Installation Section 2
2-22 Part Number 000003912 6/17
Conduit Installation
PROPER USE OF JOHN GUEST FITTINGS
NOTE: 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).
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.
Proper John Guest Fitting Installation
Wrong
Correct
Tubing Tubing
Wrong
Tube Stop
Correct
Tubing
Collet Cover
Collet
Tubing
Collet Cover
Collet
Black Water
Supply Line
Braided CO
2
Gas Line
Color Coded
Syrup Lines
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