Owner's Manual

NT308W INSTALLATION
3
Clamp Mounting
The included clamping system is designed to support structures that utilize round tubing.
Oval tubing and flat structures will not work with this clamp. The clamp can be used
with tube diameters from 1.5” up to 2.75”. Separate bushing sets for all tube sizes at 1/8”
increments are included. Refer to the table below to determine
optimal configuration.
T
ube
Di a m ete r
T
ube
Cir c u m fe r en c e
Cl
a
m
p
T
op
Bu s h i ng
Botto
m
Bu s h i ng
1.54 .71A 1.50 1.50
1.6255 .10A 1.63 1.63
1.75 5.50 A1 .751 .75
1.8755 .89A none 1.88
26 .28B 2.00 2.00
2.1256 .68B 2.13 2.13
2.25 7.07 B2 .252 .25
2.375 7.46 B2 .382 .38
2.57 .85B 2.50 2.50
2.6258 .25B 2.68 2.68
2.75 8.64 Bn onen one