Cub Cadet 421R manual Maintaining Your Snow Thrower, General Recommendations, Replacing Belt

SECTION 6: MAINTAINING YOUR SNOW THROWER

WARNING: Before servicing, repairing, or inspecting, disengage all clutch levers and stop engine. Wait until all moving parts have come to a complete stop. Disconnect spark plug wire and ground it against the engine to prevent unintended starting.

•Pull up on the idler pulley and slip the belt off the engine pulley.

•Push down on the idler pulley and slip the belt off the auger pulley.

•Reassemble new belt. See Figure 17.

•Reinstall the belt cover.

General Recommendations

•Always observe safety rules when performing any maintenance.

•All adjustments explained on page 9 should be checked at least once each season.

•Periodically check all fasteners and make sure these are tight

•Follow the maintenance schedule given below to get quality performance from your snow thrower for a long time.

Replacing Belt

•Remove the belt cover by removing five hex screws. See Figure 16.

Belt Cover	Hex
	Screws

Figure 16

Idler Pulley

Engine

Auger Pulley

Pulley

Belt

Figure 17

Replacing Shave Plate

The shave plate is subject to wear. It should be checked periodically. There are two wearing edges and the shave plate can be reversed. See Figure 13.

•Remove the four carriage bolts and hex lock nuts which attach it to the snow thrower housing.

•Install new shave plate, making sure the heads of the carriage bolts are on the inside of the housing.

•Adjust the shave plate according to procedure in the “Making Adjustments” section of this manual.

•Tighten securely.

Customer Responsibilities

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MAINTENANCE SCHEDULE

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PRODUCT

Lubricate pivot points

Clean snow thrower

Check shave plate

Check belt

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Clean engine

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Check spark plug

SERVICE DATES

10