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WARNING: CO
2
displaces oxygen. Strict attention must be observed in the prevention of
CO
2
(carbon dioxide) gas leaks in the entire CO
2
and soft drink system. If a CO
2
gas leak is
suspected, particularly in a small area, immediately ventilate the contaminated area before
attempting to repair the leak. Personnel exposed to high concentration of CO
2
gas will experience
tremors which are followed rapidly by loss of consciousness and suffocation.
1. Fully close (clockwise) CO
2
cylinder valve.
2. Slowly loosen CO
2
regulator assembly coupling nut allowing CO
2
pressure to escape, then remove regula-
tor assembly from empty CO
2
cylinder.
3. Unfasten safety chain and remove empty CO
2
cylinder.
WARNING: To avoid personal injury and/or property damage, always secure CO
2
cylinder
in an upright position with safety chain to prevent it from falling over. Should the shutoff
valve become accidentally broken off, CO
2
cylinder can cause serious personal injury.
4. Position CO
2
cylinder and secure with safety chain.
5. Make sure gasket is in place inside CO
2
regulator coupling nut, then install regulator on CO
2
cylinder.
6. Open (counterclockwise) CO
2
cylinder valve slightly to allow lines to slowly fill with gas, then open valve
fully to back-seat valve. (Back-seating valve prevents leakage around valve shaft).
7. Check CO
2
connections for leaks.
REPLENISHING BEER SUPPLY
(see Figure 2)
1. Close CO
2
and beer line shutoff valves for the empty beer keg.
2. Remove beer keg tapper from the empty beer keg.
3. Make sure beer keg tapper and top of the full beer keg are clean, then then install tapper in the keg.
4. Open CO
2
and beer line shutoff valves.
BALL
183296-000
QUAD RING
183294-000
SPRING
183297000
RETAINER
183298000
BODY
183295000
*Quad ring seal must be replaced each
time check valve is serviced.
FIGURE 7. CO
2
GAS CHECK VALVE