Remcor Cornelius VANGUARD 245, Installation & Service Manual, Page: 46 / 71

41
569000203
Servicing Double Liquid Check Valve Assembly.
(See Figures 11, 13, and 14)
1. Service water inlet strainer screen as instructed in previous paragraph before servicing the double liquid
check valve.
2. Disconnect plain water outlet line from double liquid check valve outlet, then remove double liquid check
valve from the water pump outlet port.
3. Disassemble each check valve as shown in Figure 14.
4. Wipe each part with clean lint–free cloth. Inspect each part, especially the ball for burrs, nicks, corrosion,
deterioration, and other damage. Discard ball seat and any damaged or suspicious parts and replace with
new parts during reassembly.
5. Re-assemble check valves as shown in Figure 14. ALWAYS INSTALL NEW BALL SEAT (O-RING) item 2
AND FLAT WASHER (ITEM 1).
NOTE: Make sure when assembling the check valves together, the FLAT WASHER (item 1) is in place
inside female end of the check valve.
6. Assemble check valves together. DO NOT OVER TIGHTEN.
7. Install double liquid check valve in water pump outlet port, then connect plain water outlet line to the double
liquid check valve outlet.
8. Restore CO
2
and plain water supplies to the Unit.
9. Connect electrical power to the Unit. The water pump will cycle on and fill the carbonated water tank with
carbonated water. Check for water leaks and tighten any loose connections.
10. Pull up on the carbonated water tank relief valve ring protruding up through the drop-in refrigeration deck
(see Figure 11) to release trapped air from inside the water tank.
11. Install hood on Unit and secure with screw.
INDEX
NO. PART
NO.
NAME
1 *560000480 FLAT WASHER
2 *560000432 BALL SEAT (O- RING)
3 312419 BALL
4 560000481 SPRING
* INSTALL NEW BALL SEAT (ITEM 2) AND FLAT WASHER (ITEM 1)
AT EACH SERVICING.
1
2
3
4
1
2
3
4
CHUDNOW DUAL CHECK
VALVE ASS’Y
3253
FIGURE 14. DOUBLE LIQUID CHECK VALVE ASS’Y