Poulan 407139 owner manual To Replace Motion Drive Belt See Fig, Transmission REMOVAL/REPLACEMENT

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SERVICE AND ADJUSTMENTS

The rear wheels must lock and skid when you try to manually push the tractor forward. If the rear wheels rotate, the brake needs to be adjusted or the pads need to be replaced.

TO ADJUST BRAKE

Depress clutch/brake pedal all the way down and en- gage parking brake.

Measure distance between brake operating arm and nut “A” on brake rod.

If distance is other than 1-9/16", loosen jam nut and turn nut “A” until distance becomes 1-9/16". Retighten jam nut against nut “A”.

Engage transmission by placing freewheel control in “transmission engaged” position.

Road test tractor for proper stopping distance as stated above. Readjust if necessary. If stopping distance is still greater than fi ve (5) feet in highest gear, further maintenance is necessary. Replace brake pads or contact a qualified service center.

WITH PARKING BRAKE “ENGAGED”

1-9/16"

NUT “A”

OPERATING

ARM

JAM NUT

02232_Hydro

DO NOT TOUCH THIS NUT. IF FURTHER BRAKE ADJUSTMENT IS NECESSARY CONTACT YOUR NEAREST AUTHORIZED SER- VICE CENTER/DEPARTMENT

FIG. 30

TO REPLACE MOTION DRIVE BELT (See Fig. 31)

Park the tractor on level surface. Engage parking brake. For assistance, there is a belt installation guide decal on bottom side of left footrest.

BELT REMOVAL -

Remove mower (See “TO REMOVE MOWER” in this section of manual).

NOTE: Observe entire motion drive belt and position of all belt guides and keepers.

Remove clutch locator.

Remove belt from clutching idler and all stationary idlers.

Remove belt downward from engine pulley and around clutch.

Pull belt slack toward rear of tractor. Carefully remove belt upwards from transmission input pulley and over cooling fan blades.

BELT INSTALLATION -

Carefully work new belt down around transmission cooling fan and onto the input pulley.

Pull belt toward front of tractor and roll belt around clutch and onto engine pulley.

Install belt through all stationary idlers and clutching idler.

Reinstall clutch locator and tighten nut securely.

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Make sure belt is in all pulley grooves and inside all belt guides and keepers.

Install mower (See “TO INSTALL MOWER” in this sec- tion of manual).

CLUTCH

CLUTCHING

IDLER

STATIONARY

IDLER

FAN

CLUTCH

LOCATOR

02379

FIG. 31

TRANSMISSION REMOVAL/REPLACEMENT

Should your transmission require removal for service or replacement, it should be purged after reinstallation and before operating the tractor. See“PURGETRANSMISSION” in the Operation section of this manual.

TRANSAXLE MOTION CONTROL LEVER NEUTRAL ADJUSTMENT(See Fig. 32)

The motion control lever has been preset at the factory and adjustment should not be necessary.

Loosen adjustment bolt in front of the right rear wheel, and lightly tighten.

Start engine and move motion control lever until tractor does not move forward or backward.

Hold motion control lever in that position and turn engine off.

While holding motion control lever in place, loosen the adjustment bolt.

Move motion control lever to the neutral (N) (lock gate) position.

Tighten adjustment bolt securely.

NOTE: If additional clearance is needed to get to adjustment bolt, move mower deck height to the lowest position.

After above adjustment is made, if the tractor still creeps forward or backward while motion control lever is in neutral position, follow these steps:

Loosen the adjustment bolt.

Move the motion control lever 1/4 to 1/2 inch in the direction it is trying to creep.

Tighten adjustment bolt securely.

Start engine and test.

If tractor still creeps, repeat above steps until satisfied.

MOTION CONTROL

NEUTRAL

LEVER

LOCK

 

GATE

 

ADJUSTMENT

 

BOLT

FIG. 32

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Contents PP16H36RB Always Wear EYE Protection During OperationSafety Rules Safe Operation Practices for Ride-On MowersGeneral Operation II. Slope OperationService III. ChildrenIV. Towing Table of Contents Battery Unassembled PartsSteering Wheel Seat KeyAssembly Tools Required for AssemblyTo Remove Tractor from Carton Before Removing Tractor from SkidInstall Seat See Fig To Install Bagger Components to Tractor See Figs A-4D To Assemble Bagger See Figs A-5CBagger Adjustment See Horizontal AdjustmentVertical Adjustment To Assemble and Install Mulcher Plug See FigCheck Tire Pressure Check Deck LevelnessCheck for Proper Position of ALL Belts Check Brake SystemOperation Know Your Tractor HOW to USE Your Tractor Reverse Operation System ROS To Operate Mower See FigTo Operate on Hills To Transport See FigsService REMINDER/HOUR Meter Before Starting the EngineCheck Engine OIL Level ADD GasolineMowing Tips Purge TransmissionMulching Mowing Tips NingTo Dump Bagger See To Convert Mower See FigBagging see Fig Maintenance Lubrication ChartTractor Star Pattern Blade See FigCheck Operator Presence System Check Reverse Operation ROS SystemEngine Cleaning Service and Adjustments To Install Mower See FigTo Level Mower Housing To Remove Mower See FigTo Check and Adjust Brake See Fig Belt InstallationTo Replace Mower Blade Drive Belt See Fig Belt RemovalTransmission REMOVAL/REPLACEMENT Transaxle Motion Control Lever Neutral ADJUSTMENTSee FigTo Adjust Brake To Replace Motion Drive Belt See FigTo Adjust Steering Wheel Alignment To Adjust Throttle Control CableTo Adjust Carburetor Front Wheel TOE-IN/CAMBERStorage OtherFuel System Engine OILTroubleshooting Points With attachment clutch Repair Parts SchematicElectrical KEY Part Description Chassis and Enclosures 278Repair Parts Drive Bracket Pulley Steering Assembly 532 19 Steering Wheel Seat Assembly 532 18 SeatDecals Wheels & TiresEngine Repair Parts Mower 532 16 Mower Lift Bagger Repair Parts Suggested Guide for Sighting Slopes for Safe Operation Only Ride UP and Down Hill Not Across Hill Degrees MAXParts and Service