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Section 4 Maintenance
Part Number 80-1560-3 4-1
Section 4
Maintenance
General
You are responsible for maintaining the ice machine in
accordance with the instructions in this manual.
Maintenance procedures are not covered by the
warranty.
We recommend that you perform the following
maintenance procedures a minimum of once every six
months to ensure reliable, trouble-free operation and
maximum ice production.
Ice Machine Inspection
Check all water fittings and lines for leaks. Also, make
sure the refrigeration tubing is not rubbing or vibrating
against other tubing, panels, etc.
Do not put anything (boxes, etc.) on the sides or back of
the ice machine. There must be adequate airflow
through and around the ice machine to maximize ice
production and ensure long component life.
Exterior Cleaning
Clean the area around the ice machine as often as
necessary to maintain cleanliness and efficient
operation.
Sponge any dust and dirt off the outside of the ice
machine with mild soap and water. Wipe dry with a
clean, soft cloth.
Heavy stains should be removed with stainless steel
wool. Never use plain steel wool or abrasive pads. They
will scratch the panels.
Water-Cooled Condenser
and Water Regulating Valve
Symptoms of restrictions in the condenser water circuit
include:
• Low ice production
• High water consumption
• High operating temperatures
• High operating pressures
If the ice machine is experiencing any of these symptoms,
the water-cooled condenser and water regulating valve
may require cleaning due to scale build-up.
Because the cleaning procedures require special pumps
and cleaning solutions, qualified maintenance or service
personnel must perform them.
AlphaSan
®
The goal of AlphaSan
®
is to keep the plastic surfaces of
an ice machine cleaner, by reducing or delaying the
formation of bio-film. The active ingredient in
AlphaSan
®
is the element silver in the form of silver ions
(Ag+). AlphaSan
®
slowly releases silver ions via an ion
exchange mechanism. When AlphaSan
®
is
compounded directly into a plastic part, a controlled
release of silver ions from the surface is regulated to
maintain an effective concentration at or near the
surface of the plastic ice machine part. AlphaSan’s
®
unique ability to effectively control the release of silver
not only protects against undesired discoloration of the
plastic, but also will last the life of the plastic part.
Although AlphaSan
®
helps prevent bio-film build up it
does not eliminate the need for periodic cleaning and
maintenance. AlphaSan
®
has no adverse effect on the
taste of the ice or beverage.
!
Warning
If you do not understand the procedures or the
safety precautions that must be followed, call your
local Manitowoc service representative to perform
the maintenance procedures for you.
!
Warning
Disconnect electric power to the ice machine and
the remote condensing unit at the electric service
switch before cleaning the condenser.