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31202100213
GENERAL MAINTENANCE
ADJUSTMENTS
ADJUSTING CO
2
REGULATORS
The Operator must first check the CO
2
supply to make sure it is adequate. Determine by looking at the CO
2
cylinder primary CO
2
regulator assembly 1800-psi gage as described in “Daily Pre-Operation Check”. Ranges
for adjusting CO
2
regulators are as follows: 80-psi minimum to a maximum of 125-psi for the carbonator primary
CO
2
regulator, 55 to 60-psi for sugar syrup tanks CO
2
regulator, and 12-psi for diet syrup tank CO
2
regulator.
Refer to step 2 of “Maintenance Schedule”.
ADJUSTING CARBONATOR WATER TANK LIQUID LEVEL
The carbonator water tank liquid level (40 to 60-ounces) pump cut-in and cut-out were adjusted at the factory
and should require no further adjustment. If incorrect adjustment is suspected, check and make necessary ad-
justments as instructed in Service Manual (P/N 312021-004). Refer to step 3 of “Maintenance Schedule”.
SANITIZING SYRUP SYSTEMS
The syrup systems should be sanitized every 90-days as instructed in this manual. Refer to step 4 of “Mainte-
nance Schedule”.
CHECKING ICE WATER BATH
(see Figure 3
A gurgle heard from the Cooling Unit indicates water level in the water tank is low and more water should be
added for maximum cooling. Before adding more water to the tank, ice water bath and ice bank should be
checked for cleanliness and water tank coils checked for excessive mineral deposit build-up. If necessary to
clean the water tank, call a Service
Person to perform the cleaning procedure. Refer to step 5 of “Maintenance Schedule”. Add more water to the
water tank as follows:
1. Place Cooling Unit power switch in “OFF” (down) position.
2. Remove top screw from ground strap securing hood to Cooling Unit.
3. Remove acorn nut securing hood on Unit, then lift hood straight up to remove.
4. Remove plug from drop-in refrigeration assembly water fill hole.
5. Using flashlight, inspect ice water bath and ice bank for cleanliness. Ice water bath should be clear and ice
bank free of foreign particles.
6. If cleaning of water tank is necessary, call a Service Person to perform the cleaning procedure.
7. Fill water tank with clean water until water runs out of the water tank overflow tube. USE LOW-MINERAL-
CONTENT WATER WHERE A LOCAL WATER PROBLEM EXIST.
8. Install plug in water fill hole.
9. Install Cooling Unit hood and secure with acorn nut.
10. Install screw in hood ground strap to secure strap to hood.