Poulan 178112 owner manual Transmission REMOVAL/REPLACEMENT, To Adjust Steering Wheel Alignment

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SERVICE AND ADJUSTMENTS

TRANSMISSION REMOVAL/REPLACEMENT

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

TRANSAXLE MOTION CONTROL LEVER NEUTRAL ADJUSTMENT (See Fig. 26)

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

LOCK GATE

LEVER

 

 

ADJUSTMENT

 

BOLT

FIG. 26

TO ADJUST STEERING WHEEL ALIGNMENT

If steering wheel crossbars are not horizontal (left to right) when wheels are positioned straight forward, remove steer- ing wheel and reassemble per instructions in the Assembly section of this manual.

FRONT WHEEL TOE-IN/CAMBER

The front wheel toe-in and camber are not adjustable on your tractor. If damage has occurred to affect the front wheel toe- in or camber, contact your nearest authorized service center/department.

TO REMOVE WHEEL FOR REPAIRS (See Fig. 27)

Block up axle securely.

Remove axle cover, retaining ring and washers to allow wheel removal (rear wheel contains a square key - Do not lose).

Repair tire and reassemble.

On rear wheels only: align grooves in rear wheel hub and axle. Insert square key.

Replace washers and snap retaining ring securely in axle groove.

Replace axle cover.

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.

WASHERS

RETAINING

RING

AXLE COVER

SQUARE KEY

(REAR WHEEL ONLY)

FIG. 27

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Contents PR20H42STC Safe Operation Practices for Ride-On Mowers Safety RulesBecome ALERT!!! Your Safety is IN- Volved Table of Contents Slope Sheet Unassembled PartsSteering Wheel Seat To Remove Tractor from CAR- TON AssemblyTools Required for Assembly HOW to SET UP Your TractorTo SET UP Your Mower for Mulching Install Seat See FigCheck for Proper Position of ALL Belts To Convert to Bagging or DISCHARG- INGCheck Tire Pressure Check Deck LevelnessOperation Know Your Tractor To USE Throttle Control see FIG HOW to USE Your TractorTo Transport See Figs To Adjust Gauge Wheels See FigTo Operate Mower See Fig To Operate on HillsADD Gasoline Before Starting the EngineTowing Carts and Other ATTACH- Ments Check Engine OIL LevelPurge Transmission Mowing TipsMulching Mowing Tips Before Each USE Customer ResponsibilitiesGeneral Recommendations Tractor Engine Muffler Clean AIR INTAKE/COOLING AreasCleaning Engine OIL FilterTo Remove Mower See Fig Service and AdjustmentsTo Install Mower See Fig To Level Mower HousingRecheck side-to-side adjustment To Replace Motion Drive Belt See Fig To Adjust Brake See FigBelt Installation To Replace Mower Blade Drive Belt See FigFront Wheel TOE-IN/CAMBER Transmission REMOVAL/REPLACEMENTTransaxle Motion Control Lever Neutral Adjustment See Fig To Adjust Steering Wheel AlignmentTo Attach Jumper Cables To Start Engine with a Weak Battery See FigReplacing Battery See Figs To Replace Headlight BulbTo Replace Fuse To Adjust CarburetorInterlocks and Relays Engine OIL StorageOther Fuel SystemTroubleshooting Points OFF Tractor - Model Number PR20H42STC SchematicElectrical KEY Part Description Chassis Screw Hex Wshd 8-18 x 7/8 Drive 39 74760648 Bolt 175461 Steering Assembly KEY Part NO. NO.DESCRIPTION Seat Assembly Wheels and Tires DecalsSpark Arrester EngineOptional Equipment 170771 Control Throt Mower Deck Repair Parts Mower Lift 159460 Wire Asm Inner/Sprg W/plunger LT Limited Warranty Sighting Guide Suggested Guide for Sighting Slopes for Safe OperationParts and Service