Page 1
2518 Series
CHECK
WATER LEVEL
DAILY
CAUTION
HOT ALKALI
DO NOT USE
FLAMMABLE
SOLUTIONS
DO NOT
OPEN WHILE
PUMP IS
RUNNING
A
TTENTION
USE ONL
Y CU
D
A APP
R
O
VED
DETERGENTS
TO EXTEND
LABOR
WARRANTY T
O 1-YEAR!
MIX DETERGENTS 1 LB (1/2 KG) PER
5-GALLONS (15 LITERS) OF
W
A
TER
For CUDA Appro
ved Dete
r
g
ents visit
http://ww
w
.cudausa.com or
call 888-319-0882
9.807-513.0
90-DAY LABOR WARRANTY
EXTENDS TO 1-YEAR
WITH EXCLUSIVE USE OF
CUDA DETERGE
NTS
LIMITED
Operator’ s Manual
Automatic Parts Washer
Top-Load
MODELS: 1.043-342.0
1.043-343.0
1.043-344.0
1.043-345.0
1.043-380.0
1.043-381.0
1.043-508.0
1.043-509.0
1.043-510.0
WARNING:
This product can expose you to chemicals which are known to the
State of California to cause cancer and birth defects or other
reproductive harm.
For more information about this regulation: www.P65Warnings.ca.gov
1.043-51 1.0
1.043-512.0
1.043-514.0
For technical assistance or
for the dealer nearest you
visit our website at
www.CudaUSA.com
8.915-630.0-AM 06/20/18
Page 2
Machine Data Label
2 Cuda 2518 Operator’s Manual 8.915-630.0 - AM
Page 3
Table of Contents
Machine Data Label. . . . . . . . . . . . . . . . . . . . . . . . . .2
Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . .3
How To Use This Manual . . . . . . . . . . . . . . . . . . . . .4
Safety
Introduction & Safety Information . . . . . . . . . . . . . . .5
General Safety Information. . . . . . . . . . . . . . . . . . . .6
Operations
Component Identification - Front. . . . . . . . . . . . . . . .8
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . .10
Step 1: Make Electrical Connections . . . . . . . . . . .10
Step 2: Connect a Compressed-Air Line and
Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Step 3: Fill the Machine With Water . . . . . . . . . . . .11
Main Operating Components . . . . . . . . . . . . . . . . .12
Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Heater Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Wash Cycle Control . . . . . . . . . . . . . . . . . . . . . . . .12
Low Water Indicator . . . . . . . . . . . . . . . . . . . . . . . .12
Lid Safety Switch . . . . . . . . . . . . . . . . . . . . . . . . . .12
Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Debris Screen. . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Air Flow Valve (Optional) . . . . . . . . . . . . . . . . . . . .13
Power Brush (Optional). . . . . . . . . . . . . . . . . . . . . .13
Detail Brush and Flow Regulator (Optional) . . . . . .14
Oil Skimmer System . . . . . . . . . . . . . . . . . . . . . . . .14
Low Water Shut-Off . . . . . . . . . . . . . . . . . . . . . . . .14
Water Level. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Automatic Water Fill . . . . . . . . . . . . . . . . . . . . . . . .15
Detergents & Additives . . . . . . . . . . . . . . . . . . . . . .16
Preparing the Machine for Use . . . . . . . . . . . . . . . .16
Washing Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Using the Oil Skimmer . . . . . . . . . . . . . . . . . . . . . .16
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Troubleshooting The Electrical System . . . . . . . . .22
Testing Individual Components. . . . . . . . . . . . . . . .23
Wash Cycle, Heater and Skimmer Timers . . . . . . .23
Lid Safety Switch . . . . . . . . . . . . . . . . . . . . . . . . . .23
Heating Element . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Start Capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Parts
Cuda 2518 Front. . . . . . . . . . . . . . . . . . . . . . . . . . 30
Spray Arm. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Cuda 2518 Rear . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Cuda 2518 Options. . . . . . . . . . . . . . . . . . . . . . . . 40
208V 1 Phase Electrical Panel . . . . . . . . . . . . . . . 44
230V 1 Phase Electrical Panel . . . . . . . . . . . . . . . 46
208V 3 Phase Electrical Panel . . . . . . . . . . . . . . . 48
