White Outdoor Snow Boss 721 用户手册

10

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Remove the belt cover by removing five hex 
screws. See Figure 12.

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

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

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Reassemble new belt. See Figure 13.

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Reinstall the belt cover.

The shave plate is attached to the bottom of the auger 
housing and is subject to wear. It should be checked 
periodically. There are two wearing edges and the 
shave plate can be reversed. See Figure 14.

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

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

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Adjust the shave plate according to instructions on 
page 9. Tighten securely.

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Refer to the separate engine manual for all engine 
maintenance procedures.

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Check engine and snow thrower frequently for 
loose hardware, and tighten as needed.

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Lubricate pivot points on the control handle and the 
extension spring at the end of the clutch cable  with 
a light oil once every season and before storage of 
the snow thrower at the end of the season.

•

Lubricate the flange keepers on the chute crank 
once a season with a light oil making sure the crank 
rod moves freely. Remove bolts holding the shroud 
to the housing, and lift shroud to access the chute 
crank bracket.

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.

Remove these hardware