17
GROWSPAN
™
ROLLING PREMIUM HIGH TUNNELS
Revision date: 01.01.16
4. Tighten the 1/2" bolt and nut until snug. Do not overtighten. Doing so will crush the rafter pipe. Check that the metal
castor is not touching the rafter pipe. Castor should spin freely on axle bolt.
5. Repeat to attach all remaining castors to the remaining rafter segments.
6. Continue with the frame assembly.
ATTACH CASTORS TO RAFTER PIPES (continued)
STEP 4:
Verify that the
castor does not contact
the rafter pipe.
To the outside of
the frame
To the inside of
the frame