230V 3 Phase Electrical Panel . . . . . . . . . . . . . . . 50
460V 3 Phase Electrical Panel . . . . . . . . . . . . . . . 52
575V 3 Phase Electrical Panel . . . . . . . . . . . . . . . 54
Filtration With Sump Sweep . . . . . . . . . . . . . . . . . 56
Factory Installed Filtration. . . . . . . . . . . . . . . . . . . 58
Oil Skimmer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Maintenance
Shutting Down The Machine. . . . . . . . . . . . . . . . . .17
Maintenance and Repair . . . . . . . . . . . . . . . . . . . . .17
Daily Maintenance . . . . . . . . . . . . . . . . . . . . . . . . .17
Weekly Maintenance. . . . . . . . . . . . . . . . . . . . . . . .17
Monthly Maintenance . . . . . . . . . . . . . . . . . . . . . . .17
Semi-Annual Maintenance . . . . . . . . . . . . . . . . . . .17
Cleaning and Aligning the Spray Nozzles. . . . . . . .17
Cleaning out the Sump . . . . . . . . . . . . . . . . . . . . . .18
Repairing The Machine. . . . . . . . . . . . . . . . . . . . . .18
Heating Element . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Turntable Motor. . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Timers and Switches on the Control Panel. . . . . . .20
Skimmer Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Cuda 2518 Operator’s Manual 8.915-630.0 - AM
3
Page 4
How To Use This Manual
Model:
Date of Purchase:
Serial Number:
Dealer:
Address:
Phone Number:
Sales Representative:
This manual contains the following sections:
• How to Use This Manual
•Safety
• Operations
• Maintenance
• Parts List
The HOW TO USE THIS MANUAL section will tell you
how to find important information for ordering correct
repair parts.
Parts may be ordered from authorized dealers. When
placing an order for parts, the machine model and
machine serial number are important. Refer to the
MACHINE DATA box which is filled out during the
installation of your machine. The MACHINE DATA box
is located on the inside of the front cover of this manual.
The model and serial number of your machine is
located on the back of the machine.
The SAFETY section contains important information
regarding hazardous or unsafe practices of the
machine. Levels of hazards are identified that could
result in product damage, personal injury, or severe
injury resulting in death.
The OPERAT IONS section is to familiarize the operator
with the operation and function of the machine.
The MAINTENANCE section contains preventive maintenance to keep the machine and its components in
good working condition. They are listed in this general
order:
• Maintenance And Repair
• Daily Maintenance
• Weekly Maintenance
• Monthly Maintenance
• Semi-Annual Maintenance
• Using The Oil Skimmer
• Cleaning And Aligning The Spray Nozzles
• Cleaning Out The Sump
• Repairing The Machine
• Heating Element
•Thermostat
• Turntable Motor
• Timers And Switches on The Control Panel
• Skimmer Motor
• Troubleshooting
• Troubleshooting The Electrical System
• Testing Individual Components
4
Cuda 2518 Operator’s Manual 8.915-630.0 - AM
The PARTS LIST section contains assembled parts
illustrations and corresponding parts list. The parts lists
include a number of columns of information:
• REF – column refers to the reference number
on the parts illustration.
• PART NO. – column lists the part number for
the part.
• QTY – column lists the quantity of the part used
in that area of the machine.
• DESCRIPTION – column is a brief description
of the part.
• NOTES – column for information not noted by
the other columns.
NOTE: If a service or option kit is installed on your
machine, be sure to keep the KIT INSTRUCTIONS
which came with the kit. It contains replacement parts
numbers needed for ordering future parts.
NOTE: The manual part number is located on the
lower right corner of the front cover.
Page 5
Introduction & Safety Information
This manual is intended as a guide for safely installing,
operating and maintaining your automatic parts washer
system.
