Bulb To Adjust CarburetorInterlocks and Relays To Replace FuseOther StorageFuel System Engine OILProblem Cause Correction Troubleshooting PointsOFF Service Notes Ignition Switch SchematicPTO Switch Wiring Insulated ClipsElectrical KEY Part NO. NO. Description Chassis and Enclosures KEY Part Description Drive Pulley, Engine KEY Part NO. no DescriptionSteering Assembly 532124415 Wheel Steering Seat Assembly Wheels & Tires DecalsEngine KEY Part NO. NO. Description Mower Deck KEY Part Description Mower Lift Repair Parts Hydro Gear Transaxle Model Number KEY Part Description Service Notes Service Notes This OUT Dotted Lines Slope CUTLimited Warranty Warranty Statement532166364 REV.1 10.05.98 SV