Poulan 178112 Service and Adjustments, To Remove Mower See Fig, To Install Mower See Fig

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SERVICE AND ADJUSTMENTS

CAUTION: BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS:

Depress clutch/brake pedal fully and set parking brake.

Place motion control lever in neutral (N) position.

Place attachment clutch in “DISENGAGED” position.

Turn ignition key “OFF” and remove key.

Make sure the blades and all moving parts have completely stopped.

Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with plug.

TRACTOR

TO REMOVE MOWER (See Fig. 18)

Mower will be easier to remove from the right side of tractor.

Place attachment clutch in “DISENGAGED” position.

Move attachment lift lever forward to lower mower to its lowest position.

Roll belt off engine pulley.

Remove small retainer spring, and lift clutch spring off pulley bolt.

Remove large retainer spring, slide collar off and push housing guide out of bracket.

Disconnect anti-swaybar from chassis bracket by re- moving retainer spring.

Disconnect suspension arms from rear deck brackets by removing retainer springs.

Disconnect front links from deck by removing retainer springs.

Raise lift lever to raise suspension arms. Slide mower out from under tractor.

IMPORTANT: IF AN ATTACHMENT OTHER THAN THE MOWER DECK IS TO BE MOUNTED ON THE TRACTOR, REMOVE THE FRONT LINKS AND HOOK THE CLUTCH SPRING INTO SQUARE HOLE IN FRAME.

TO INSTALL MOWER (See Fig. 18)

Raise attachment lift lever to its highest position.

Slide mower under tractor with discharge guard to right side of tractor.

Lower lift lever to its lowest position.

Install mower in reverse order of removal instructions.

TO LEVEL MOWER HOUSING

Adjust the mower while tractor is parked on level ground or driveway. Make sure tires are properly inflated (See “PROD- UCT SPECIFICATIONS” section of this manual). If tires are over or underinflated, you will not properly adjust your mower.

SQUARE HOLE

SMALL RETAINER SPRING

SUSPENSION ARMS

ENGINE PULLEY

 

CLUTCH SPRING

 

 

FRONT LINK

RETAINER SPRING

 

ANTI-SWAY BAR

 

 

RETAINER SPRINGS

COLLAR

(BOTH SIDES)

 

HOUSING GUIDE

LARGE RETAINER

 

 

BRACKET

 

SPRING

Fig. 18

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Contents PR20H42STC Safety Rules Safe Operation Practices for Ride-On MowersBecome ALERT!!! Your Safety is IN- Volved Table of Contents Slope Sheet Unassembled PartsSteering Wheel Seat Assembly Tools Required for AssemblyHOW to SET UP Your Tractor To Remove Tractor from CAR- TONInstall Seat See Fig To SET UP Your Mower for MulchingTo Convert to Bagging or DISCHARG- ING Check Tire PressureCheck Deck Levelness Check for Proper Position of ALL BeltsOperation Know Your Tractor HOW to USE Your Tractor To USE Throttle Control see FIGTo Adjust Gauge Wheels See Fig To Operate Mower See FigTo Operate on Hills To Transport See FigsBefore Starting the Engine Towing Carts and Other ATTACH- MentsCheck Engine OIL Level ADD GasolineMowing Tips Purge TransmissionMulching Mowing Tips Before Each USE Customer ResponsibilitiesGeneral Recommendations Tractor Engine Clean AIR INTAKE/COOLING Areas CleaningEngine OIL Filter MufflerService and Adjustments To Install Mower See FigTo Level Mower Housing To Remove Mower See FigRecheck side-to-side adjustment To Adjust Brake See Fig Belt InstallationTo Replace Mower Blade Drive Belt See Fig To Replace Motion Drive Belt See FigTransmission REMOVAL/REPLACEMENT Transaxle Motion Control Lever Neutral Adjustment See FigTo Adjust Steering Wheel Alignment Front Wheel TOE-IN/CAMBERTo Start Engine with a Weak Battery See Fig Replacing Battery See FigsTo Replace Headlight Bulb To Attach Jumper CablesTo Replace Fuse To Adjust CarburetorInterlocks and Relays Storage OtherFuel System 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 TiresSpark Arrester EngineOptional Equipment 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