ADJUSTMENTS DRIVE CHAIN IDLERS Expeller Drive Chain Idler The expeller drive chain is tensioned with an adjustable sprocket Idler. The chain is properly tensioned when the chain can be deflected 1/2” to 3/4" (13-19 mm) with hand pressure. NOTE: If an Idler fails to maintain proper tension, replace the worn chain.
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Auger Drive Chain Idlers The jackshaft and auger drive chain tighteners are spring loaded. Use the eye bolt adjustment to achieve a spring length of 9-1/2” on the initial reduction auger drive chain. The auger final drive chain tension device uses an eye bolt, and S-hook to accomplish adjustment. With the auger in its lowest position, use the eye bolt to achieve a spring length of 13-1/2” to 15” on the final drive chain for obtaining the specified tension.
NOTE: If an Idler fails to maintain proper tension, replace the worn chain.
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