Cornelius FCB 3 H.P. POST-MIX DISPENSER, Installation & Service Manual, Page: 61 / 78

54
312026000
1
2
3
4
5
6
index no part
no name
1 317965000 Retainer
2 312196000 Spring
3 312419000 Ball
4 312415000 Washer, .300 I.D.
5 312418000 Quad Ring
6 317963000 Body
*Install new ball seat each servicing.
FIGURE 11. LIQUID CHECK VALVE ASSEMBLY
3. To connect soft drink tank into Unit syrup system.
A. First, connect CO
2
quick disconnect to soft drink tank to pressurize tank.
B. Second, connect liquid quick disconnect to soft drink tank.
4. Disconnect inlet (CO
2
) and outlet (syrup) lines from empty soft drink tank.
5. Check soft drink tank quick disconnects for sticky or restricted operation. Rinse disconnects in warm water.
6. First, pressurize full soft drink tank by connecting CO
2
line to tank, then connect Unit syrup inlet line to
tank.
7. Press applicable ‘‘FILL 1’’ or ‘‘FILL 2’’ switch to fill applicable No. 1 or No. 2 syrup system syrup float switch
with syrup.
8. Press applicable ‘‘AUTO BLEND 1’’ or ‘‘AUTO BLEND 2’’ switch to fill applicable No. 1 or No. 2 system
product blender tank with product.
9. Press applicable ‘‘AUTO 1’’ or ‘‘AUTO 2’’ switch to start refrigeration system and beater in applicable No. 1
or No. 2 freeze cylinder.
10. If freeze cylinder is not full of product, repeatedly pull and release faceplate relief valve to slowly bleed CO
2
from freeze cylinder and allow product to fill cylinder. Do not relieve freeze cylinder pressure too fast or
product will foam excessively in cylinder and lose carbonation.
REPLENISHING CO
2
SUPPLY
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.