74 Agilent 7890B Installation
A Making Swagelok Connections
7
Mark the nut with a pencil line (see Figure 20).
Figure 20 Marking the fitting
8 For 1/8-inch Swagelok fittings, use a pair of wrenches to
tighten the fitting 3/4 of a turn (see Figure 21).
Figure 21 Final tightening
9 Remove the plug from the fitting. To connect the tubing, with
nut and ferrules, to another fitting, finger-tighten the nut,
then use a wrench to tighten it 3/4 (1/8-inch fittings) of a
turn.
10 Both correctly- and incorrectly-swaged connections are
shown in Figure 22. Note that the end of the tubing in a
correctly-swaged fitting is not crushed and does not interfere
with the action of the ferrules.
Figure 22 Completed fitting
Pencil line
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