GROWSPAN
™
ROUND PRO GREENHOUSES AND SYSTEMS
30
Revision date: 06.27.18
TWIST-OF-THE-WRIST ASSEMBLY
Gather the parts:
• Aluminum channel
• Drive handle
• Gearbox and gearbox drive
• Mounting plate
• Bearing and threaded rod
• 3/8" nuts and washers
The Twist-of-the-Wrist Assembly is designed to roll up a
portion of the sides of the structure. The following steps
describe the assembly and its installation.
1. Drill a 5/16" hole through the cover conduit 1/2" from
the end of the conduit.
2. Insert a tubing adapter into the conduit and align
the holes of the adapter with the drilled holes in the
conduit.
Threaded Rod
Purlin
End
Rafter
Guide
Channel
Carriage
Bolt
Roll-up Side
Conduit
Frame shown
may differ from
actual frame.
3. Select the aluminum channel and drill a 3/8" hole
through the channel approximately 2" from the end and
attach a threaded rod using a 3/8" nut on each side of
the channel.
2"
4. With lower end of the channel approximately 4" off the
ground, position the channel along the rafter at the end
of the building where the Twist-of-the-Wrist assembly
will be located.
5. Secure the upper end of the channel by drilling a 3/8"
hole through the end rafter and attach as shown. The
lower end of the channel will "float" and is not attached.
NOTE:
Install a flat washer between the nut and the
end panel.
Top View