Manitowoc IT1900 User manual

Clean and sanitize ice machine Monthly BE 13 M1
©McDonald’s Corporation · Planned Maintenance Manual · Revised February 2019 Page 1 of 4
Manitowoc Ice
Machine Indigo®NXT Models
Monthly
BE 13 M1
Why
To break the bacteria cycle
Time required
10 minutes to prepare
90 minutes to complete
Time of day
At close
For 24-hour restaurants: during low-volume periods at
night
Hazard icons
Tools and supplies
Measuring Cup
Bucket, clean towels
Bucket, soiled towels
Ice scoop
McD KL Delimer
McD DR Sanitizer
Multi Surface
Glass Cleaner
Screwdriver, Phillips
Kay Delimer
Kay 5 Sanitizer
Procedure
1
Remove front panel.
Use a Phillips screwdriver to
loosen the two screws secur-
ing the door. Do not remove
screws completely; they are
secured to prevent loss.
2
Turn ice machine off.
After ice has fallen from the
evaporator, turn the machine
OFF.
3
Empty ice bin.
Use an ice scoop to remove
all ice from the storage bin or
dispenser. Discard the ice.
If you are cleaning the ice
machine in the production
area, store the ice in the
freezer for use if needed.

Clean and sanitize ice machine (continued)
©McDonald’s Corporation · Planned Maintenance Manual · Revised February 2019 Page 2 of 4
Manitowoc Ice
Machine Models Indigo®NXT
Monthly
BE 13 M1
4
Prepare DeLimer solution.
Follow label instructions to
prepare the correct amount of
delimer.
For models:
IF300, IT420, IT520, IT620
Kay Delimer - Mix 2 packets
with 1 liter of warm water
or
McD KL - Measure 120 ml
IT1200, IF1400, IT1500,
IF1800C, IT1900, IF2100C
Kay Delimer - Mix 5 packets
with 1 liter of warm water
or
McD KL - Measure 290 ml
For all other models
Kay Delimer - Mix 4 packets
with 1 liter of water
or
McD KL - Measure 200 ml
*Amounts vary by ice machine size
due to amount of water being held in
the water trough of each machine.
Larger machines hold more water.
Concentration should remain the
same.
DeLimer
5
Press CLEAN switch.
Push the clean button then
select “Turn off when
complete” to start the
cleaning process.
6
Delime evaporator and water
circulation system.
Wait for approximately 3
minutes until “Please add
chemicals and confirm” is
displayed, then pour the pre-
mixed solution into the water
trough and press “Chemicals
added”.
7
Allow clean cycle to run.
The ice machine will auto-
matically run through a wash
cycle and several rinse cycles.
The entire cycle lasts
approximately 30 minutes.
8
Turn off power to the ice
machine.
Do not begin cleaning other
parts of the ice machine until
it is unplugged or
breaker/disconnect is turned
off.
9
Remove water curtain.
Gently flex the curtain in the
center and remove it from the
right side. Slide the left pin
out.
10
Remove the ice thickness
probe.
Compress the hinge pin on
the top of the ice thickness
probe.
Pivot the ice thickness probe
to disengage one pin then the
other. The ice thickness probe
can be cleaned at this point
without complete removal. If
complete removal is desired,
disconnect the ice thickness
control wiring from the
control board.

Clean and sanitize ice machine (continued)
©McDonald’s Corporation · Planned Maintenance Manual · Revised February 2019 Page 3 of 4
Manitowoc Ice
Machine Models Indigo®NXT
Monthly
BE 13 M1
11
Remove the water distribution
tube.
Loosen the two outer screws
(do not remove screws
completely; they are retained
to prevent loss). Pull forward
on the distribution tube to
release from slip joint.
Disassemble the distribution
tube by loosening the two (2)
middle thumbscrews and
dividing the distribution tube
into two pieces.
12
Remove the water trough.
Depress tabs on right and left
side of the water trough.
Allow front of water trough to
drop as you pull forward to
disengage the rear pins.
13
Remove the water pump.
Grasp pump and pull straight
down on pump assembly until
it disengages and the
electrical connector is visible.
Disconnect the electrical con-
nector. Remove the water
pump assembly from ice
machine.
14
Remove the water level probe.
Pull the water level probe
straight down to disengage.
Lower the water level probe
until the wiring connector is
visible.
Disconnect the wire lead from
the water level probe.
Remove the water level probe
from the ice machine.
15
DeLime plastic parts.
Mix the correct amount of
delimer with 4 gallons
(15 liters) of warm water in a
three-compartment sink.
Kay Delimer - 4 packets
or
McD KL - 150 ml
Place the plastic parts in the
solution and soak for 10-15
minutes.
Only soak the water pump up
to the O-ring.
Do not submerge the motor
section.
16
Clean surface areas of ice
machine.
Use a clean towel soaked in
delimer solution to wipe ice
machine surfaces, including
the sides, walls and base (area
above water trough).
17
Rinse and sanitize plastic
parts.
Prepare Sanitizer and warm
water in a three-compartment
sink.
Kay 5 - Mix 2 packets with 5
gallons (19 liters) water.
or
McD DR - Add 19 liters (5
gallons)
Remove plastic parts from
delimer solution & rinse in
clean water. Place the plastic
parts in the sanitizer solution
and soak for at least one
minute.
Only soak the water pump up
to the O-ring.
Do not submerge the motor
section.

Clean and sanitize ice machine (continued)
©McDonald’s Corporation · Planned Maintenance Manual · Revised February 2019 Page 4 of 4
Manitowoc Ice
Machine Models Indigo®NXT
Monthly
BE 13 M1
18
Sanitize surface areas of ice
machine.
Use a clean sanitizer soaked
towel to sanitize ice machine
surfaces, including the side
walls, base (area above water
trough), and the bin or
dispenser. Rinse with a clean
water soaked towel.
19
Reinstall plastic evaporator
parts.
Return the parts to the ice
machine and reassemble.
(Perform Steps 14 to 9 in
reverse order).
20
Restore power to the ice
machine.
Turn power on at the breaker
or electrical disconnect.
21
Prepare Sanitizer.
Prepare the correct amount of
sanitizer.
IF300, IT420, IT520, IT620
Kay 5 - Mix 1 packet with 1
liter of water.
Or
McD DR - Measure 25 ml
IT1200, IF1400C, IT1500,
IF1800C, IT1900, IF2100C
Kay 5 - Mix 3 packets with 1
liter of water
Or
McD DR - Measure 60 ml
For all other models
Kay 5 - Mix 2 packets with 1
liter of water
McD DR - Measure 40 ml
*Amounts vary by ice machine size
due to amount of water being held in
the water troughs of each machine.
Larger machines hold more water.
Concentration should remain the
same.
Sanitizer
22
Press CLEAN switch.
Push the clean button then
select “Turn on when
complete”.
sanitize cycle.
Check box to return to ON
(start ice making) at the
completion of sanitizing.
23
Sanitize evaporator and water
circulation system.
Wait for approximately 3
minutes until “Please add
chemicals” is displayed, then
pour the sanitizer solution
into the water trough and
press “Chemicals added”.
24
Reinstall front panels and
tighten screws.
25
Clean and sanitize bin.
Clean ice bin by wiping
interior with a clean delimer
soaked towel.
Rinse interior by wiping with
a clean water soaked towel.
Sanitize interior by wiping
with a clean sanitizer-soaked
towel.
Rinse interior by wiping with
a clean water soaked towel.
Use Glass and Multi-Surface
Cleaner to clean the exterior
of the bin and ice machine.
Note: When a dispenser is
used, refer to dispenser
disassembly, cleaning and
sanitizing procedures.