Husqvarna YTH150 owner manual Off

Page 27

TROUBLESHOOTING POINTS

PROBLEM

CAUSE

CORRECTION

 

 

 

 

 

Engine continues to run

1.

Faulty operator-safety presence control system.

1.

Check wiring, switches and connections. If not

when operator leaves seat

 

 

 

corrected, contact an authorized service center/

with attachment clutch

 

 

 

department.

engaged

 

 

 

 

 

 

 

 

 

Poor cut - uneven

1.

Worn, bent or loose blade.

1.

Replace blade. Tighten blade bolt.

 

2.

Mower deck not level.

2.

Level mower deck.

 

3.

Buildup of grass, leaves, and trash under mower.

3.

Clean underside of mower housing.

 

4.

Bent blade mandrel.

4.

Replace blade mandrel.

 

5.

Clogged mower deck vent holes from buildup of

5.

Clean around mandrels to open vent holes.

 

 

grass, leaves, and trash around mandrels.

 

 

 

 

 

 

 

Mower blades will not

1.

Obstruction in clutch mechanism.

1.

Remove obstruction.

rotate

2.

Worn/damaged mower drive belt.

2.

Replace mower drive belt.

 

3.

Frozen idler pulley.

3.

Replace idler pulley.

 

4.

Frozen blade mandrel.

4.

Replace blade mandrel.

 

 

 

 

 

Poor grass discharge

1.

Engine speed too slow.

1.

Place throttle control in “FAST” position.

 

2.

Travel speed too fast.

2.

Shift to slower speed.

 

3.

Wet grass.

3.

Allow grass to dry before mowing.

 

4.

Mower deck not level.

4.

Level mower deck.

 

5.

Low/uneven tire air pressure.

5.

Check tires for proper air pressure.

 

6.

Worn, bent or loose blade.

6.

Replace/sharpen blade. Tighten blade bolt.

 

7.

Buildup of grass, leaves and trash under mower.

7.

Clean underside of mower housing.

 

8.

Mower drive belt worn.

8.

Replace mower drive belt.

 

9.

Blades improperly installed.

9.

Reinstall blades sharp edge down.

 

10.

Improper blades used.

10.

Replace with blades listed in this manual.

 

11.

Clogged mower deck vent holes from buildup of

11.

Clean around mandrels to open vent holes.

 

 

grass, leaves, and trash around mandrels.

 

 

 

 

 

 

 

Headlight(s) not working

1.

Switch is “OFF”.

1.

Turn switch “ON”.

(if so equipped)

2.

Bulb(s) burned out.

2.

Replace bulb(s).

 

3.

Faulty light switch.

3.

Check/replace light switch.

 

4.

Loose or damaged wiring.

4.

Check wiring and connections.

 

5.

Blown fuse.

5.

Replace fuse.

 

 

 

 

 

Battery will not charge

1.

Bad battery cell(s).

1.

Replace battery.

 

2.

Poor cable connections.

2.

Check/clean all connections.

 

3.

Faulty regulator (if so equipped).

3.

Replace regulator.

 

4.

Faulty alternator.

4.

Replace alternator.

 

 

 

 

 

Loss of drive

1.

Freewheel control in “disengaged” position.

1.

Place freewheel control in “engaged” position.

 

2.

Motion drive belt worn, damaged, or broken.

2.

Replace motion drive belt.

 

3.

Air trapped in transmission during shipment

3.

Purge transmission.

 

 

or servicing.

 

 

 

 

 

 

 

Engine “backfires”

1.

Engine throttle control not set at “SLOW”

1.

Move throttle control to “SLOW” position and allow

when turning engine

 

position for 30 seconds before stopping engine.

 

to idle for 30 seconds before stopping engine.

“OFF”

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

27

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Contents YTH150 II. Slope Operation IV. ServiceSafe Operation Practices for Ride-On Mowers General OperationProduct Specifications Customer ResponsibilitiesModel Number YTH150 Serial Table of Contents Contents of Hardware Pack To Remove Tractor from Carton AssemblyTools Required for Assembly HOW to SET UP Your TractorInstall Seat See Fig To Attach Front Bumper See FigTo Attach Nose Roller See Fig Install Mulcher Plate See Figs Assemble Gauge Wheels to Mower Deck See FigTo Convert to Bagging or Discharging Check Brake System Check Tire PressureCheck Deck Levelness Check for Proper Position of ALL BeltsOperation Know Your Tractor HOW to USE Your Tractor To Transport See Figs Before Starting the EngineTo Operate Mower See a To Operate on HillsHydrostatic Transmission Warm UP ADD GasolineTo Start Engine See Fig Purge TransmissionMulching Mowing Tips Mowing TipsBefore Each USE Lubrication ChartCustomer Responsibilities General RecommendationsTractor Lubrication To Service PRE-CLEANERTo Service Cartridge EngineSpark Plugs CleaningClean AIR INTAKE/COOLING Areas MufflerTo Remove Mower See Fig Service and AdjustmentsTo Install Mower See Fig To Level Mower HousingBelt Removal To Adjust Brake See FigBelt Installation To Replace Mower Blade Drive Belt See FigFront Wheel TOE-IN/CAMBER Transmission REMOVAL/REPLACEMENTTo Adjust Steering Wheel Alignment To Replace Motion Drive Belt See FigTo Replace Headlight Bulb Interlocks and RelaysTo Replace Fuse To Adjust Throttle Control Cable See Fig To Adjust Carburetor See FigAcceleration Test Engine OIL StorageOther Fuel SystemProblem Cause Correction Troubleshooting PointsOFF Service Notes Wiring Insulated Clips SchematicIgnition Switch PTO SwitchElectrical 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 AssemblyLBD48 DecalsWheels & Tires LSB42Engine 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