Step 4: non-tension end, Step 3: tension end – Mueller Roll-Up Door L250 User Manual
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Axle Support
Axle
Wall
Set Screws
step 4: non-tension enD
a
Slide axle support over axle, with arrow pointing toward wall.
Axle
Dual Tensioner
Wall
Tensioning Hub
Spring Roll Pin
Set Screw
step 3: tension enD
RigHt siDe of DooR
(LooKing fRoM tHe insiDe oUt)
is ReCoMMenDeD
a
Using dual tensioner assembly’s spring roll pin located in knurled wheel,
rotate upward in the direction that clears the axle.
B
Slide dual tensioner assembly over axle and tensioning hub, with arrow
pointing toward wall. Release spring roll pin.
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