Installation Instructions

3a. Elevate powerhead assembly and position header rail section (C) inside bracket.
NOTE: Support powerhead and have a second person assist during this step.
3b. Align holes in rail with upper holes in bracket.
3c. Slide clevis pin through holes in rail and bracket and secure with cotter pin.
3d. Slide carriage near the powerhead now to prevent damage to the door for step 6a.
ATTACHING RAIL TO
BRACKET
(ORANGE BAG)
5a
NOTE
ATTACHING POWERHEAD
TO CEILING (GREEN BAG)
4a. If possible, lift and support powerhead while a second person fully opens the door. Insert a 2 x 4 board,
cardboard or towel between door and rail to protect door. Measure and mark the door centerline.
Position powerhead over the centerline of door and allow it to rest on board. Otherwise, measure and
mark ceiling 112" * back from the header, aligned with the centerline of the door.
4b. Method A-For open ceilings with exposed joist, drill 5/32” pilot holes and secure included mounting straps
to joist using 5/16” x 1-3/4” lag screws. Raise powerhead unit so that there is sufficient clearance between
door and rail. Cut and/or bend mounting straps as needed to align with the powerhead and to level the
rail. Secure powerhead to mounting straps using 5/16”-18 x 3/4” bolts and nuts. Ensure powerhead is
centered with the door and remove the 2 x 4 board and/or other protective material.
4c. Method B-For finished or unfinished ceilings, attach perforated angle (not supplied) to joists using 5/16”
x 1-3/4” lag screws and secure mounting straps to the perforated angle with 5/16"-18 bolts and nuts
(not supplied). Raise powerhead so that there is sufficient clearance between door and rail. Cut and/or
bend mounting straps as needed to align with the powerhead and to level the rail. Secure powerhead to
mounting straps using 5/16”-18 x 3/4” bolts and nuts. Ensure powerhead is centered with the door and
remove the 2 x 4 board and/or other protective material.
4d. Close the Door.
112"
Approx.
112” from header
Ceiling Joist
Ceiling Joist
Ceiling Joist
Ceiling Joist
Ceiling Joist
Ceiling Joist
Door Center-Line
112” From Header
FINISHED CEILING
NOTE: Rail should be level to oor.
Additional hanging hardware may
be required.
Door
Ceiling Joist
Protective material to
prevent door damage.
There are several methods to mount the powerhead to the ceiling. The most popular methods are shown here.
Attach to garage framework only. DO NOT attach to drywall or partical board.
6a
6b
6c6c
Mounting
Straps, 5/16”
Bolts & Nuts,
5/16”
Lag Bolts
provided
*Add 12” if adding rail extension kit
*
*
*
5/16" x 1-3/4" Clevis Pin
Cotter Pin
3a.
Elevate powerhead assembly and position header rail section (C) inside bracket.
NOTE:
Supp
ort powerhead and have a second person assist during this step.
A
BR
A
TT
ATTA
TO
There are several methods to mount the powerhead to the ceiling. The most popular methods are shown here.
Attach to garage framework only. DO NOT attach to drywall or partical board.
3a
4a
4b
4c 4c