Poulan 403444 manual Tractor, Blade Removal See Fig, To Sharpen Blade See Fig

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MAINTENANCE

TRACTOR

Always observe safety rules when performing any main- tenance.

BRAKE OPERATION

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

TIRES

•Maintain proper air pressure in all tires (See“PRODUCT SPECIFICATIONS” section of this manual).

•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 fl at 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 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 fi rst 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 seat should shut off the engine.

•The attachment clutch should never operate unless the operator is in the seat.

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.

ROS "ON" POSITION

ENGINE "ON" POSITION

 

(NORMAL OPERATING)

828

BLADE CARE

For best results mower blades must be kept sharp. Replace 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.

BLADE REMOVAL (See Fig. 9)

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

•Remove blade bolt, lock washer and flat washer securing blade.

•Install new or resharpened blade with trailing edge up towards deck as shown.

IMPORTANT: TO ENSURE PROPER ASSEMBLY, CENTER HOLE IN BLADE MUST ALIGN WITH STAR ON MANDREL ASSEMBLY.

•Reassemble blade bolt, lock washer and fl at washer in exact order as shown.

•Tighten blade bolt securely (27-35 Ft. Lbs. torque).

IMPORTANT: BLADE BOLT IS HEATTREATED.IF BOLT NEEDS REPLACING, REPLACE ONLY WITH APPROVE BOLT SHOWN IN THE REPAIR PARTS.

TRAILING EDGE UP

 

BLADE

CENTER

 

 

HOLE

FLAT

MANDREL

WASHER

ASSEMBLY

LOCK

 

WASHER

STAR

BLADE BOLT

FIG. 9

TO SHARPEN BLADE (See Fig. 10)

NOTE: We do not recommend sharpening blade - but if you do, be sure the blade is balanced.

Care should be taken to keep the blade balanced. An un- balanced blade will cause excessive vibration and eventual damage to mower and engine.

•The blade can be sharpened with a fi le or on a grind- ing wheel. Do not attempt to sharpen while on the mower.

•To check blade balance, you will need a 5/8" diameter steel bolt, pin, or a cone balancer. (When using a cone balancer, follow the instructions supplied with balancer).

NOTE: Do not use a nail for balancing blade. The lobes of the center hole may appear to be centered, but are not.

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Contents HD20H42 Always Wear EYE Protection During OperationSafety Rules Safe Operation Practices for Ride-On MowersGeneral Operation II. Slope OperationService General ServiceIII. Children IV. TowingTable of Contents Steering Wheel Seat Unassembled PartsSlope Sheet Assembly Tools Required for AssemblyTo Remove Tractor from Carton Before Removing Tractor from SkidCheck Battery See Fig Check Tire Pressure Check Deck LevelnessCheck for Proper Position of ALL Belts Check Brake SystemOperation Know Your Tractor HOW to USE Your Tractor Using the Reverse Operation System To Operate Mower See FigReverse Operation System ROS To Operate on HillsBefore Starting the Engine Check Engine OIL LevelADD Gasoline To Start Engine See FigMowing Tips Purge TransmissionMaintenance Lubrication ChartGeneral Recommendations Before Each USEBlade Removal See Fig TractorTo Sharpen Blade See Fig Engine Cleaning Service and Adjustments To Install Mower See FigTo Level Mower Housing To Remove Mower See FigTo Replace Mower Blade Drive Belt See Fig Belt InstallationBelt Removal To Check and Adjust Brake See Fig Transaxle Motion Control Lever Neutral Adjustment See FigTo Adjust Brake To Replace Motion Drive Belt See FigTransmission REMOVAL/REPLACEMENT To Adjust Steering Wheel ALIGN- MentTo Start Engine with a Weak Battery See Fig Front Wheel TOE-IN/CAMBERTo Adjust Throttle Control Cable To Adjust Choke ControlTo Adjust Carburetor To Replace Headlight BulbStorage OtherFuel System Engine OILTroubleshooting Points Problem Cause CorrectionEngine dies when Limited Warranty Policy Suggested Guide for Sighting Slopes for Safe Operation Only Ride UP and Down Hill Not Across Hill Degrees MAXParts and Service

403444 specifications

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