Topens DKC2000 - Chain Installation Details; Chain Tension Adjustment; Chain Bracket Height Alignment; Wheel Cover Clearance

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5). Remove the unwanted length of chain. Set appropriated
chain tension by adjusting two chain bolts of the both end.
6). The chain brackets must be mounted to the same height as the chain on the idler wheels.
7). Make sure there is 1” distance at least between the wheel cover and the gate after you position the base
plate.