Manual
A Turn Power Head upside down and place on a flat
level surface.
B Install Bumper (Figure 9).
C Install Coupler on Motor Shaft (Figure 9).
CAUTION
The Drive Screw and Rail Liner can slide out of Rail Sections.
Keep Rail Sections level until the Opener is fully assembled.
D Connect first Rail Section to Opener Power Head. Connect
with 2 (1/4"-20) (yellow) Hex Head Shoulder Bolts and
2 (1/4"-20) Hex Serrated Flange Nuts (Figure 10).
Finger-tighten until later.
If you have a 1-piece rail unit, skip Assembly Step 2.
A Arrange arrows on Rail Sections to point in same direction
and away from Power Head:
• Push Middle Drive Screw out about 2" toward Power Head.
• Slide Collar over Middle Drive Screw Hook (Figure 11A).
Turn Middle Screw by hand to align Drive Screw Hooks
between First and Middle Rail Sections.
. Latch two Hooks together and slide Collar over them
(Figure 11 B) and (Figure 11 C).
• Snap Clip on Drive Screw next to Collar (Figure11D).
B Attach Middle Rail Section to First Rail Section, using 2 Rail
Clamps,4 (5/16"-18) Hex Shoulder Bolts, and 4 (5/16"-18) Hex
Head Serrated Flange Nuts onto Bolts (Figure 11).
Finger-tighten until later. (Middle Rail Section looks the
same on both ends. See page 8.)
C Attach End Rail Section to Middle Rail Section following
procedures in step A & B.
RailStrap
RailClamps
©
Coupler
First Rail
Section
5/16"-18HexHeadShoulderBolts
@)
_Q_Q_88_
5/16"-18HexSerratedFlangeNuts
88
1/4"-20Hex 1/4"-20HexHead 1/4"-20Hex
SerratedFlangeNuts ShoulderBolts HeadBolts
(yellow)
Bumper Collars+ spare RetainingClips+ spare
Hardware (blue bag)
Bumper
(remove backing)
e%-"i
Coupler Power Head
Assembly
(i)
Figure 9 Install Bumper, Coupler and 1st Rail Section
Figure 10 Bolt ] st Rail Section to Power Head
NOTE
If the Extension Assembly (GSXL8) is needed, attach
it per instructions supplied with kit,
Retaining_"-.
\_ \\ \
Middle Rail ", _ Collar
Section @ f-.
Arrowspointtowarddoor
@ RailClamps
11A. Slipon collar
11B. EngageHooks
11C._Slide CollaroverHooks
11D._Snap on RetainingClip
Figure 11 Attach Middle Rail Section
_;:o__H_g:; _:s 1 800 3_.6_:B t: o vet 9