Mueller Roll-Up Door L250 - Manual (Page 9)

WWW.MUeLLeRinC.CoM 9
step 9: aDJUsting tHe DooR position
a Adjust the door height position using the slots on the mounting bracket.
B Position door on mounting brackets with dual tensioner and tension axle
support resting safely on top of mounting bracket flange.
C Door should be positioned as close as possible to the door header and still
be able to rotate the door so that the bottom bar will clear the door header.
D Each end of door should be equal distance from the header and the curtain
must be centered in the opening.
e with door still wrapped and banded. Push door assembly as close as
possible toward header and still be able to rotate freely. Each end of door
should be equal distance from the header and the curtain must be centered
in the door opening.
f Once door is properly aligned tighten bolts to mounting bracket flange.