Husqvarna 960430120 owner manual Engine continues

Page 26

TROUBLESHOOTING POINTS

 

PROBLEM

CAUSE

CORRECTION

 

Engine continues

1.

Faulty operator-safety presence control

1.

Check wiring, switches and connections. If not

 

to run when oper-

 

system.

 

corrected, contact an authorized service center/

 

ator leaves seat

 

 

 

department.

 

 

 

 

 

 

 

with attachment

 

 

 

 

 

 

clutch 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, trash under mower.

3.

Clean underside of mower housing.

 

 

4.

Bent blade mandrel.

4.

Replace blade mandrel.

 

 

5.

Clogged mower deck vent holes from

5.

Clean around mandrels to open vent holes.

 

 

 

buildup of grass, leaves, and trash around

 

 

 

 

 

 

mandrels.

 

 

 

 

Mower blades will

1.

Obstruction in clutch mechanism.

1.

Remove obstruction.

 

 

not 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

1.

Engine speed too slow.

1.

Place throttle control in “FAST” position.

 

 

discharge

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 blade. Tighten blade bolt.

 

 

7.

Buildup of grass, leaves, 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 parts manual.

 

 

11.

Clogged mower deck vent holes from buildup

11.

Clean around mandrels to open vent holes.

 

 

 

of grass, leaves, trash around mandrels.

 

 

 

 

Headlight(s) not

1.

Switch is “OFF”.

1.

Turn switch “ON”.

 

 

working

2.

Bulb(s) or lamp(s) burned out.

2.

Replace bulb(s) or lamp(s).

 

(if so equipped)

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

1.

Bad battery cell(s).

1.

Replace battery.

 

 

charge

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.

Debris on steering plate (if equipped).

2.

See "CLEANING" in the maintenance section.

 

 

3.

Motion drive belt worn, damaged, or broken.

3.

Replace motion drive belt.

 

 

4.

Air trapped in transmission during

4.

Purge transmission.

 

 

 

shipment or servicing.

 

 

 

 

 

5.

Axle key missing.

5.

Install axle key at rear wheel. See "TO REMOVE

 

 

 

 

 

WHEEL" in the Service and Adjustments section.

 

 

 

 

 

 

 

 

Engine "back-

1.

Engine throttle control not set between

1.

Move throttle control between half and full speed

 

 

fires” when turn-

 

half and full speed (fast) position before

 

(fast) position before stopping engine.

 

 

stopping engine.

 

 

 

 

ing engine “OFF”

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Engine dies when

1.

Reverse operation system (ROS) is not "ON"

1.

Turn ignition key to ROS "ON" position. See

 

 

tractor is shifted

 

while mower or other attachment is engaged.

 

Operation section.

 

into reverse

 

 

 

 

 

26

Image 26
Contents YTH21K46 General Operation Safety RulesSafe Operation Practices for Ride-On Mowers II. Slope OperationIII. Children ServiceGeneral Service IV. TowingTable of Contents Unassembled Parts AssemblyTools Required for Assembly ToremovetractorfromcartonCheck for Proper Position of ALL Belts Check Tire PressureCheck Deck Levelness Check Brake SystemOperation Know Your Tractor Stopping See Fig HOW to USE Your TractorTo SET Parking Brake See Fig To USE Throttle Control D See FigTo Move Forward and Backward See Fig To Adjust Mower Cutting Height See FigTo Adjust Gauge Wheels See Fig To USE Cruise Control J See FigReverse Operation System ROS See Fig Service REMINDER/HOUR MeterUsing the Reverse Operation System To Operate on HillsADD Gasoline Before Starting the EngineCheck Engine OIL Level To Start Engine See FigMowing Tips Purge TransmissionGeneral Recommendations MaintenanceMaintenance ScheduleBlade Care BatteryTractor Blade Removal See FigEngine IN-LINE Fuel Filter See Fig CleaningSpark Plugs Deck Washout Port See FigTo Remove Mower See Fig Service and AdjustmentsTo Install Mower See Fig Install belt on engine pulley M, in belt keepers G Visual SIDE-TO-SIDE Adjustment See Fig To Level MowerTo Check Brake Belt InstallationTo Replace Mower Blade Drive Belt See Fig To Replace Motion Drive Belt See FigFront Wheel TOE-IN/CAMBER To Start Engine with a Weak Battery See FigReplacing Battery See Fig To Remove Wheel for Repairs See FigTransmission Fuel System StorageOther Engine OILTroubleshooting Points Problem Cause CorrectionEngine continues Schematic Tractor - Model Number YTH21K46 96045002901, Product no 45Tractor - Model Number YTH21K46 96045002901, Product no 45 Electrical KEY Part DescriptionChassis Tractor - Model Number YTH21K46 96045002901, Product no 45 Drive Tractor - Model Number YTH21K46 96045002901, Product no 45 Spark Arrester KIT EngineTractor - Model Number YTH21K46 96045002901, Product no 45 Steering Assembly Tractor - Model Number YTH21K46 96045002901, Product no 45 Mower Deck KEY Part NO. no Description Mower Lift 100 101Seat Assembly 532 43 SeatDecals Wheels and TiresSuggested Guide for Sighting Slopes for Safe Operation 05.18.11 CL