Water Distributors; Water Tank - Vogt TUBE-ICE 03TB Service Manual

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03TA Service Manual
Water Distributors. The water distributors are located under the freezer cover (8) at the top of the
freezer. These distributors may require occasional or periodic cleaning to remove solids and foreign
particles accumulated from the make-up water. The frequency of this cleaning operation will
depend on the characteristics of the water supply. The cleaning operation is needed when the inside
diameter of a large proportion of the ice becomes irregular (due to channeling of water), or if some
of the ice is opaque, or if there is a noticeable decrease in ice capacity.
To clean distributors, stop the unit and remove the freezer cover (8) on top of the freezer. The water
distributors (one in each tube) may then be removed with pliers for cleaning. Use pliers on the
distributor's top part with a twisting upward motion.
Note: When re-installing distributors on the outside row, make sure holes are away from the gasket
Size Ice
1"
1 1/4"
Water Tank. The production of opaque ice can indicate that the water in the water tank contains a
concentrated amount of solids or salts.
Remove cover plate. Open drain valve (39). Clean tank thoroughly by flushing out with a hose and
scrubbing with a stiff brush. Fill the water tank with fresh water.
When restarting the machine, be sure that the water pump is circulating water. It is possible that air
may have collected in the pump impeller housing and the pump may have to be stopped and started
several times to expel the air.
Water Cooled Condenser
Checking Operation. Scheduled maintenance for water-cooled condensers is based primarily on
the operating conditions found at the machine. The condenser should be inspected at least annually
and cleaned as required. For extreme operating conditions where water quality is poor the condenser
may need to be cleaned several times a year.
Proper operation of cooling towers will increase the interval between cleaning considerably. The
tower overflow rate should be checked frequently. If a tower is operated with insufficient overflow,
nominal 1-1/2 to 3 gallons per hour bleed depending on water quality, the resulting mineral
concentration in the water can cause rapid and heavy fouling inside the condenser tubes, requiring
excessively frequent cleaning. Also, these conditions often lead to severe corrosion.
Chemical additives, including those to stop algae and related growths, should be obtained only from
a reputable, established supplier, and used specifically according to directions. Excessive treatment
of the water can cause more harm than good and the condensers, pumps, piping, and the towers
themselves may be damaged.
3/31/14
Number of Tubes
Water Distributor
78
48
Number of Water Distributors Per Tube Size
Vogt Part #
Freezer Cover
12B2185N11
12A2145C06
12B2185N21
Table 7-1
MAINTENANCE
Freezer Cover Gasket
12A2600G01
7-3

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