We reserve the right to make changes at any time
without incurring any obligation.
Owner/User Responsibility:
The owner and/or user must have an understanding of
the manufacturer’s operating instructions and warnings
before using this machine. Warning information should
be emphasized and understood. If the operator is not
fluent in English, the manufacturer’s instructions and
warnings shall be read to and discussed with the
operator in the operator’s native language by the
purchaser/owner, making sure that the operator
comprehends its contents.
Owner and/or user must study and maintain for future
reference the manufacturers’ instructions.
Safety
SAVE THESE INSTRUCTIONS
This manual should be considered a permanent
part of the machine and should remain with it if
machine is resold.
When ordering parts, please specif y mo de l an d
serial number. Use only id entical replacement
parts.
This machine is to be used only by trained
operators.
Cuda 2518 Operator’s Manual 8.915-630.0 - AM
5
Page 6
Safety
WARNING
READ OPERATOR’S
MANUAL THOROUGHLY
PRIOR TO USE.
OPERATIONS
SAFETY
MAINTENANCE
WARNING
RISK OF EXPLOSION:
AVOID FLAMMABLE
LIQUIDS.
DANGER
KEEP WATER
SPRAY AWAY FROM
ELECTRICAL WIRING.
WARNING
EXTREMELY HOT:
USE CAUTION WHEN
OPENING LID
General Safety Information
WARNING: T o reduce the risk of
injury, read operating instructions carefully before using.
AVERTISSEMENT: Pour réduire
le risque de blessures, lire
attentivement les instructions
de fonctionnement avant
l'utilisation.
1.Read the owner’s manual thor-
oughly. Failure to follow instructions could cause a malfunction of the parts washer
and result in death, serious bodily injury and/or
property damage.
WARNING: This equipment incorporates electrical
parts that tend to produce arcs or sparks. Therefore, when located in a garage, it should be
installed 18” (457mm) or more above the floor.
AVERTISSIMENT : Cet équipement comprend des
pièces qui produisent des étincelles et, par
conséquent, lorsque l'appareil se trouve dans un
garage, il devrait être installé à 18” (457mm) ou
plus du sol.
WARNING: This is a heated
parts cleaner. Use only
nonflammable, noncombustible, water-based cleaning
compounds in this machine. Do
not fill or contaminate with any
flammable or combustible
material such as gasoline,
alcohol, mineral spirits, etc.
Drain parts to be cleaned of any
combustible or flammable
material before placing inside cabinet. Failure to
observe this warning will create an extremely
hazardous condition.
AVERTISSEMENT: Ceci est un nettoyant pour les
pièces chauffées. Utiliser uniquement des produits
de nettoyage à base d'eau, ininflammable et non
combustible dans cette. Ne pas remplir ou
contaminer avec une substance inflammable ou
combustible comme de l'essence, de l'alcool, de
l'essence minérale, etc. Drainer les pièces à
nettoyer de toute substance combustible ou
inflammable avant de les placer à l'intérieur de
l'armoire.Le non-respect de cet avertissement
créera une condition extrêmement dangereuse.
DANGER: Keep water away
from electric wiring or fatal
electric shock may result.
DANGER:
Garder le jet d'eau à
l'écart de tout câblage électrique
ou des chocs électriques mortels
pourraient survenir.
2.All installations must comply
with local codes. Contact your
electrician, plumber, utility
company or the selling dealer for specific details.
Install the machine in compliance with the National
Electric Code. Connect to a properly sized lockable
disconnect and ground machine using the
grounding stud inside the main electrical panel.
3. Do not locate this machine in the vicinity of any
flammable vapor, liquids or solids.
4. To protect the operator from electrical shock, the
machine must be electrically grounded. It is the
responsibility of the owner to connect this machine
to a grounded receptacle of proper voltage and
amperage ratings. Do not touch machine with wet
hands or while standing in water. Always disconnect the power before servicing.
5. Do not touch machine with wet hands or while
standing in water. Always disconnect the power
before servicing.
