Exterior Cleaning; Removal From Service/Winterization; General; Air-Cooled Ice Machines - Manitowoc UG Series Installation, Operation And Maintenance Manual

Maintenance
Step 17 Wait until the rinsing cycle (25.5 minutes)
is complete, then place the toggle switch in the OFF
position. Remove water curtain, ice chute, and water
sump overflow tube. Drain water from sump and replace
tube.
Step 18 Replace all parts.
Step 19 Place toggle switch to ON position. Ice
machine will go into ice making cycle.
NOTE: To terminate a standard cleaning cycle, press
the toggle switch to WASH position and hold more than
30 seconds.
! Caution
If the cleaner/sanitizer solution has been poured into
the water trough, then the standard cleaning cycle
must be completed. Don't terminate the cleaning
cycle, or the ice machine will not purge the remaining
cleaner/sanitizer solution from the water trough.

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.
A commercial grade stainless steel cleaner and polish
may be used.

Removal from Service/Winterization

GENERAL

Special precautions must be taken if the ice machine is
to be removed from service for an extended period of
time or exposed to ambient temperatures of 0°C (32°F)
or below.
! Caution
If water is allowed to remain in the ice machine in
freezing temperatures, severe damage to some
components could result. Damage of this nature is
not covered by the warranty.
Follow the applicable procedure below.
4-4

AIR-COOLED ICE MACHINES

1. Disconnect the electric power at the circuit breaker
or the electric service switch.
2. Turn off the water supply.
3. Drain the water from the water sump and water
pump by disconnecting the water pump tubing.
4. Disconnect and drain the incoming ice-making
water line and disconnect the tubing from the water
inlet valve outlet. Allow water to drain.
5. Blow compressed air in the drain opening and water
valve outlet hose, then reattach.
6. Make sure water is not trapped in any of the water
or drain lines.

WATER-COOLED ICE MACHINES

1. Perform steps 1-6 under "Air-Cooled Ice Machines."
2. Disconnect the incoming water and drain lines from
the water-cooled condenser.
3. Insert a large screwdriver between the bottom
spring coils of the water regulating valve. Pry
upward to open the valve.
4. Hold the valve open and blow compressed air
through the condenser until water no longer exits.
Pry Open the Water Regulating Valve
Part Number: 040003628 Rev. 01 01/14/18
Section 4