Instructions / Assembly

Screw Drive Rail Extension Kit
(For 8 foot tall garage doors)
Carefully read all instructions and warnings
contained in the Assembly/Installation poster
and/or Owners Manual prior to assembly of this
kit. Safety glasses are required for this assembly.
WARNING
!
Edges of rail and connector sections can be sharp.
Avoid contact with edges.
CAUTION
!
ASSEMBLE THIS KIT ON A FLAT CLEAN WORK SURFACE. (Alpha numeric digits in parenthesis (1a) indicate steps on older posters)
1. Assemble screw rail per installation poster steps 1 through 2 (1a/1b).
2. Pull screw drive sections out of rail sections B & C to allow assembly of extension screw. FIG. 1.
3. Install screw extension (XS) between sections B & C with clips and collars included with this kit.
FIG. 1.
4. Install rail connector K to rail section B until it locks. Care should be taken NOT to bend screw
connections. FIG. 2.
5. Install rail section C into rail connector K until it locks. Care should be taken NOT to bend screw
connections. FIG. 2.
• Screw drive section will now protrude beyond original rail section C. FIG. 3.
6. Install rail connector XK onto rail section C until it locks. FIG. 3.
7. Install rail extension X into rail connector XK until it locks.
8. Continue assembling screw rail assembly per installation poster step 5 (1e).
• Remembertocompletestep6(1f)forscrewsectionsA & B.
1.Slide collar over
long hook
2.Mate hooks
3.Slide collar
over joint
4.Snap clip
behind collar
Completed connection
K
K
A B C
XK X
XS
NOTICE: These instructions supersede installation poster steps 3 & 4 (1c & 1d)
FIG. 1
FIG. 2
FIG. 3
Completed Connection
B C
37387503963, 04/2018
Parts Included: Screw Extension (XS), Additional Rail Connector (K), Rail Extension (X), 2-ea. Clips & Collars.