6. Never make adjustments on machine while it is in
operation except those prescribed in this manual.
WARNING: Us e extreme caution
when opening the door of this
parts washer. Hot water/
detergent vapors will be
emitted. Stand Back! Hot
cleaning solution could cause
serious injury.
AVERTISSEMENT:
Faire preuve
d'extrême prudence au moment
d'ouvrir le volet de cette partie de
la laveuse. De l'eau chaude/des
vapeurs de détergent seront émises. Se tenir à l'écart!
Une solution de nettoyage chaude haute pression
pourrait causer des blessures graves.
7. Before servicing the machine, refer to all safety
data sheets (SDS’s) on the material identified in
the waste stream. You must comply with all
warnings and wear all protective clothing stated on
the SDS.
6
Cuda 2518 Operator’s Manual 8.915-630.0 - AM
Page 7
Safety
WARNING: Slips and falls from wet surfaces could
cause serious injury.
AVERTISSEMENT:
causés par des surfaces humides pourraient causer
des blessures graves.
Les chutes et les trébuchements
8. Use caution when lifting items in and out of parts
basket to prevent back injuries.
9. When the machine is working, do not cover or
place in a closed space where ventilation is insufficient. Avoid installing machines in small confined
areas.
10. In cold climates, this parts washer will freeze if not
in operation and must be located in a heated enclosure.
11. Maintain an unobstructed work area around the
machine and keep the floor free of water, oil,
grease or other foreign substances.
12. Always ensure that your parts washer is clean.
Pump and heating elements could be damaged by
continued build-up of sludge.
13. Check water level daily. Never allow water level to
drop below pump inlet screen or heating elements.
14. Before discarding the spent washing solution,
check with your local EPA or sewer district for
disposal regulations.
15. Do not operate the machine with the lid or door
open and do not override the safety switch.
16. After the machine stops, wait 10 seconds before
opening the lid or door.
This automatic parts washer is designed to operate
safely and efficiently. Before you begin to install and
use the machine, please familiarize yourself with the
major components.
Cuda 2518 Operator’s Manual 8.915-630.0 - AM
7
Page 8
Operations
Steam Vent
Control
Panel
Sump
Drain
Debris
Tra y
Detail Brush
Assembly
(Optional)
Power Brush
(Optional)
Access
Panel
Lid Support
Strut
Lid Handle
3 Way Air Valve
(Optional)
Oil
Skimmer
Assy.
Oil
Collection
Container
Component Identification - Front
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8
Cuda 2518 Operator’s Manual 8.915-630.0 - AM
Page 9
Component Identification - Rear
CHECK
WATER LE
VEL
DA
ILY
CA
UTIO
N
HO
T ALKALI
DO NO
T USE
FLAMMABLE
SOLUTION
S
DO NO
T
OPEN
WH
IL
E
PUMP IS
R
U
NNIN
G
D
ANGER
HIGH
VOLTAGE
W
ARNING
W
ARNING
Heating
Element/
Thermostat
Assy.
Power
Cord
Optional
Autofill
Assy.
Drive Motor
Assy.
Electrical
Box
Low Water
Shutoff
Sump
Pump
Access Panel
Steam
Vent
Control Panel
Operations
Cuda 2518 Operator’s Manual 8.915-630.0 - AM
9
Page 10
Operations
Incoming Power
Terminal Strip
Ground
Lug
Compressed Air
Connection
To Power
Brush
Air Flow
Adjustment
Knob
To Detail
Brush
Installation
Read and understand this entire section before you
install your machine.
If you have any questions regarding the installation,
please contact your dealer or call a customer service
representative. When contacting customer service
please refer to the machine identification tag inside the
front cover of this manual for detailed machine specifications.
Before You Begin
To prepare to install your new automatic parts washer,
choose an unobstructed, level site that allows convenient access for operators and maintenance personnel.
Sources for water and electrical power should be
located near the installation site. If your machine is
equipped with the optional power brush and hand detail
brush you must also run a compressed air lin e to the
installing site.
