Poulan 187581 To Level Mower Housing, To Replace Mower Blade Drive Belt See Fig, Belt Removal

Page 20

SERVICE AND ADJUSTMENTS

TO LEVEL MOWER HOUSING

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

SIDE-TO-SIDE ADJUSTMENT (See Figs. 16 and 17)

Raise mower to its highest position.

At the midpoint of both sides of mower, measure height from bottom edge of mower to ground. Distance “A” on both sides of mower should be the same or within 1/4" of each other.

If adjustment is necessary, make adjustment on one side of mower only.

To raise one side of mower, tighten lift link adjustment nut on that side.

To lower one side of mower, loosen lift link adjustment nut on that side.

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. The two front links must remain equal in length.

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. 18

NOTE: Three full turns of adjustment nut will change mower height about 1/8".

Recheck measurements after adjusting.

BOTTOM EDGE OF

BOTTOM EDGE

MOWER

OF MOWER

TO GROUND

TO GROUND

“A”

“A”

 

GROUND LINE

FIG. 16

SUSPENSION ARM

LIFT LINK

ADJUSTMENT

NUT

FIG. 17

FRONT-TO-BACK ADJUSTMENT (See Figs. 18 and 19)

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 high- est position.

BOTH FRONT LINKS MUST BE EQUAL IN LENGTH

NUT "F"

NUT "E"

TRUNNION

FRONT LINKS

FIG. 19

TO REPLACE MOWER BLADE DRIVE BELT (See Fig. 20)

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

BELT REMOVAL -

Place attachment clutch in “DISENGAGED” position.

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

Roll belt off engine pulley.

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

Work belt off both mandrel pulleys and idler pulleys.

Check adjustment on right side of tractor. Measure distance

 

• Pull belt away from mower.

“D” directly in front and behind the mandrel at bottom edge

 

BELT INSTALLATION -

of mower housing as shown.

 

• Before making any necessary adjustments, check that

 

• Work new belt around both mandrel pulleys and idler

 

pulleys.

both front links are equal in length.

 

 

• Install new belt into engine pulley grove.

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

 

 

• Reconnect R.H. suspension arm and secure with re-

length as other link.

 

• To lower front of mower loosen nut “E” on both front

 

tainer spring.

 

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

links an equal number of turns.

 

• When distance “D” is 1/8" to 1/2" lower at front than

20

belt guides.

 

Image 20
Contents Model NO. PC1538D Safety Rules IV. ServiceGeneral Operation II. Slope OperationSafety Rules Safe Operation Practices for Ride-On MowersTable of Contents Unassembled Parts Steering Wheel SeatAssembly Tools Required for AssemblyTo Remove Tractor from Carton Before Removing Tractor from SkidCheck Battery See Fig HOW to SET UP Your TractorInstall Seat See Fig Check Tire Pressure Check Deck LevelnessCheck for Proper Position of ALL Belts Check Brake SystemOperation Know Your Tractor HOW to USE Your Tractor Before Starting the Engine To Operate on Hills To TransportTowing Carts and Other ATTACH- Ments Check Engine OIL LevelMowing Tips To Start Engine See FigMaintenance Lubrication ChartService Dates General RecommendationsTractor Brake OperationTires Operator Presence SystemBattery EngineBelts Transaxle CoolingAIR Filter See Fig Clean AIR ScreenEngine Cooling Fins See Fig Cleaning MufflerSpark Plugs IN-LINE Fuel Filter See FigTo Remove Mower See Fig Service and AdjustmentsTo Install Mower See Fig To Level Mower Housing Belt InstallationTo Replace Mower Blade Drive Belt See Fig Belt RemovalTo Check and Adjust Brake See Fig Transaxle Gear Shift Lever NEUTRAL- Adjustment See FigTo Adjust Brake To Replace Motion Drive Belt See FigTo Start Engine with a Weak Battery See Fig To Adjust Steering Wheel ALIGN- MentReplacing Battery See Figs Front Wheel TOE-IN/CAMBERTo Adjust Carburetor To Replace Headlight BulbInterlocks and Relays To Replace FuseStorage OtherFuel System Engine OILTroubleshooting Points OFF Schematic Tractor - Model Number PC1538DElectrical KEY Part Description Chassis Grille/Lens Asm 151 Drive Steering 160367 Spacer Brace Axle 72110618 Optional Equipment Seat Decals Wheels & TiresLSB42 LBD48Mower Lift Mower Deck Repair Parts Limited Warranty Suggested Guide for Sighting Slopes for Safe Operation