Poulan 178112 owner manual Mowing Tips, Purge Transmission

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OPERATION

NOTE: If at a high altitude (above 3000 feet) or in cold temperatures (below 32 F) the carburetor fuel mixture may need to be adjusted for best engine performance. See “TO ADJUST CARBURETOR” in the Service and Adjustments section of this manual.

PURGE TRANSMISSION

CAUTION: Never engage or disengage freewheel lever while the engine is run- ning.

To ensure proper operation and performance, it is recom- mended that the transmission be purged before operating tractor for the first time. This procedure will remove any trapped air inside the transmission which may have devel- oped during shipping of your tractor.

IMPORTANT: SHOULD YOUR TRANSMISSION REQUIRE REMOVAL FOR SERVICE OR REPLACEMENT, IT SHOULD BE PURGED AFTER REINSTALLATION BEFORE OPERATING THE TRACTOR.

Place tractor safely on level surface with engine off and parking brake set.

Disengage transmission by placing freewheel control in freewheeling position (See “TO TRANSPORT” in this section of manual).

Sitting in the tractor seat, start engine. After the engine is running, move throttle control to slow position. With motion control lever in neutral (N) position, slowly disengage clutch/brake pedal.

Move motion control lever to full forward position and hold for five (5) seconds. Move lever to full reverse position and hold for five (5) seconds. Repeat this procedure three (3) times.

NOTE: During this procedure there will be no movement of drive wheels. The air is being removed from hydraulic drive system.

Move motion control lever to neutral (N) position. Shut- off engine and set parking brake.

Engage transmission by placing freewheel control in driving position (See “TO TRANSPORT” in this section of manual).

Sitting in the tractor seat, start engine. After the engine is running, move throttle control to half (1/2) speed. With motion control lever in neutral (N) position, slowly disengage clutch/brake pedal.

Slowly move motion control lever forward, after the tractor moves approximately five (5) feet, slowly move motion control lever to reverse position. After the tractor moves approximately five (5) feet return the motion control lever to the neutral (N) position. Repeat this procedure with the motion control lever three (3) times.

Your tractor is now purged and now ready for normal operation.

MOWING TIPS

Mower should be properly leveled for best mowing performance. See “TO LEVEL MOWER HOUSING” in the Service and Adjustments section of this manual.

The left hand side of mower should be used for trimming.

Drive so that clippings are discharged onto the area that has been cut. Have the cut area to the right of the machine. This will result in a more even distribution of clippings and more uniform cutting.

When mowing large areas, start by turning to the right so that clippings will discharge away from shrubs, fences, driveways, etc. After one or two rounds, mow in the opposite direction making left hand turns until finished (See Fig. 10).

If grass is extremely tall, it should be mowed twice to reduce load and possible fire hazard from dried clip- pings. Make first cut relatively high; the second to the desired height.

Do not mow grass when it is wet. Wet grass will plug mower and leave undesirable clumps. Allow grass to dry before mowing.

Always operate engine at full throttle when mowing to assure better mowing performance and proper dis- charge of material. Regulate ground speed by selecting a low enough gear to give the mower cutting perfor- mance as well as the quality of cut desired.

When operating attachments, select a ground speed that will suit the terrain and give best performance of the attachment being used.

FIG. 10

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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 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 Before Each USE Customer ResponsibilitiesGeneral Recommendations 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 CablesTo Replace Fuse To Adjust CarburetorInterlocks and Relays 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 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