22 Part Number 020002365 08/25/2015
Installation Section 2
Conduit Installation
PROPER USE OF JOHN GUEST FITTINGS
This unit has a compression type tube connector. The
following are step-by-step instructions on how to properly
use these fittings. For connecting purposes, all connections
are furnished with a 3/8" barb connector.
1. Before inserting tubing into a John Guest fitting, be
sure end of tubing is cleanly and squarely cut.
Correct Wrong
Tubing Tubing
Proper Tubing Cut
2. Lubricate O-ring with water. Insert tubing into John
Guest fitting. Push tubing firmly through fitting until
it rests against the tube stop in the fitting’s main body
housing. The tubing is now locked into the John Guest
fitting.
3. To release tubing from John Guest fitting, slide collet
cover up tube and push in collet. Pull tubing out.
4. Neatly route syrup lines, braided CO
2
gas line and the
black incoming water line through the inlet opening on
the left side of the refrigeration unit. Do not allow any
of these lines to rest on the agitator motor or any other
surface that may become hot.
5. Attach the black water supply line to the water filter
or a filtered water supply. A 3/8" barb fitting and
tab clamp, reducer bushing and 3/8" male pipe x
1/2" OD John Guest tube adapter are provided in the
installation kit for making this connection.
6. Route the numbered syrup lines to the syrup supply
(syrup tanks, Bag-In-Box, or bulk syrup). Do not attach
lines to syrup supply at this time. Lines will be attached
to syrup supply after system is tested for leaks.
7. Attach the braided CO
2
line with swivel nut to a
regulated CO
2
supply. Use nylon water provided in
installation kit. NOTE: do not turn ON CO
2
supply to
system at this time.
Collet
Collet
Tube
Stop
Tubing
Tubing
Wrong
Correct
Collet Cover
Collet Cover
Proper John Guest Fitting Installation
Graided CO
2
Gas Line
Color Coded
Syrup Lines
Black Water
Supply Line
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