Step 1: Make Electrical Connections
Step 2: Connect a Compressed-Air Line
and Accessories
This step is required for machines equipped with the
optional power brush and hand detail brush. If your
machine does not have these options, skip the
following procedure.
To ensure proper operation and to minimize the possibility of premature component failure, make sure the
compressed air is supplied at 75 to 90 psi. It is also
recommended that an in-line moisture trap and an inline lubricator be installed on the main air supply line.
Refer to the documentation provided with the air brush
for more information.
1. Remove the power brush from the box, install the
wire brush in the chuck and connect the air hose.
2. Familiarize yourself with the three-way air flow
select valve (See Figure Be low) then install a fitting
to accommodate a connection to your compressed
air supply.
NOTE: All electrical installation tasks must be
performed by a licensed, professional electrician to
ensure safe and proper operation. The installation
must comply with the National Electric Code and all
applicable state and local codes.
The machine can only operate on the type of electrical
power indicated on the machine identification tag. Read
and understand the machine identification tag to
determine the electrical power requirements before
installing the machine.
10
Cuda 2518 Operator’s Manual 8.915-630.0 - AM
3. Connect the shop compressed-air line to the
machine.
4. Connect the hose from the power brush to the air
flow select valve.
5. Hang the power brush on the bracket mounted
along the right side of the machine.
Page 11
Operations
Low Water
Indicator
Step 3: Fill the Machine With Water
1. Familiarize yourself with the water level indicator
light on the control panel.
2. Open the right sump cover and feed a water hose
directly into the sump chamber
3. Fill the sump with water. The sump capacity is 50
gallons.
4. When the low water level indicator light turns off,
the sump is full. Turn off the water.
NOTE: Monitor the water level carefully - do not
overfill the machine. If you overfill the machine,
remove excess water using a small submersible
pump or a suitable container. The correct water level
is two inches from the top of the access door when
the pump is off.
5. Close the lid.
6. Turn the heater timer to the 2 hour position. The
sump will reach operating temperature (160°180°F) in approximately one hour.
7. While the sump water is heating, add the appropriate quantity of factory approved detergent to the
wash chamber. We recommend mixing the
detergent with warm water in a separate bucket/
container and then pouring the dissolved detergent
into the sump.
NOTE: Factory approved detergent is the only
detergent approved for use with this automatic parts
washer. It is specially formulated with rust inhibitors
and anti-foaming agents to optimize performance and
minimize maintenance. The use of any other
detergent during the warranty period will void the
warranty. In addition, using factory detergents will
extend your 90 day labor warranty to 1 year.
8. Close the lid.
9. Turn the wash cycle timer to 2 hours for the first
time and allow the machine to complete the cycle
to thoroughly dissolve the detergent into the water.
When the machine stops (and after the wash water
reaches operating temperature), it is re ady for u se.
Refer to Operation for complete operating instructions.
Cuda 2518 Operator’s Manual 8.915-630.0 - AM
11
Page 12
Operations
Heater
Control
Oil
Skimmer
Control
Turntable
Switch
Low Water
Indicator
Wash Cycle
Control
Increase
T
emperature
Decrease
Temperature
Adjustment
Screw
Main Operating Components
Familiarize yourself with the main operating components before operating the machine.
Control Panel
The control panel is located on the front center of the lid
and it contains the controls for the heater, wash cycle,
oil skimmer, turntable and low-water indicator light.
Set to OFF, the turntable does not rotate during the
wash cycle. The switch is useful for washing large parts
that would otherwise impede turntable rotation.
Low Water Indicator
The low water indicator light illuminates if the wash
solution in the sump is low.
Lid Safety Switch
The lid safety switch is located on the front edge of the
cleaning chamber. This feature ensures that the water
pump and turntable motor do not operate if the lid is
open or unsecured. The safety switch is adjustable.
Adjusting the Lid safety Switch
To adjust the safety switch, remove the control panel,
adjust the switch and replace the control panel. When
properly adjusted, you should hear a slight ‘click’ as the
lid closes.
