31
GROWSPAN
™
ROUND PRO GREENHOUSES AND SYSTEMS
Revision date: 06.27.18
TWIST-OF-THE-WRIST ASSEMBLY (continued)
6. Select the bearing bracket and attach the bearings as
needed. (In some instances, the bearings may come
already attached.) Assemble as follows:
NOTE
: Single bearings are attached to the sides of
the bracket and double bearings to the middle portion
of the 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 the longer bolts with bearings on the side of the
bracket that has the two holes. Install these
before
installing the double bearing assembles. See the
figures below.
8. For the spacers on the 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 the plate with two lock nuts.
Lock Nuts
10. Attach the Twist-of-the-Wrist gearbox to the mounting
plate using hex head bolts.
11. Using a carriage bolt, attach the square shaft to a
tubing adapter.
12. Slide the square shaft through the Twist-of-the-Wrist
gearbox.
13. Slide the Twist-of-the-Wrist assembly onto the
aluminum channel from the ground end. (This is the
free end of the channel.)
14. Finish rolling the cover conduit in a clockwise motion
up to the Twist-of-the-Wrist assembly.