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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.)
REPLENISHING SYRUP SUPPLY
NOTE: The following instructions are applicable only when replenishing same flavor syrup. Refer to
SYRUP FLAVOR CHANGE when changing syrup flavor.
1. Disconnect empty soft drink tank from syrup system.
2. Check soft drink tank quick disconnects for sticky or restricted operation. Wash disconnects in warm water.
3. Connect full tank of syrup into syrup system.
SYRUP FLAVOR CHANGE
1. Perform sanitizing procedure on syrup system syrup flavor change will be made on.
2. Check soft drink tank quick disconnects for sticky or restricted operation. Wash disconnects in warm water.
3. Connect full tank of new flavor syrup into syrup system.
FIGURE 10. CO
2
GAS CHECK VALVE
CLEANING CO
2
SYSTEM GAS CHECK VALVES
SECONDARY CO
2
REGULATORS AND CO
2
MANIFOLD CO
2
GAS CHECK VALVES
(see Figures 2 and 10)
The secondary CO
2
regulators and CO
2
manifold CO
2
gas check valves must be inspected and serviced at
least once a year under normal conditions and after any servicing or disruption of the CO
2
system.
ALWAYS REPLACE QUAD RING SEAL EACH TIME GAS CHECK VALVES ARE SERVICED.
CARBONATORS CO
2
INLET LINES CO
2
GAS CHECK VALVE
(see Figures 2 and 10)
Carbonators CO
2
inlet lines CO
2
gas check valve, located inside Cooling Unit, must be inspected and serviced
at least once a year under normal conditions and after any servicing or disruption of the CO
2
system. ALWAYS
INSTALL NEW BALL SEAT (QUAD RING) P/N 312418000 EACH TIME CHECK VALVE IS SERVICED.
CONNECTING EXTERNAL CARBONATOR TO COOLING UNIT
An external carbonator may be connected to the Cooling Unit (see Figure 2) for a larger supply of carbonated
water.