If the engagement amongst chain and sprockets gets defective or any component that causes excessive decline within the strength on the chain takes place, substitute the whole chain. When any of the following conditions take place in the chain you use, change the whole chain to maintain safety.
When a chain is worn near to the “Elongation limit of chain” .
?Whenever a flaw or crack takes place in a plate.
?Whenever a flaw or crack or defective rotation of a roller is observed.
?Whenever a chain link is stiff.
?Whenever a pin has been rotated.
?When a pin is bent or otherwise deformed or when a plate is critically warped.
?When 
rust buildup prevents smooth bending in the chain.
?When diluted sulfuric acid or every other corrosive material is deposited.
When you are not able to judge no matter whether a flaw is “harmful”, please check with us.
Replacement of sprockets and the way to buy
The existence of sprockets is usually a number of times the existence of the chain, but if the teeth are worn mainly because of inadequate lubrication or broken mainly because of a shock load, and so on., the sprockets have to be replaced.
?When putting an purchase, please specify the following when the chain No. is recognized.
one. Chain No. and number of strands
2. Type of sprockets
3. Shaft hole diameter (d) (That is not needed should you drill this hole; in this instance, drill a hole not exceeding the maximum shaft hole diameter.)
4. Number of teeth
five. Hub diameter (DH) and length (L) (inside the case of non-standard sprockets)
six. Whether the tooth heads are hardened
Specify the following things, if your chain No. is unknown
one. Tooth thickness (T)
2. Root diameter (DB) (Caliper diameter (DC) while in the case of odd-number teeth)
Timing of sprocket substitute
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