Husqvarna YTH18542 owner manual Engine dies when

Page 26

TROUBLESHOOTING POINTS

PROBLEM

CAUSE

CORRECTION

 

 

 

 

 

Engine dies when

1.

Reverse operation system

1.

Turn ignition key to

tractor is shifted

 

(ROS) is not "ON" while

 

ROS "ON" position.

into reverse

 

mower or other attachment

 

See Operation section.

 

 

is engaged.

 

 

 

 

 

 

 

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.

Light switch is “OFF”.

1.

Turn light switch “ON”.

(if so equipped)

2.

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

2.

Replace bulb(s) or lamp(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” when

1.

Engine throttle control not set between half and

1.

Move throttle control between half and full speed

turning engine “OFF”

 

full speed (fast) position before stopping engine.

 

(fast) position before stopping engine.

 

 

 

 

 

26

Image 26
Contents 917.279060 General Operation Safety RulesSafe Operation Practices for Ride-On Mowers II. Slope OperationIV. Towing ServiceIII. Children Table of Contents Seat Unassembled PartsSteering Wheel To Remove Tractor from Carton AssemblyTools Required for Assembly Before Removing Tractor from SkidCheck Battery See Fig Check for Proper Position of ALL Belts Check Tire PressureCheck Deck Levelness Check Brake SystemOperation Know Your Tractor HOW to USE Your Tractor Reverse Operation System ROS To Adjust Gauge Wheels See FigTo Operate Mower See Fig To Operate on HillsCheck Engine OIL Level Before Starting the EngineTo Transport See Figs ADD GasolineAutomatic Transmission Warm UP Mowing TipsPurge Transmission General Recommendations MaintenanceLubrication Chart Before Each USETo Sharpen Blade See Fig TractorBlade Removal See Fig Check Operator Presence SystemEngine Cleaning To Level Mower Housing Service and AdjustmentsTo Install Mower See Fig To Remove Mower See FigBelt Removal Belt InstallationTo Replace Mower Blade Drive Belt See Fig See Fig To Check and Adjust BrakeTransaxle Motion Control Lever Neutral Adjustment See Fig To Replace Motion Drive Belt See FigTo Start Engine with a Weak Battery See Fig Transmission REMOVAL/REPLACEMENTTo Adjust Steering Wheel ALIGN- Ment Front Wheel TOE-IN/CAMBER To Adjust Carburetor To Adjust Throttle Control Cable To Adjust Choke Control To Replace Headlight BulbFuel System StorageOther Engine OILTroubleshooting Points Engine dies when Schematic TRACTOR-MODEL Number YTH18542 917.279060, Product no 13Electrical KEY Part NO. NO. Description Chassis TRACTOR-MODEL Number YTH18542 917.279060, Product no 13 Drive TRACTOR-MODEL Number YTH18542 917.279060, Product no 13 Steering Assembly TRACTOR-MODEL Number YTH18542 917.279060, Product no 13 Engine Optional EquipmentMower Lift 1331Seat Assembly Decals Wheels and TiresMower Deck TRACTOR-MODEL Number YTH18542 917.279060, Product no 13 Suggested Guide for Sighting Slopes for Safe Operation Only Ride UP and Down Hill Not Across Hill Degrees MAXWarranty Statement 532 19 58-63 Rev 3.18.05 RD
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