Husqvarna YTH150 To Replace Mower Blade Drive Belt See Fig, To Adjust Brake See Fig, Belt Removal

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SERVICE AND ADJUSTMENTS

FRONT-TO-BACK ADJUSTMENT (See Figs. 23 and 24)

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 dis- tance “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. Both links should be approximately 10-3/8".

•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. 23

BOTH FRONT LINKS MUST BE EQUAL IN LENGTH

NUT "E"

NUT "F"

FRONT LINKS

TRUNNION

FIG. 24

TO REPLACE MOWER BLADE DRIVE BELT (See Fig. 25)

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

BELT REMOVAL -

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

•Work belt off both mandrel pulleys and idler pulleys.

•Pull belt away from mower.

BELT INSTALLATION -

•Install new belt in reverse order of removal.

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

•Install mower in reverse order of removal instructions.

MANDREL

IDLER

PULLEY

PULLEYS

MANDREL

PULLEY

FIG. 25

TO ADJUST BRAKE (See Fig. 26)

Your tractor is equipped with an adjustable brake system which is mounted on the side of the transaxle.

If tractor requires more than six (6) feet stopping distance at high speed in highest gear, then brake must be adjusted.

•Depress clutch/brake pedal and engage parking brake.

•Measure distance between brake operating arm and nut “A” on brake rod.

•If distance is other than 1-9/16", loosen jam nut and turn nut “A” until distance becomes 1-9/16". Retighten jam nut against nut “A”.

•Road test tractor for proper stopping distance as stated above. Readjust if necessary. If stopping distance is still greater than six (6) feet in highest gear, further maintenance is necessary. Contact your nearest au- thorized service center/department.

WITH PARKING BRAKE “ENGAGED”

NUT “A”

1-9/16"

JAM NUT

 

OPERATING

ARM

DO NOT TOUCH THIS NUT. IF FURTHER

BRAKE ADJUSTMENT IS NECESSARY

CONTACT YOUR NEAREST AUTHORIZED

SERVICE CENTER/DEPARTMENT

FIG. 26

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Contents YTH150 Safe Operation Practices for Ride-On Mowers IV. ServiceGeneral Operation II. Slope OperationProduct Specifications Customer ResponsibilitiesModel Number YTH150 Serial Table of Contents Contents of Hardware Pack Tools Required for Assembly AssemblyHOW to SET UP Your Tractor To Remove Tractor from CartonInstall Seat See Fig To Attach Front Bumper See FigTo Attach Nose Roller See Fig Install Mulcher Plate See Figs Assemble Gauge Wheels to Mower Deck See FigTo Convert to Bagging or Discharging Check Deck 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 a Before Starting the EngineTo Operate on Hills To Transport See FigsTo Start Engine See Fig ADD GasolinePurge Transmission Hydrostatic Transmission Warm UPMulching Mowing Tips Mowing TipsCustomer Responsibilities Lubrication ChartGeneral Recommendations Before Each USETractor To Service Cartridge To Service PRE-CLEANEREngine LubricationClean AIR INTAKE/COOLING Areas CleaningMuffler Spark PlugsTo Install Mower See Fig Service and AdjustmentsTo Level Mower Housing To Remove Mower See FigBelt Installation To Adjust Brake See FigTo Replace Mower Blade Drive Belt See Fig Belt RemovalTo Adjust Steering Wheel Alignment Transmission REMOVAL/REPLACEMENTTo Replace Motion Drive Belt See Fig Front Wheel TOE-IN/CAMBERTo Replace Headlight Bulb Interlocks and RelaysTo Replace Fuse To Adjust Throttle Control Cable See Fig To Adjust Carburetor See FigAcceleration Test Other StorageFuel System Engine OILProblem Cause Correction Troubleshooting PointsOFF Service Notes Ignition Switch SchematicPTO Switch Wiring Insulated ClipsElectrical KEY Part NO. NO. Description Chassis and Enclosures KEY Part Description Repair Parts KEY Part NO. no Description Repair Parts KEY Part Description NO. no Steering AssemblyKEY Part NO. no Description Seat AssemblyWheels & Tires DecalsLSB42 LBD48Engine KEY Part NO. NO. Description Mower Deck KEY Part Description 25 24 Mower LiftKEY Part NO. NO. Description Hydro Gear Transaxle Model Number KEY Part Description Service Notes Service Notes This OUT Dotted Lines Slope CUTLimited Warranty Warranty Statement532162559 Rev.1 03.11.98 RH/SJ
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