19
GROWSPAN
™
ROUND PREMIUM HIGH TUNNELS
Revision date: 10.25.21
8. Slide the Twist-of-the-Wrist mounting plate over the
long bolts and secure the plate with two lock nuts
9. Attach the Twist-of-the-Wrist gearbox to the mounting
plate using hex head bolts.
10. Using a 1/4" x 2" bolt (FAG308B) and nut (FALB01B),
attach the square shaft to a tubing adapter.
11. Slide the square shaft through the Twist-of-the-Wrist
gearbox.
TWIST-OF-THE-WRIST ASSEMBLY (Continued)
Lock Nuts
12. Slide the Twist-of-the-Wrist assembly onto the
aluminum channel from the ground end. (This is the
free end of the channel.)
13. Roll the cover conduit up to the Twist-of-the-Wrist
assembly.
14. Attach the conduit to the square shaft of the assembly
by inserting a 1/4" bolt through the hole in the conduit
and tubing adapter. Add and tighten the 1/4" nuts.
15. Attach the crank handle to the Twist-of-the-Wrist
assembly. (Cover is not shown in the above diagram.)
16. Test the operation of the Twist-of-the-Wrist assembly.
NOTE:
If the cover rolls in the desired direction, but
you want to turn the crank in the opposite direction for
the same result, unbolt, reposition the gearbox, and
remount it
on the same side of the mounting bracket.
Bolt shown in
diagrams may differ
from actual bolt.
