McCulloch Complete Guide to Service and Adjustments for the mc1136 Lawn Mower
Page 21

SERVICE AND ADJUSTMENTS

TO REPLACE MOTION DRIVE BELT (See Fig. 22)

Park the tractor on level surface. Engage parking brake. For assistance, there is a belt installation guide decal on bottom side of left footrest.

BELT REMOVAL -

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

NOTE: Observe entire motion drive belt and position of all belt guides and keepers.

•Remove belt from stationary idler and clutching idler.

•Remove belt downward from around engine pulley.

•Pull belt slack toward rear of tractor. Remove belt upwards from transaxle pulley by deflecting belt keep- ers.

•Remove belt from center span keeper and pull belt away from tractor.

BELT INSTALLATION -

•Carefully work new belt down between transaxle belt keepers and onto the input pulley.

•Slide belt into the center span keeper.

•Pull belt toward front of tractor and roll around the top groove of engine pulley.

•Install belt through stationary idler and clutching idler.

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

•Install mower (See “TO INSTALL MOWER” in this sec- tion of manual).

TO ADJUST STEERING WHEEL ALIGN- MENT

If steering wheel crossbars are not horizontal (left to right) when wheels are positioned straight forward, remove steer- ing wheel and reassemble per instructions in the Assembly section of this manual.

FRONT WHEEL TOE-IN/CAMBER

The front wheel toe-in and camber are not adjustable on your tractor. If damage has occurred to affect the front wheel toe-in or camber, contact your nearest authorized service center/department.

TO REMOVE WHEEL FOR REPAIRS (See Fig. 23)

•Block up axle securely.

•Remove axle cover, retaining ring and washers to allow wheel removal (rear wheel contains a square key - Do not lose).

•Repair tire and reassemble.

•On rear wheels only: align grooves in rear wheel hub and axle. Insert square key.

•Replace washers and snap retaining ring securely in axle groove.

•Replace axle cover.

NOTE: To seal tire punctures and prevent flat tires due to slow leaks, tire sealant may be purchased from your local parts dealer. Tire sealant also prevents tire dry rot and corrosion.

ENGINE

PULLEY

CLUTCHING

IDLER

STATIONARY

IDLER

CENTER SPAN KEEPER

00811

TRANSAXLE PULLEY

WASHERS

RETAINING RING

AXLE COVER

SQUARE KEY (REAR

WHEEL ONLY)

FIG. 23

FIG. 22

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Contents Model NO. MC1136 MC1136B 11 HP 36 Inch Lawn Tractor Safe Operation Practices for Ride-On Mowers Safety RulesGeneral Operation II. Slope OperationService III. ChildrenIV. Towing Table of Contents Steering Wheel Seat Unassembled PartsTools Required for Assembly AssemblyTo Remove Tractor from Carton Before Removing Tractor from SkidHOW to SET UP Your Tractor Install Seat See FigCheck Battery See Fig Check Deck Levelness Check Tire PressureCheck for Proper Position of ALL Belts Check Brake SystemOperation Know Your Tractor HOW to USE Your Tractor Before Starting the Engine To Start Engine See Fig Mowing TipsMaintenance General RecommendationsBefore Each USE Brake Operation TractorTires Operator Presence SystemEngine AIR Filter See Fig CleaningMuffler Spark PlugsService and Adjustments To Install Mower see FIGTo Remove Mower See Fig FRONT-TO-BACK Adjustment See Figs To Level Mower HousingTo Replace Mower Blade Drive Belt See Fig To Check and Adjust Brake See FigTo Replace Motion Drive Belt See Fig To Adjust Steering Wheel ALIGN- MentFront Wheel TOE-IN/CAMBER To Remove Wheel for Repairs See FigReplacing Battery See Figs To Start Engine with a Weak Battery See FigTo Adjust Carburetor To Remove Hood and Grill Assembly See FigInterlocks and Relays To Replace FuseOther StorageFuel System Engine OILTroubleshooting Points When operator leaves seat Schematic Repair PartsElectrical KEY Part NO. NO. Description Chassis and Enclosures 532 19 39-34 Dash Drive Repair Parts Steering Repair Parts Optional Equipment EngineSeat Wheels & Tires DecalsMower Lift Mower Deck KEY Part Description Policy Only Ride UP and Down Hill Not Across Hill Degrees MAX Suggested Guide for Sighting Slopes for Safe Operation
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