GROWSPAN
™
GOTHIC PRO GREENHOUSES AND SYSTEMS
30
113836_37_38_39 Revision date: 06.06.18
3. Take the aluminum channel and drill a 3/8" hole through
the channel 2" from one end and attach a threaded rod
using a 3/8" nut on each side of the channel.
2"
TWIST-OF-THE-WRIST ASSEMBLY (continued)
4. With lower end of channel approximately 4" above the
ground, position channel along rafter at the end where
the Twist-of-the-Wrist assembly will be located.
5. Secure upper end of channel by drilling a 3/8" hole
through end rafter. Attach as shown. Lower end of
channel will "float" and is not attached.
NOTE:
Install a flat washer between nut and end wall
polycarbonate panel.
6. Select bearing bracket and attach bearings. (In some
instances, bearings may come already attached.)
Assemble bearings as follows if shipped unassembled:
NOTE
: Attach single bearings to sides of bracket and
double bearings to middle portion of bracket. Use
1/4" hex bolts and locknuts as needed. Install a flat
washer on both sides of each bearing to insure proper
operation of bearings and the assembly.
7. Install longer bolts with bearings on the side of the
bracket that has two holes. Install these
before
installing the double bearing assembles. See figures
below.
8. For spacers on long bolts, insert a 5/16" nut over each
bolt.
These nuts are used as spacers only.
5/16" Nut
5/16" Nut
9. Slide the Twist-of-the-Wrist mounting plate over the
long bolts and secure plate using two locknuts.
Locknuts
10. Attach Twist-of-the-Wrist gearbox to the mounting plate
using hex head bolts included with plate.
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