ARB RD121 - Manual (Page 30)

4 Installing the Air System
28
4.3 Connection to the Bulkhead Fitting
c Trim the air line to length using a sharp knife.
c Insert the support spring over the end of the air line - small end first.
(Fig.17.)
c Insert the outer compression nut over the air line.
Figure 16.
Figure 17.
c Insert the 5mm [0.197”] ferrule over the end of the air line. Leave
approx. 5mm of tubing between the ferrule and the end of the tube.
c Insert the support tube all the way into the end of the air line.
HINT : If the support tube is too difficult to insert, place the
end of the air line into a cup of boiled water to soften
the tubing.
c Insert the tube end all the way into the center compression nut.
c Screw on the outer compression nut and tighten. The ferrule and
support tube are now permanently attached.
c Assemble the support spring over the outside of the outer
compression nut.
c Secure any loose sections of tube with a cable tie.