Thermostat
The thermostat is located inside the heating element
and thermostat enclosure. The thermostat is factory set
to heat the wash solution to a maximum temperature of
180°F.
Heater Control
The heater control is a 12-hour timer switch. It controls
the heating element in the sump chamber. The heater
control is thermostatically set at the factory to reach a
high temperature of 180°F. The temperature is adjustable using the thermostat (See Section on Thermostat
for Illustration).
Wash Cycle Control
The wash cycle control is a 60-minute timer switch with
a hold feature. When set between 1 and 60 minutes,
the timer automatically shuts off the pump and turntable
when the wash cycle is complete. When set to hold,
the pump and turntable run continuously until manually
shut off.
Oil Skimmer Control
The oil skimmer control is a 30-minute timer switch that
controls the automatic oil skimmer system.
Turntable Sw it ch
The turntable switch is a simple rocker switch that
enables you to disconnect power to the turntable motor .
Set to ON, the turntable rotates during the wash cycle.
Adjusting the Thermostat
To adjust the thermostat, rotate the adjustmen t scr ew
or knob clockwise to increase the temperature, or counterclockwise to decrease the temperature.
12
Cuda 2518 Operator’s Manual 8.915-630.0 - AM
Page 13
Operations
Throttle
Lever Loc
k
Throttle
Lever
Debris Screen
The debris screen is located just below the wash
chamber and is accessible from the front of the
machine. The debris screen continuously filters debris
particles from the cleaning solution to ensure blockagefree spray nozzle operation and also provides a
safeguard against small parts that might accidentally be
washed through from the cleaning chamber.
The frequency at which you must clean the debris
screen depends on machine usage. In general, you
should clean the screen before operating the machine
each day.
NOTE: Never operate the machine without the debris
screen in place and never remove the screen while
the machine is operating. The screen is specially
sized to filter particles that could clog the spray
nozzles or damage the water pump. Operating the
machine without the debris screen in place could
cause spray nozzle clogging, or water pump failure.
Air Flow Valve (Optional)
The air flow valve is located on the right rear corner of
the machine. It is a three-way ball valve that controls
the flow of compressed air to the power brush and the
hand detail brush.
Position #1 - Power Brush
Position #2 - Detail Brush
Power Brush (Optional)
The power brush is located on the right front corner of
the machine.
NOTE: The power brush is a standard component on
the model H
an option on the base model H
0-2518 Deluxe Edition. It is available as
2
0-2518.
2
Using the Power Brush
With stiff stainless steel bristles turning at 1800 RPM,
the power brush easily removes carbon depo sits, old
gasket material, or other tightly adhered materials from
parts before washing.
To turn on the power brush, position the air flow select
valve, then push the power brush lever lock forward
with your thumb and squeeze the throttle lever to
control the speed of the brush.
WARNING: Particles dislodged by the power brush
could cause serious injury to your eyes. Always
wear approved eye and hand protection when
using the power brush.
Cuda 2518 Operator’s Manual 8.915-630.0 - AM
13
Page 14
Operations
Detail Brush
Tank Rear
Wall
Air V
alve
Optional
Detail Brush
Assembly
Pump
Oil
Skimmer
Disk
Skimmer
Blades
Motor
Housing
Oil Collection
Container
Proximity
Switch
Rod
Detail Brush and Flow Regulator
(Optional)
The detail brush is located on the front inside wall of the
wash chamber. The flow regulator is located on the
right rear corner of the machine (See Figure Below).
The detail brush uses a continuous flow of hot cleaning
solution through its nylon bristles to help you clean
delicate or lightly soiled parts. The flow regulator
controls the flow of cleaning solution through the detail
brush.
Adjusting the Flow of Cleaning Solution
The flow of cleaning solution through the detail brush is
pre-set at the factory. If you need to adjust the flow, pull
out the flow regulator knob, then rotate it clockwise to
decrease the flow or counterclockwise to increase the
flow. After adjusting, push the knob back in to lock it.
