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The elevator chains, paddles, and augers of the material handling systems constantly convey material, resulting in wear. The chains should be checked for stretch, and adjusted or replaced as required.
The rubber paddles can develop rounded corners and edges, resulting in grain leakage. As the auger flight wears, a razor edge will develop on the flight and result in a smaller-diameter auger. Worn material handling components result in:
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Reduced system capacity
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Plugging
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Reduced harvesting capacity
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Reduced ground speed
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Grain damage
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Increased power requirements
The most common reason for excessive elevator chain wear is too much tension. A chain that has too much tension will get tighter as the chain conveys material and could cause shaft and bearing failures.
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