Chain
Chain
Chain
Chain link
link
Tie
Tie rod
rod
Turn
Turn on
on 90°
90°
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9
e.
Unlock the main engine before installation, the unlock method is: take out the
key cover, insert the key, and open the manual release bar till it rotates by 90° as
shown in Figure 7. Then turn the output sprocket and the sprocket can be
rotated easily;
4.3.3 Chain installation
Close the gate; connect the tie rod with chain through chain link; fasten the tie rod
to the door connecting plate with washers and nuts as shown in Figure 8.
If necessary, the elasticity of the chain can be adjusted through the tie rod at both
ends as shown in Figure 9 and 10. If necessary, the chain can be shortened.
If it needs to be lengthened, make sure to use the same type of chain.
If door frame is round, please use the round screw as shown in Figure 9:
Figure 7
Figure 8
