In the event the engagement between chain and sprockets becomes defective or any element that brings about excessive decline during the strength with the chain occurs, substitute the complete chain. When any of your following circumstances come about within the chain you utilize, replace the entire chain to preserve safety.
Whenever a chain is worn close to the “Elongation limit of chain” .
?When a flaw or crack happens in the plate.
?Whenever a flaw or crack or defective rotation of a roller is observed.
?When a chain link is stiff.
?When a pin is rotated.
?Whenever a pin is bent or otherwise deformed or 
when a plate is seriously warped.
?When rust buildup prevents smooth bending of your chain.
?When diluted sulfuric acid or every other corrosive materials is deposited.
If you are not able to judge irrespective of whether a flaw is “harmful”, please consult us.
Replacement of sprockets and just how to buy
The life of sprockets is usually several instances the lifestyle of the chain, but if the teeth are worn since of insufficient lubrication or broken simply because of a shock load, and so forth., the sprockets should be replaced.
?When placing an order, please specify the following if your chain No. is regarded.
1. Chain No. and quantity of strands
two. Type of sprockets
3. Shaft hole diameter (d) (That is not essential when you drill this hole; in this case, drill a hole not exceeding the maximum shaft hole diameter.)
4. Number of teeth
5. Hub diameter (DH) and length (L) (during the case of non-standard sprockets)
6. Whether the tooth heads are hardened
Specify the next products, in case the chain No. is unknown
one. Tooth thickness (T)
two. Root diameter (DB) (Caliper diameter (DC) from the case of odd-number teeth)
Timing of sprocket substitute
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