2-26 Installing the System
Installing fittings
To install fittings:
1. Slide the polymeric compression screw and then the ferrule (small end of
the taper first) over the end of the tubing.
Tefzel compression screw assembly
2. Bottom the tubing and ferrule into the fitting seat.
3. As you press the tubing into the fitting, hand-tighten the compression
screw. Tightening the compression screw compresses the ferrule, fusing
it onto the tubing in the proper position.
Fluid handling unit connections
This section describes these connections to the fluid handling unit:
• Solvent reservoir setup
• System sparge and helium setup
• Seal wash setup
• Rheodyne injector connections
The figure “Waters Prep series fluid handling unit” on page 1-6 shows the
fluid handling unit.
Solvent reservoir caps
Caution: Limit the solvent system to 5 psi pressure when you use
pressurized solvent containers.
Compression screw
1/4-28 x 1/8-inch tube
1/8-inch tube
Reverse ferrule
1/8-inch tube
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