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312027000 34
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Item
No. Part No. Name
1 5470E Flat Washer
2 312418000 Ball Seat (Quad Ring)
3 312419000 Ball
4 5470D Spring
FIGURE 10. LIQUID CHECK VALVE ASSEMBLY
NOTE: When indicator on the CO
2
cylinder primary CO
2
regulator assembly 1800-psi gage is in the
shaded (‘‘change CO
2
cylinder’ ’) portion of the dial, the CO
2
cylinder is almost empty and should be
changed.
1. Fully close (clockwise) the CO
2
cylinder main shutoff valve.
2. Slowly loosen primary the CO
2
regulator assembly coupling nut allowing CO
2
pressure to escape, then
remove the regulator assembly from the empty CO
2
cylinder.
3. Unfasten safety chain and remove the empty CO
2
cylinder.
WARNING: To avoid personal injury and/or property damage, always secure the CO
2
cylinder in an upright position with a safety chain to prevent it from falling over. Should the
valve become accidentally damaged or broken off, the CO
2
cylinder can cause serious
personal injury.
4. Position full CO
2
cylinder in an upright position and secure with a safety chain.
5. Make sure a gasket is in place inside the primary CO
2
regulator coupling nut, then install regulator on the
CO
2
cylinder.
6. Open (counterclockwise) the CO
2
cylinder main shutoff valve slightly to allow the lines to slowly fill with
gas, then open the valve fully to back-seat the valve. (Back-seating the valve prevents leakage around the
valve shaft).
7. Check all CO
2
connections for leaks. Tighten any loose connections and repair any leaks.
REPLENISHING SYRUP SUPPLY
NOTE: The following instructions are applicable only when replenishing same flavor syrup. Refer to
SYRUP FLAVOR CHANGE when changing syrup flavor.