McCulloch 96188000400 owner manual Replacing the Drive Belt

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Replacing the Drive Belt

If drive belt becomes worn, oil-soaked, excessively cracked, frayed, or otherwise damaged, replace the belt.

1.Remove the drive side cover by removing the six screws as shown in (Figure 31).

5 6

4 7

2

 

 

 

1

 

3

 

 

 

 

 

2

 

Figure 31

 

1.

Drive side cover

5.

Idler pulley

2.

Screw

6.

Engine pulley

3.

Drive pulley

7.

Drive belt

4. Idler arm

2.Press down on front of idler arm to release the belt tension (Figure 31).

3.Remove the drive belt from the drive pulley (Figure 31).

4.Install the new drive belt, routing it as shown in (Figure 32).

NOTE: Route the new drive belt first around the engine pulley, then the idler pulley, and finally around the drive pulley while pressing down on the front of the idler arm. (Figure 32).

5.Install the drive side cover with the screws removed in step 1.

3

1 2

4

Figure 32

1.Idler arm

2.Idler pulley

3.Engine pulley

4.Drive pulley

NOTE: Ensure that the drive belt is properly adjusted and operating; refer to Checking the Control Cable and Adjusting the Control Cable in the Maintenance section of this manual.

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Contents MC621ES Safe Operation Practices for Walk-Behind Snow Throwers Come ALERT!!! Your Safety is InvolvedShut the Engine OFF API SG-SLF6RTC Table of Contents Setup Installing the Discharge ChuteUnfolding the Handle Lubrication Filling the Engine with Oil Product OverviewOperation Filling the Fuel TankChecking the Engine Oil Level Starting the Engine Disengaging the Auger Blades Engaging the Auger BladesPreventing Freeze-up after Use Adjusting the Discharge Chute and Chute DeflectorStopping the Engine Clearing a Clogged Discharge ChuteOperating Tips MaintenanceInspecting the Auger Blades Adjusting the Control CableChanging the Engine Oil Servicing the Spark Plug Replacing the Drive Belt Cylinder Storage Storing the SnowthrowerFuel System Engine OILDoes not start TroubleshootingSSST-Chute asm5 KEY Part QTY Description KNOB.HANDLE.BLACK BAIL.HANDLE.PAINT.MS431HANDLE.PNT.UPPER.SSST CONTROL.CABLEPLATE.CENTER.BLADE 13 HEX.NUT.1/4-20 Nylon Locking KEY Part NO. noQTY Description BOLT.CARRIAGESSST-Shroud asm8 TOP.COVER KEY HousingCOVER.NON-DRIVE.SIDE.MS428 COVER.DRIVE.SIDE.MS428SSST-Frame asm3 NUT.PUSH.AXLE.0.5IN LCT.ENGINEFRAME.WELDMENT WHEEL.8X1.5.BRICK.GS.3SPK.MS421WASHER.HARDEN SPACER.ENGINE.CRANKKEEPER.ENGINE.BELT PULLEY.ENG.TRACTION.3/4Service Notes Repair Parts Snow Thrower - Model Number MC621ES ENGINE, LCT KEY Part Description Limited Warranty