Poulan 179075 owner manual To Replace Mower Drive Belt, FRONT-TO-BACK Adjustment See Figs

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SERVICE AND ADJUSTMENTS

BOTTOM EDGE

BOTTOM EDGE OF

OF MOWER TO

MOWER TO

GROUND

GROUND

A

GROUNDLINE

A

FIG. 20

SUSPENSION

ARM

LIFT LINK

ADJUSTMENT NUT

FIG. 21

FRONT-TO-BACK ADJUSTMENT (See Figs. 22 and 23)

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 blades should be adjusted so the front tip is approximately 1/8" to 1/2" lower than the rear tip when the mower is in its highest position.

CAUTION:Bladesaresharp.Protectyour hands with gloves and/or wrap blade with heavy cloth.

Check adjustment on right side of tractor. Position any blade so the tip is pointing straight forward. Measure distance "B" at front and rear tip of the blade.

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 blade, loosen nut “C” on both front links an equal number of turns.

NOTE: Each full turn of nut “C” will change distance. “B” by approximately 3/16".

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

To raise front of blade, loosen nut “D” from trunnion on both front links. Tighten nut “C” on both front links an equal number of turns.

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

Recheck side-to-side adjustment.

BLADE

“B”“B”

FIG. 22

BOTH FRONT LINKS MUST BE EQUAL

 

IN LENGTH

NUT

NUT “C”

“D”

 

 

TRUNNION

FRONT PLATE

 

ASSEMBLY

 

FIG. 23

TO REPLACE MOWER DRIVE BELT

MOWER DRIVE BELT REMOVAL (See Fig. 24)

Park tractor on a level surface. Engage parking brake.

Lower mower to its lowest position.

Disengage belt tention rod from lock bracket.

CAUTION: Rod is spring loaded. Have a tight grip on rod and release slowly.

Remove screws from R.H. mandrel cover and remove cover.

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

Disconnect R.H. suspension arm from rear deck bracket by removing retainer spring.

Roll belt over the top of R.H. mandrel pulley carefully.

Remove belt from electric clutch pulley.

Remove belt from idler pulleys.

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

Be sure spring is securely hooked to primary idler arm and spring arm.

MOWER DRIVE BELT INSTALLATION (See Fig. 24)

Install belt in both idlers.

Install new belt onto electric clutch pulley.

Roll belt into upper groove of R.H. mandrel pulley carefully.

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Contents PR22H48STA Safe Operation Practices for Ride-On Mowers Safety RulesSafety Rules Table of Contents Unassembled Parts Tools Required for Assembly AssemblyHOW to SET UP Your Tractor To Remove Tractor from CartonAssemble Gauge Wheels to Mower Deck See Fig Install Seat See FigTo Attach Nose Roller See Fig Install Mower and Drive Belt See FigsCheck Mower Levelness Check Tire PressureCheck for Proper Position of ALL Belts Check Brake SystemOperation Know Your Tractor HOW to USE Your Tractor To Operate Mower See Fig To Adjust Gauge Wheels See FigTo Operate on Hills To Transport See FigsCheck Engine OIL Level Before Starting the EngineADD Gasoline To Start Engine See FigMowing Tips Purge TransmissionCustomer Responsibilities Lubrication ChartGeneral Recommendations Before Each USETractor Engine Cleaning Clean AIR INTAKE/COOLING AreasMuffler Spark PlugsTo Install Mower Service and AdjustmentsTo Level Mower Housing To Remove Mower See FigTo Replace Mower Drive Belt FRONT-TO-BACK Adjustment See FigsTo Adjust Brake See Fig To Replace Mower Blade Drive Belt See FigTo Replace Motion Drive Belt See Fig To Adjust Steering Wheel Alignment Transmission REMOVAL/REPLACEMENTFront Wheel TOE-IN Adjustment Front Wheel CamberTo Replace Headlight Bulb Interlocks and RelaysTo Replace Fuse To Adjust Throttle Control Cable See Fig To Adjust Choke Control See FigTo Adjust Carburetor Other StorageFuel System Engine OILProblem Cause Correction Troubleshooting PointsOFF Tractor Model Number PR22H48STA SchematicElectrical KEY Part Description Chassis and Enclosures Repair Parts Drive Transaxle See Breakdown Steering Assembly KEY Part NO. NO. Description Engine Optional EquipmentSpark Arrester KEY Part Description Seat Assembly Wheels & Tires DecalsMower Lift KEY Mower Deck Washer, Spacer Mower Vented Limited Warranty Suggested Guide for Sighting Slopes for Safe Operation Parts and Service