Husqvarna 960430120 owner manual Troubleshooting Points, Problem Cause Correction

Page 25

TROUBLESHOOTING POINTS

PROBLEM

CAUSE

CORRECTION

Will not start

1.

Out of fuel.

1.

Fill fuel tank.

 

2.

Engine not “CHOKED” properly.

2.

See “TO START ENGINE” in Operation section.

 

3.

Engine flooded.

3.

Wait several minutes before attempting to start.

 

4.

Bad spark plug.

4.

Replace spark plug.

 

5.

Dirty air filter.

5.

Clean/replace air filter.

 

6.

Dirty fuel filter.

6.

Replace fuel filter.

 

7.

Water in fuel.

7.

Empty fuel tank and carburetor, refill tank with fresh

 

 

 

 

gasoline and replace fuel filter.

 

8.

Loose or damaged wiring.

8.

Check all wiring.

 

9.

Carburetor out of adjustment.

9.

See “To Adjust Carburetor” in Service Adjustments

 

 

 

 

section.

 

10.

Engine valves out of adjustment.

10.

Contact an authorized service center/department.

 

 

 

 

 

Hard to start

1.

Dirty air filter.

1.

Clean/replace air filter.

 

2.

Bad spark plug.

2.

Replace spark plug.

 

3.

Weak or dead battery.

3.

Recharge or replace battery.

 

4.

Dirty fuel filter.

4.

Replace fuel filter.

 

5.

Stale or dirty fuel.

5.

Empty fuel tank and refill tank with fresh, clean gas.

 

6.

Loose or damaged wiring.

6.

Check all wiring.

 

7.

Carburetor out of adjustment.

7.

See “To Adjust Carburetor” in Service Adjustments

 

 

 

 

section.

 

8.

Engine valves out of adjustment.

8.

Contact an authorized service center/department.

 

 

 

 

 

Engine will not

1.

Brake pedal not depressed.

1.

Depress brake pedal.

turn over

2.

Attachment clutch is engaged.

2.

Disengage attachment clutch.

 

3.

Weak or dead battery.

3.

Recharge or replace battery.

 

4.

Blown fuse.

4.

Replace fuse.

 

5.

Corroded battery terminals.

5.

Clean battery terminals.

 

6.

Loose or damaged wiring.

6.

Check all wiring.

 

7.

Faulty ignition switch.

7.

Check/replace ignition switch.

 

8.

Faulty solenoid or starter.

8.

Check/replace solenoid or starter.

 

9.

Faulty operator presence switch(es).

9.

Contact an authorized service center/department.

 

 

 

 

 

Engine clicks but

1.

Weak or dead battery.

1.

Recharge or replace battery.

will not start

2.

Corroded battery terminals.

2.

Clean battery terminals.

 

3.

Loose or damaged wiring.

3.

Check all wiring.

 

4.

Faulty solenoid or starter.

4.

Check/replace solenoid or starter.

 

 

 

 

 

Loss of power

1.

Cutting too much grass/too fast.

1.

Raise cutting height/reduce speed.

 

2.

Throttle in “CHOKE” position.

2.

Adjust throttle control.

 

3.

Build-up of grass, leaves, trash under mower.

3. Clean underside of mower housing.

 

4.

Dirty air filter.

4.

Clean/replace air filter.

 

5.

Low oil level/dirty oil.

5.

Check oil level/change oil.

 

6.

Faulty spark plug.

6.

Clean and regap or change spark plug.

 

7.

Dirty fuel filter.

7.

Replace fuel filter.

 

8.

Stale or dirty fuel.

8.

Empty fuel tank and refill tank with fresh, clean gas.

 

9.

Water in fuel.

9.

Empty fuel tank and carburetor, refill tank with fresh

 

 

 

 

gasoline and replace fuel filter.

 

10.

Spark plug wire loose.

10.

Connect and tighten spark plug wire.

 

11.

Dirty engine air screen/fins.

11.

Clean engine air screen/fins.

 

12.

Dirty/clogged muffler.

12.

Clean/replace muffler.

 

13.

Loose or damaged wiring.

13.

Check all wiring.

 

14.

Carburetor out of adjustment.

14.

See “To Adjust Carburetor” in Service Adjustments

 

15.

Engine valves out of adjustment.

15.

Contact an authorized service center/department.

 

 

 

 

 

Excessive

1.

Worn, bent or loose blade.

1.

Replace blade. Tighten blade bolt.

vibration

2.

Bent blade mandrel.

2.

Replace blade mandrel.

 

3.

Loose/damaged part(s).

3.

Tighten loose part(s). Replace damaged parts.

 

 

 

 

 

25

Image 25
Contents YTH21K46 Safe Operation Practices for Ride-On Mowers Safety RulesGeneral Operation II. Slope OperationGeneral Service ServiceIII. Children IV. TowingTable of Contents Tools Required for Assembly AssemblyUnassembled Parts ToremovetractorfromcartonCheck Deck Levelness Check Tire PressureCheck for Proper Position of ALL Belts Check Brake SystemOperation Know Your Tractor To SET Parking Brake See Fig HOW to USE Your TractorStopping See Fig To USE Throttle Control D See FigTo Adjust Gauge Wheels See Fig To Adjust Mower Cutting Height See FigTo Move Forward and Backward See Fig To USE Cruise Control J See FigUsing the Reverse Operation System Service REMINDER/HOUR MeterReverse Operation System ROS See Fig To Operate on HillsCheck Engine OIL Level Before Starting the EngineADD Gasoline To Start Engine See FigPurge Transmission Mowing TipsMaintenance MaintenanceGeneral Recommendations ScheduleTractor BatteryBlade Care Blade Removal See FigEngine Spark Plugs CleaningIN-LINE Fuel Filter See Fig Deck Washout Port See FigTo Install Mower See Fig Service and AdjustmentsTo Remove Mower See Fig Install belt on engine pulley M, in belt keepers G To Level Mower Visual SIDE-TO-SIDE Adjustment See FigTo Replace Mower Blade Drive Belt See Fig Belt InstallationTo Check Brake To Replace Motion Drive Belt See FigReplacing Battery See Fig To Start Engine with a Weak Battery See FigFront Wheel TOE-IN/CAMBER To Remove Wheel for Repairs See FigTransmission Other StorageFuel System Engine OILProblem Cause Correction Troubleshooting PointsEngine continues Tractor - Model Number YTH21K46 96045002901, Product no 45 SchematicTractor - Model Number YTH21K46 96045002901, Product no 45 KEY Part Description ElectricalChassis Tractor - Model Number YTH21K46 96045002901, Product no 45 Drive Tractor - Model Number YTH21K46 96045002901, Product no 45 Engine Spark Arrester KITTractor - Model Number YTH21K46 96045002901, Product no 45 Steering Assembly Tractor - Model Number YTH21K46 96045002901, Product no 45 Mower Deck KEY Part NO. no Description 100 101 Mower Lift532 43 Seat Seat AssemblyWheels and Tires DecalsSuggested Guide for Sighting Slopes for Safe Operation 05.18.11 CL