Husqvarna YTH20K46 owner manual Tractor, Brake Operation, Blade Care, Tires, Battery

Page 15

MAINTENANCE

TRACTOR

Always observe safety rules when performing any main- tenance.

BRAKE OPERATION

If tractor requires more than five (5) feet to stop at highest speed in highest gear on a level, dry concrete or paved surface, then brake must be serviced. (See “TO CHECK BRAKE” in the Service and Adjustments section of this manual).

BLADE CARE

For best results mower blades must be sharp. Replace worn, bent or damaged blades.

CAUTION: Use only a replacement blade approved by the manufacturer of your tractor. Using a blade not approved by the manufacturer of your tractor is hazardous, could damage your tractor and void your warranty.

TIRES

•Maintain proper air pressure in all tires (See PSI on tires).

•Keep tires free of gasoline, oil, or insect control chemi- cals which can harm rubber.

•Avoid stumps, stones, deep ruts, sharp objects and other hazards that may cause tire damage.

NOTE: To seal tire punctures and prevent flat tires due to slow leaks, tire sealant may be purchased from your local parts dealer. Tire sealant also prevents tire dry rot and corrosion.

OPERATOR PRESENCE SYSTEM AND REVERSE OP- ERATION SYSTEM (ROS)

Be sure operator presence and reverse operation systems are working properly. If your tractor does not function as

BLADE REMOVAL (See Fig. 14)

•Raise mower to highest position to allow access to blades.

NOTE: Protect your hands with gloves and/or wrap blade with heavy cloth.

•Remove blade bolt by turning counterclockwise.

•Install new blade with stamped "GRASS SIDE" facing the ground.

IMPORTANT: To ensure proper assembly, center hole in blade must align with star on mandrel assembly.

•Install and tighten blade bolt securely (45-55 Ft. Lbs. torque).

IMPORTANT: Special blade bolt is heat treated.

described, repair the problem immediately.

•The engine should not start unless the brake pedal is fully depressed, and the attachment clutch control is in the disengaged position.

CHECK OPERATOR PRESENCE SYSTEM

•

When the engine is running, any attempt by the operator

 

to leave the seat without first setting the parking brake

 

should shut off the engine.

•

When the engine is running and the attachment clutch

 

is engaged, any attempt by the operator to leave the

 

STAR

BLADE

CENTER

HOLE

 

BLADE BOLT

 

(SPECIAL)

 

02544

MANDREL ASSEMBLY

seat should shut off the engine.

• The attachment clutch should never operate unless

the operator is in the seat.

ROS "ON" Position

Engine "ON" Position

(Normal Operating)

 

02828

FIG. 13

CHECK REVERSE OPERATION (ROS) SYSTEM

•When the engine is running with the ignition switch in the engine "ON" position and the attachment clutch engaged, any attempt by the operator to shift into reverse should shut off the engine.

•When the engine is running with the ignition switch in the ROS "ON" position and the attachment clutch en- gaged, any attempt by the operator to shift into reverse should NOT shut off the engine.

15

FIG. 14

BATTERY

Your tractor has a battery charging system which is sufficient for normal use. However, periodic charging of the battery with an automotive charger will extend its life.

•Keep battery and terminals clean.

•Keep battery bolts tight.

•Keep small vent holes open.

•Recharge at 6-10 amperes for 1 hour.

NOTE: The original equipment battery on your tractor is maintenance free. Do not attempt to open or remove caps or covers. Adding or checking level of electrolyte is not necessary.

TO CLEAN BATTERY AND TERMINALS

Corrosion and dirt on the battery and terminals can cause the battery to “leak” power.

•Remove terminal guard.

•Disconnect BLACK battery cable first then RED bat- tery cable and remove battery from tractor.

•Rinse the battery with plain water and dry.

•Clean terminals and battery cable ends with wire brush until bright.

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Contents YTH20K46 II. Slope Operation Safety RulesSafe Operation Practices for Ride-On Mowers General OperationIV. Towing ServiceGeneral Service III. ChildrenTable of Contents Unpack Carton AssemblyUnassembled Parts To Remove Tractor from CartonCheck Brake System Check Tire PressureCheck Deck Levelness Check for Proper Position of ALL BeltsOperation Know Your Tractor HOW to USE Your Tractor To Operate Mower To Adjust Mower Cutting Height See FigTo Adjust Gauge Wheels See Fig System CharacteristicsCheck Engine OIL Level Service REMINDER/HOUR MeterBefore Starting the Engine To Operate on HillsTo Start Engine See Fig Purge TransmissionAutomatic Transmission Warm UP Mowing Tips Lubrication Chart MaintenanceBlade Care BatteryTractor Brake OperationEngine IN-LINE Fuel Filter See Fig CleaningMuffler Spark PlugsService and Adjustments To Install Mower See FigTo Remove Mower See Fig ALL Mower Pulley Grooves Important Check Belt for Proper RoutingTo Level Mower TOREPLACEMOTIONDRIVEBELTSeeFig.28 To Replace Mower Drive Belt See FigTo Remove Wheel for Repairs See Fig To Start Engine with a Weak Battery See FigTo Check Brake Front Wheel TOE-IN/CAMBERTo Replace Headlight Bulb To Adjust Throttle Control CableTo Adjust Choke Control To Adjust CarburetorEngine OIL StorageOther Fuel SystemProblem Cause Correction Troubleshooting PointsEngine dies when Tractor - Model Number YTH20K46 96043003301, Product no 43 SchematicElectrical KEY Part Description Chassis Tractor - Model Number YTH20K46 96043003301, Product no 43 Drive KEY Part NO. NO. Description Steering Assembly Engine 30!2+ª!22%34%2ª+4532 19 Seat Seat AssemblyWheels and Tires DecalsMower Deck 532 19 100 Mower LiftOnly Ride UP and Down Hill Not Across Hill Degrees MAX Suggested Guide for Sighting Slopes for Safe OperationService Notes Service Notes 532 41 91-66 Rev 10.09.08 SBW
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YTH20K46 specifications

The Husqvarna YTH20K46 is a premier riding lawn mower designed for homeowners who seek efficiency, durability, and ease of use while maintaining their lawn. This versatile machine combines power and performance with advanced technologies, making it a reliable choice for various landscaping tasks.

One of the standout features of the YTH20K46 is its robust 20 HP Kohler engine, which provides ample power to handle even the toughest mowing conditions. The engine's design focuses on durability and efficiency, ensuring that users can tackle their larger lawns with ease and minimal maintenance. This riding mower is equipped with a 46-inch cutting deck, allowing for wide mowing swathes that significantly reduce mowing time while delivering an exceptional cut quality.

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