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AXXOM Technical Tip<br />
Worn sprocket rims are more difficult to detect than<br />
worn spur sprockets. AXXOM strongly recommends a<br />
new sprocket with every new saw chain. In the<br />
process, you can eradicate many of your<br />
customers’ concerns regarding chain stretch<br />
and extends the life of a new chain.<br />
Most sprocket problems are caused by<br />
loose chain tension and failure to replace<br />
the sprocket or clutch drum when<br />
necessary. Sprockets are inexpensive.<br />
One worn inexpensive sprocket can<br />
quickly damage an expensive chain and<br />
bar. Do not try to save money by running<br />
new chains on old sprockets. Look for the<br />
conditions below and change sprockets and<br />
clutch drums promptly.<br />
Rim Sprocket Wear<br />
Concave Marks Worn into<br />
Rim Sprocket Teeth<br />
Chain Cannot Mesh<br />
Cleanly with Sprocket<br />
Wear On Front and Back<br />
of Drive Links<br />
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