Poulan 178249 owner manual To Replace Mower Drive Belt, To Replace Mower Blade Drive Belt See Fig

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SERVICE AND ADJUSTMENTS

FRONT-TO-BACK ADJUSTMENT (See Figs. 25 and 26)

IMPORTANT: DECK MUST BE LEVEL SIDE-TO-SIDE. IF THE FOLLOWING FRONT-TO-BACK ADJUSTMENT IS NECESSARY, BE SURE TO ADJUST BOTH FRONT LINKS EQUALLY SO MOWER WILL STAY LEVEL SIDE-TO- SIDE.

To obtain the best cutting results, the mower housing should be adjusted so that the front is approximately 1/8" to 1/2" lower than the rear when the mower is in its highest position.

Check adjustment on right side of tractor. Measure distance “D” directly in front and behind the mandrel at bottom edge of mower housing as shown.

•Before making any necessary adjustments, check that both front links are equal in length.

•If links are not equal in length, adjust one link to same length as other link.

•To lower front of mower loosen nut “E” on both front links an equal number of turns.

•When distance “D” is 1/8" to 1/2" lower at front than rear, tighten nuts “F” against trunnion on both front links.

•To raise front of mower, loosen nut “F” from trunnion on both front links. Tighten nut “E” on both front links an equal number of turns.

•When distance “D” is 1/8" to 1/2" lower at front than rear, tighten nut “F” against trunnion on both front links.

•Recheck side-to-side adjustment.

MANDREL

"D""D"

FIG. 25

BOTH FRONT LINKS MUST BE EQUAL IN LENGTH

NUT "E"

NUT "F"

TRUNNION

FRONT LINKS

FIG. 26

TO REPLACE MOWER DRIVE BELT

MOWER DRIVE BELT REMOVAL (See Fig. 27) -

•Park tractor on a level surface. Engage parking brake.

•Remove screws from L.H. mandrel cover and remove cover.

•Roll belt over the top of L.H. mandrel pulley.

•Remove belt from electric clutch pulley.

•Remove belt from idler pulleys.

•Remove any dirt or grass clippings which may have accumulated around mandrels and entire upper deck surface.

•Check primary idler arm and two idlers to see that they rotate freely.

•Be sure spring is securely hooked to primary idler arm and bolt in mower housing.

MOWER DRIVE BELT INSTALLATION (See Fig. 27) -

•Install belt in both idlers. Make sure belt is in both belt keepers at the idlers as shown.

•Install new belt onto electric clutch pulley.

•Roll belt into upper groove of L.H. mandrel pulley.

•Carefully check belt routing making sure belt is in the grooves correctly and inside belt keepers.

•Reassemble L.H. mandrel cover.

 

SCREWS

ELECTRIC

 

 

 

CLUTCH

 

 

IDLER

PULLEY

L.H.

L.H.

 

PULLEYS

MOWER

MANDREL

MANDREL

DRIVE

COVER

 

 

BELT

 

 

 

PRIMARY

 

 

 

IDLER ARM

 

 

 

 

BELT

 

 

 

KEEPERS

 

 

FIG. 27

TO REPLACE MOWER BLADE DRIVE BELT (See Fig. 28)

Park the tractor on level surface. Engage parking brake.

•Removemowerdrivebelt(See“TOREPLACEMOWER DRIVE BELT” in this section of this manual).

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

•Remove screws from R.H. mandrel cover and remove cover. Unhook spring from bolt on mower housing.

•Carefully roll belt off R.H. mandrel pulley.

•Remove belt from center mandrel pulley, idler pulley, and L.H. mandrel pulley.

•Remove any dirt or grass which may have accumulated around mandrels and entire upper deck surface.

•Check secondary idler arm and idler to see that they rotate freely.

•Be sure spring is hooked in secondary idler arm and sway-bar bracket.

•Install new belt in lower groove of L.H. mandrel pulley, idler pulley, and center mandrel pulley as shown.

•Roll belt over R.H. mandrel pulley. Make sure belt is in all grooves properly.

•Reconnect spring to bolt in mower housing and reinstall R.H. mandrel cover.

•Reinstall mower to tractor (See “INSTALL MOWER AND DRIVE BELT” in the Assembly section of this manual).

•Reassemble mower drive belt (See “TO REPLACE MOWER DRIVE BELT” in this section of this manual).

