GARAGE DOOR OPERATOR USER’S MANUAL
6
Hightest point of
garage door
Horizontal line
Centerline
4
0
m
m
Header bracket
Fig.4
Step 2
Insert the shuttle into the groove of the chain drive rail. Be sure it faces the right direction
(the release arm on the shuttle towards the power-head). Fasten the four screws
(M6x22mm).
Straight arm
Pin and R pin (x1)
M6x22mm Screw (x4)
The release arm
towards the powerhead.
Fig.5
Step 3
Place the power-head on the floor; add cardboard packing to protect the power-head from
scratching by the floor. Attach the power-head unit to the chain drive rail, make sure the
spindle is inserted into the chain drive, and then fix the brackets.
