Poulan PR20H42STC owner manual To Replace Mower Blade Drive Belt See Fig, To Adjust Brake See Fig

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SERVICE AND ADJUSTMENTS

TO REPLACE MOWER BLADE DRIVE BELT (See Fig. 23)

The mower blade drive belt may be replaced without tools. Park the tractor on level surface. Engage parking brake.

BELT REMOVAL -

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

•Work belt off both mandrel pulleys and idler pulleys.

•Pull belt away from mower.

BELT INSTALLATION -

•Install new belt in reverse order of removal.

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

•Install mower in reverse order of removal instructions.

IDLER

PULLEYS

MANDREL

PULLEYS

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 1-9/16", loosen jam nut and turn nut “A” until distance becomes 1-9/16". 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”

 

NUT

 

1-9/16"

“A”

JAM NUT

 

 

OPERATING

ARM

DO NOT TOUCH THIS NUT. IF FURTHER BRAKE ADJUST- MENT IS NECESSARY CONTACT YOUR NEAREST AUTHORIZED SERVICE CENTER/DEPARTMENT

FIG. 24

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.

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

•Remove belt from stationary idler and clutching idler.

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

•Pull belt toward front of tractor and remove downward from around engine pulley.

•Install new belt by reversing above procedure.

ENGINE

PULLEY

CLUTCHING

IDLER

STATIONARY

IDLER

TRANSMISSION

INPUT PULLEY

FIG. 25

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Contents PR20H42STC Safety Rules Safe Operation Practices for Ride-On MowersBecome ALERT!!! Your Safety is IN- Volved Table of Contents Steering Wheel Seat Unassembled PartsSlope Sheet HOW to SET UP Your Tractor AssemblyTools Required for Assembly To Remove Tractor from CAR- TONInstall Seat See Fig To SET UP Your Mower for MulchingCheck Deck Levelness To Convert to Bagging or DISCHARG- INGCheck Tire Pressure Check for Proper Position of ALL BeltsOperation Know Your Tractor HOW to USE Your Tractor To USE Throttle Control see FIGTo 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 General Recommendations Customer ResponsibilitiesBefore Each USE Tractor Engine Engine OIL Filter Clean AIR INTAKE/COOLING AreasCleaning MufflerTo Level Mower Housing Service and AdjustmentsTo Install Mower See Fig To Remove Mower See FigRecheck side-to-side adjustment To Replace Mower Blade Drive Belt See Fig To Adjust Brake See FigBelt Installation To Replace Motion Drive Belt See FigTo Adjust Steering Wheel Alignment Transmission REMOVAL/REPLACEMENTTransaxle Motion Control Lever Neutral Adjustment See Fig Front Wheel TOE-IN/CAMBERTo Replace Headlight Bulb To Start Engine with a Weak Battery See FigReplacing Battery See Figs To Attach Jumper CablesInterlocks and Relays To Adjust CarburetorTo Replace Fuse Fuel System StorageOther Engine OILTroubleshooting Points OFF Schematic Tractor - Model Number PR20H42STCElectrical 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 Decals Wheels and TiresOptional Equipment EngineSpark Arrester 170771 Control Throt Mower Deck Repair Parts Mower Lift 159460 Wire Asm Inner/Sprg W/plunger LT Limited Warranty Suggested Guide for Sighting Slopes for Safe Operation Sighting GuideParts and Service
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