ITV ICE MAKERS ICE QUEEN 45 Operating instructions

ITV Service Department
ICE QUEEN 45
Repairing process - Change of extruder

Ice Queen 45
Tools and materials needed:
Screwdriver PH2
Allen wrench Nº 5/32 & 13/64 IN.
Pointed pliers
Cutter
Drill, Nº 13/64
Box spanner nº 9/32
Insulating tape.
* In this process it is not necessary to open the refrigerating circuit.
Maintenance and cleaning:
Once we’ve opened the evaporator, it’s convenient to check it for
scale build-up, and clean it, preparing a solution of 50% phosphoric
acid in water. Do not use hydrochloric acid.
Security:
ITV recommends to use gloves for all repairing and maintenance
processes.

1. Access to the evaporator
Remove with a PH2 screwdriver these six screws (marked in red,
picture 2) on the rear panel to access the evaporator.
Remove the top cover with a PH2
screwdriver to access gear motor.
Two Screws marked in red (picture 1)
1
2 3
First of all, disconnect the machine electrically, close the water
faucet, and disconnect the water inlet tube.
Once everything is disconnected, start the repairing process step
by step:

2.Gear motor
Remove with a PH2 screwdriver these four screws that hold
the gear motor to the evaporator. Removing these screws, the
gear motor will be completely free.
4 5
6 7
Disconnect the electrical connection and remove gear motor
from this location.

3. Evaporator
8 9
Take the drill nº 13/64 and remove the two rivets that hold the
evaporator bracket. Disconnect the water inlet tube.
11
10
When removing these two screws, the evaporator will be
completely loose and we should hold it with one hand to keep
it from falling, while preventing damage to refrigeration copper
tubes, specially the capilary tube.

3.1. Upper plate disassembly
12 13
With a cutter, carefully cut the
insulation. You can re-use it
when you assemble the
evaporator again.
Use an insulating tape (picture
26) to re-use this insulation.
Remove the safety ring with
pointed pliers.
14
Remove top cap leveraging
carefully with a flat
screwdriver
Mark plastic and plate as shown to
facilitate assembly in same
position.

3.2. Auger Disassembly
1615
18
17
Take the nº5/32 & 13/64 allen wrench and remove the four
screws from the upper plate that hold the extruder.
Remove the ice chute with a
box spanner nº 9/32
Pull the auger out of the
evaporator.
Once opened, check the evaporator for scale build up, and
do the maintenace and cleaning process if necesary

3.3.Extruder disassembly
With the nº 1/8 allen wrench
remove the screw that holds the
pushrod, as shown in picture 19.
19
21
20
Remove the old extruder
New extruder
22
Install the new extruder and fix
the pushrod with nº1/8 allen
wrench..

3.4.Extruder assembly
¡¡¡IMPORTANT NOTICE!!!
When tightening the four
screws that hold the
extruder follow a star
pattern, tightening them
gradually with the nº 5/32
allen wrench.
Step by step 1-2-3-4-1-2-3-4
2423
To complete the assembly, follow the previous points inversely.

4. Evaporator (insulation assembly)
26
25
Re-use the isulation using
this kind of insulating tape.

Pol.Ind. Sector 13. Avda. dels Hostalers, 2. 46394 Ribarroja del Turia, Valencia (Spain) [email protected]· www.itv.es