Examine the tube to ensure there are no dents, deep scratches, dirt, oils, grease or other surface imperfections (Figure 10.1).
![](../images/figure_33new.jpg)
Measure the tube length accurately (Figure 10.2).
![](../images/figure_34new.jpg)
Cut the tube end square, i.e., perpendicular to the run of the tube (Figure 10.3).
![](../images/figure_35.jpg)
Remove burrs from the I.D. and the O.D. of the tube end by reaming the I.D. and chamfering the O.D using the appropriate tools (Figure 10.4).
![](../images/figure_36.jpg)
Roll groove the tubing to the proper dimensions, as required by the fitting manufacturer (Figure 10.5).
![](../images/figure_37.jpg)
Examine the fittings, gaskets and clamps to ensure the proper gasket is inserted into the clamp and the fitting end is not damaged (Figure 10.6 and 10.7).
![](../images/figure_38.jpg)
![](../images/figure_39.jpg)
Lubricate the gasket per manufacturer's recommendations (Figure 10.8).
![](../images/figure_40.jpg)
Inspect the clamping surfaces to ensure they are clean and free from construction debris (Figure 10.9). Assemble the joint according to the manufacturer's recommendations (Figure 10.10).
![](../images/figure_41.jpg)
![](../images/figure_42.jpg)
Tighten the clamping nuts to the proper torque per manufacturer's recommendations (Figure 10.11).
![](../images/figure_43.jpg)
Inspect the tightened clamp to ensure it is properly assembled (Figure 10.12).
![](../images/figure_44.jpg)