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Contents DPR22H46STB General Operation IV. ServiceSafe Operation Practices for Ride-On Mowers II. Slope OperationSafety Rules Table of Contents Unassembled Parts HOW to SET UP Your Tractor AssemblyTools Required for Assembly To Remove Tractor from CartonInstall Seat See Fig To Attach Nose Roller See FigAssemble Gauge Wheels to Mower Deck See Fig To SET UP Your Mower for Mulching See FigTo Install Mulcher Plate See Fig To Convert to Bagging or DischargingInstall Mower and Drive Belt See Figs Check for Proper Position of ALL Belts Check Tire PressureCheck Mower Levelness Check Brake SystemOperation Know Your Tractor HOW to USE Your Tractor Towing Carts and Other ATTACH- Ments Before Starting the EngineTo Operate on Hills Check Engine OIL LevelTo Start Engine See Fig ADD GasolinePurge Transmission Mowing Tips Mulching Mowing TipsGeneral Recommendations Lubrication ChartCustomer Responsibilities Before Each USETractor Engine Spark Plugs CleaningMuffler Engine OIL FilterTo Level Mower Housing Service and AdjustmentsTo Install Mower To Remove Mower See FigTo Replace Mower Drive Belt To Replace Mower Blade Drive Belt See FigTransaxle Motion Control Lever Neutral Adjustment See Fig To Adjust Brake See FigTo Replace Motion Drive Belt See Fig To Start Engine with a Weak Battery See Fig Transmission REMOVAL/REPLACEMENTTo Adjust Steering Wheel Alignment Front Wheel TOE-IN/CAMBERTo Replace Headlight Bulb Replacing Battery See FigTo Remove Hood and Grill Assembly See Fig Interlocks and RelaysTo Adjust Choke Control See Fig To Adjust Throttle Control Cable See FigTo Adjust Carburetor Fuel System StorageOther Engine OILTroubleshooting Points Problem Cause CorrectionOFF Service Notes Schematic Tractor Model Number DPR22H46STBElectrical 178450 17720408178861 Chassis and Enclosures 175582 174619174997 175692X428Drive 72140608 175417178289 175456Steering Assembly 155105 175121177883 175146164067 Control Throttle EngineSpark Arrester 148315Seat Assembly 178249 DecalsWheels & Tires 178250Mower Lift Mower Deck 74780616 17608419131312 175746Limited Warranty Suggested Guide for Sighting Slopes for Safe Operation Sighting GuideParts and Service

178249 specifications

The Poulan 178249 is a robust and versatile chainsaw designed for both professional and residential use. Renowned for its reliability and efficiency, this model stands out in the competitive market of outdoor power tools. One of the main features of the Poulan 178249 is its powerful 18-inch bar and chain, which allows users to tackle a wide range of cutting tasks, from firewood preparation to tree trimming.

Equipped with a 42cc 2-cycle engine, the Poulan 178249 provides ample power while maintaining a manageable weight, making it easier to handle for extended periods. The lightweight design is coupled with an ergonomic handle that offers comfort and control, reducing strain on the user’s hands and arms during operation. This makes the chainsaw particularly suitable for both seasoned professionals and occasional users.

One of the standout technologies in the Poulan 178249 is its Easy Start system, which significantly reduces the effort needed to start the engine. This feature is especially beneficial for those who may struggle with traditional pull-start mechanisms, allowing for a smoother experience right from the beginning of use. Additionally, the chainsaw comes with an integrated air filtration system that prolongs the life of the engine by ensuring cleaner airflow, which helps maintain optimal performance over time.

Another characteristic that sets the Poulan 178249 apart is its built-in chain brake safety feature. This critical component halts chain movement in the event of kickback, providing an added layer of protection for users. The adjustable chain tensioning system also allows for quick and easy adjustments on the go, ensuring that the chain remains properly tightened for efficient cutting.

Moreover, the Poulan 178249 has a translucent fuel tank that enables users to easily monitor fuel levels, reducing the risk of running out of fuel mid-task. This user-friendly design, along with the chainsaw’s durable construction, makes it suitable for various cutting applications in different environments.

In summary, the Poulan 178249 combines powerful performance, advanced technology, and user-oriented features, making it an excellent choice for anyone looking to invest in a reliable chainsaw. Whether you are maintaining your yard, clearing storm debris, or preparing firewood for the winter, this model is equipped to handle the demands of the job.
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