McCulloch MC175H42STA To Replace Mower Blade Drive Belt See Fig, Belt Removal, Belt Installation

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SERVICE AND ADJUSTMENTS

SIDE-TO-SIDE ADJUSTMENT (See Figs. 19 and 20)

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.

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”

GROUND LINE

“A”

FIG. 19

SUSPENSION ARM

LIFT LINK ADJUSTMENT NUT

FIG. 20

FRONT-TO-BACK ADJUSTMENT (See Figs. 21 and 22)

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.

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. 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. 21

BOTH FRONT LINKS MUST BE EQUAL IN LENGTH

NUT "F"

NUT "E"

TRUNNION

FRONT LINKS

FIG. 22

TO REPLACE MOWER BLADE DRIVE BELT (See Fig. 23)

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 instruc- tions.

MANDREL PULLEY

IDLER PULLEYS

MANDREL

PULLEY

FIG. 23

TO CHECK AND ADJUST BRAKE (See Fig. 24)

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

If tractor requires more than five (5) feet to stop at highest speed in highest gear on a level, dry concrete or paved surface, then brake must be checked and adjusted.

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Contents 17.5 HP 42 Inch Lawn Tractor Safety Rules Safe Operation Practices for Ride-On MowersGeneral Operation II. Slope OperationIV. Towing ServiceIII. Children Table of Contents Unassembled Parts Steering Wheel SeatKey Slope SheetAssembly Tools Required for AssemblyTo Remove Tractor from CAR- TON Before Removing Tractor from SkidConnect Battery See Figs To Convert to Bagging or Discharging Check Tire PressureCheck Deck Levelness Check for Proper Position of ALL BeltsOperation Know Your Tractor HOW to USE Your Tractor To Transport See Figs To Operate Mower See FigTo Operate on Hills Before Starting the Engine Check Engine OIL LevelADD Gasoline To Start Engine See FigMowing Tips Mulching Mowing TipsMaintenance Lubrication ChartService Dates General RecommendationsTractor Engine Cleaning Clean AIR INTAKE/COOLING AreasMuffler Spark PlugsService and Adjustments To Install Mower See FigTo Level Mower Housing To Remove Mower See FigBelt Removal Belt InstallationTo Replace Mower Blade Drive Belt See Fig Transaxle Motion Control Lever Neutral Adjustment See Fig To Adjust BrakeTo Replace Motion Drive Belt See Fig To Check BrakeTransmission REMOVAL/REPLACEMENT To Adjust Steering Wheel ALIGN- MentFront Wheel TOE-IN/CAMBER To Replace Headlight BulbTo Remove Hood and Grill Assembly See Fig To Adjust Throttle Control CableTo Adjust Choke Control To Adjust CarburetorStorage OtherFuel System Engine OILTroubleshooting Points With attachment clutch Schematic Tractor - Model NO. MC175H42ST MC175H42STA, Product no 77Electrical KEY Part NO. NO. Description Chassis and Enclosures Tractor - Model NO. MC175H42ST MC175H42STA, Product no 77 Drive KEY Part Description Steering Assembly KEY Part NO. NO. Description Engine Optional Equipment Spark ArresterSeat Assembly Decals Wheels & TiresMower Lift Mower Deck KEY Part NO. NO. Description Service Notes Suggested Guide for Sighting Slopes for Safe Operation Only Ride UP and Down Hill Not Across Hill Degrees MAX