i_hl WARNING: Beforeservicing,repairing,or inspecting,disengageallclutchleversandstop engineWaituntilallmovingpartshavecome.

toacompletestop.Disconnectsparkplug wire

and ground it against the engine to prevent unintended starting.

All adjustments in the Service and Adjustments section of this manual should be checked at least once each season.

bolts are to the inside of housing. Tighten securely.

Replacing Belts

_i WARNING: Disconnect spark plug wire and

ground it against the engine to prevent unintended starting. Drain fuel into an

approved container or place a piece of plastic film underneath the gas cap to prevent gasoline from leaking.

Servicing Augers

The augers are secured to the spiral shaft with two shear bolts and hex lock nuts. See Figure 9. If you hit a hard foreign object or ice jam, the snow thrower is designed so that the bolts may shear.

1.If the augers will not turn, check to see if the bolts have sheared.

2.Replace as needed. Replacement shear bolts and hex lock nuts have been provided with the snow thrower. When replacing bolts, spray an oil lubricant into shaft before inserting new bolts.

Shave Plate and Skid Shoes

The shave plate and skid shoes on the bottom of the snow thrower are subject to wear. They should be checked periodically and replaced when necessary.

1.To remove skid shoes, remove the four carriage bolts, cupped washers and hex nuts which attach them to the snow thrower.

2.Reassemble new skid shoes with the four carriage bolts, cupped washers (cupped side goes against skid shoes) and hex nuts. See Figure 11.

Skid Carriage

Shoe Bolts

Shave

Nuts

Figure 11

3.To remove shave plate, remove the carriage bolts, cupped washers and hex nuts which attach it to the snow thrower housing. See Figure 11. Reassemble new shave plate, making sure heads of carriage

Auger Belt

1.Remove plastic belt cover from front of the engine by removing the two self-tapping screws. See

Figure 12.

BeltScrews Cover

Figure 12

2.Drain gasoline from the snow thrower, or place a piece of plastic under the gas cap.Tip the unit up and forward so that it rests on auger housing.

3.Remove six self-tapping screws from the frame cover underneath the snow thrower.

4.Roll auger belt off engine pulley. See Figure 13.

Drive

AugerBelt

Belt

X

Drive

 

Pulley

Idler

Pulley

Pulley

Figure 13

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Craftsman 247.88664 owner manual Replacing Belts, Servicing Augers, Shave Plate and Skid Shoes, Auger Belt