Poulan PR20PH42STC owner manual To Adjust Brake See Fig, To Replace Motion Drive Belt See Fig

Page 22

SERVICE AND ADJUSTMENTS

BELT INSTALLATION -

•Work belt around both mandrel pulleys and idler pulleys.

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

•Install mower (See "To Install Mower" in this section of manual).

MANDREL

IDLER PULLEYS

 

PULLEY

 

MANDREL

PULLEY

FIG. 23

TO ADJUST BRAKE (See Fig. 24)

Your tractor is equipped with an adjustable brake system which is mounted on the side of the transaxle.

If tractor requires more than six (6) feet stopping distance at high speed in highest gear on a level dry concrete or paved surface, then brake must be adjusted.

•Depress clutch/brake pedal and engage parking brake.

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

•If distance is other than 1-3/4", loosen jam nut and turn nut “A” until distance becomes 1-3/4". Retighten jam nut against nut “A”.

•Road test tractor for proper stopping distance as stated above. Readjust if necessary. If stopping distance is still greater than six (6) feet in highest gear, further maintenance is necessary. Contact your nearest au- thorized service center/department.

WITH PARKING BRAKE “ENGAGED”

1-3/4"

NUT “A”

JAM NUT

OPERATING

ARM

DO NOT TOUCH THIS NUT. IF FURTHER BRAKE ADJUSTMENT IS NECESSARY CONTACT YOUR NEAR- EST AUTHORIZED SERVICE CENTER/DEPARTMENT

TO REPLACE MOTION DRIVE BELT (See Fig. 25)

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.

•Disconnect clutch wire harness.

•Remove clutch locator.

•Remove belt from stationary idler and clutching idler.

•Remove belt downward from engine pulley and around electric clutch.

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

•Remove belt from center span keeper and pull belt away from tractor.

BELT INSTALLATION -

•Carefully work new belt down around transmission cool- ing fan and onto the input pulley.

•Slide belt into the center span keeper.

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

•Install belt through stationary idler and clutching idler.

•Reinstall clutch locator and tighten nut securely.

•Reconnect clutch harness.

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

•Install mower (See “TO INSTALL MOWER” in this section of manual).

ELECTRIC

CLUTCH LOCATOR

CLUTCH

 

CLUTCHING

IDLER

STATIONARY

IDLER

CENTER SPAN

KEEPER

TRANSMISSION

CLUTCH

INPUT PULLEY

WIRE

 

HARNESS

FIG. 25

FIG. 24

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Contents PR20PH42STC Safe Operation Practices for Ride-On Mowers Safety Rules Table of Contents Keys Unassembled PartsSteering Wheel Seat Slope SheetHOW to SET UP Your Tractor AssemblyTools Required for Assembly To Remove Tractor from CartonInstall Seat See Fig Assemble Gauge Wheels to Mower Deck See Fig To SET UP Your Mower for MulchingInstall Mulcher Plate See Fig To Convert to Bagging or DischargingCheck for Proper Position of ALL Belts Check Tire PressureCheck Mower Levelness Check Brake SystemOperation Know Your Tractor To Move Forward and Backward HOW to USE Your TractorTo USE Cruise Control To Operate on Hills To Adjust Gauge Wheels See FigTo Operate Mower See Fig To Transport See FigsCheck Engine OIL Level Before Starting the EngineTowing Carts and Other ATTACH- Ments ADD GasolineMowing Tips Purge TransmissionMulching Mowing Tips Customer Responsibilities Service DatesLubrication Chart General RecommendationsTractor Engine Spark Plugs CleaningMuffler Engine OIL FilterTo Install Mower See Fig Service and AdjustmentsTo Remove Mower See Fig To Replace Mower Blade Drive Belt See Fig To Level Mower HousingBelt Removal Belt Installation To Adjust Brake See FigTo Replace Motion Drive Belt See Fig To Adjust Steering Wheel Alignment Transmission REMOVAL/REPLACEMENTFront Wheel TOE-IN/CAMBER Interlocks and Relays To Replace Headlight BulbTo Replace Fuse To Adjust Carburetor Fuel System StorageOther Engine OILTroubleshooting Points Problem Cause CorrectionOFF Wiring Insulated Clips PTO Switch SchematicIgnition Switch Tractor Model Number PR20PH42STC, Product no 56Electrical KEY Part Description Chassis and Enclosures Bracket Fender Drive 178062 Steering Assembly KEY Part NO. NO. Description 170162Engine Optional EquipmentSeat Assembly Decals Wheels & TiresMower Lift Mower Deck 177563 Service Notes Service Notes Limited Warranty Suggested Guide for Sighting Slopes for Safe Operation Only Ride UP and Down Hill Not Across Hill Degrees MAXParts and Service
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