Oil Skimmer System
The oil skimmer system is located on the right rear
corner of the machine. It automatically removes oil from
the wash solution to prolong its useful life. Refer to
Using the Oil Skimmer section.
Low Water Shut-Off
The low-water shut-off system (See Figure Below)
shuts down the machine if the wash solution in the
sump chamber drops below a safe level. The system
uses two proximity switches and a float rod mounted
near the rear of the sump chamber to monitor the water
level.
NOTE: The detail brush is available as an option on
the base model H
O-2518.
2
Float
NOTE: If your machine is equipped with the optional
automatic water fill feature, the sump will
automatically fill when the water level drops below the
lower low water proximity switch.
14
Cuda 2518 Operator’s Manual 8.915-630.0 - AM
Page 15
Water Level
WATER LEVEL OK:
Both switches OPEN, Automatic
Water Fill Valve (if installed) CLOSED,
Heating Element ON.
LOW WATER LEVEL:
Top switch CLOSED, Bottom Switch
CLOSED, Automatic Water Fill Valve (if
installed) OPEN, Heating Element OFF.
SUMP FILLING:
Top switch CLOSED, Bottom Switch
OPEN, Automatic Water Fill Valve (if
installed) OPEN, Heating Element OFF.
Under typical operating conditions the machine loses 3
to 5 gallons of water per day to evaporation. It is
important that you monitor and maintain the water level
daily to minimize the risk of burning out the heating
element or ruining the pump.
NOTE: Add detergent each time you add water. Add
detergent after you clean the sump chamber each
month, and more frequently if your cleaning cycle
maintenance period is more frequent, and if you
notice specific low-detergent indicators (See
Detergents and Additives).
Automatic Water Fill
The automatic water fill system automatically maintains
a proper water level in the sump. It is available as an
option on model H
The automatic water fill system uses the low-water
shut-off proximity switches to open and close a water
solenoid valve, which automatically maintains a proper
water level in the sump. The figures below describe the
operation of the automatic water fill system.
O-2518 machines.
2
Operations
Automatic Water Fill Diagram:
Cuda 2518 Operator’s Manual 8.915-630.0 - AM
15
Page 16
Operations
Detergents & Additives
Detergents
Manufacturer's detergents are the only detergents
approved for use with our Automatic Parts washers.
They are specially formulated with rust inhibitors and
anti-foaming agents to optimize performance and
minimize maintenance. The use of any other deter gent
during the warranty period will void the warranty.
T o moni tor the relative concentration of the detergent in
the wash solution, periodically examine the was h
solution in the sump chamber for the following
indicators:
• Rust inside the machine: not enough
detergent
• Excessive foaming: not enough detergent
• Thick, white residue on parts after washing:
too much detergent
To maintain proper detergent concentration under
typical operating conditions, add detergent each month
after cleaning the sump chamber. Follow recommended detergent quantities. Use pH kit to determine
the proper amount of detergent to use. If you n eed help
interpreting test results, contact customer service.
Rust Inhibitor Additive
Factory detergents protect the entire inside of your
machine against the degenerative effects of water
evaporation. A rust inhibitor additive actually evaporates with the water and continuously coats and
protects metal surfaces, even while your machine is
sitting idle. For more information, contact your distributor or call customer service.
Washing Parts
The following procedure assumes that the heater is on
and the sump water is at operating temperature.
To wash parts, perform the following procedure.
1. Load large, heavy parts directly onto the turntable.
Load small, light parts in the small parts basket
provided with your machine. Make sure none of the
parts extend beyond the edge of the turntable and
make sure large, light parts (valve covers, for
example) are secured to the turntable.
NOTE: For optimum cleaning performance, provide a
slight clearance between parts to allow adequate flow
of cleaning solution around and between them.
2. Close the lid.
3. Set the wash cycle timer to between 1 and 60
minutes for a timed wash cycle, or set it to Hold for
a continuous wash.
4. When the machine automatically stops (or after
you manually stop the wash cycle), open the lid
and wait a few moments to allow the parts to cool
and dry before removing them. Most parts will
flash-dry in seconds.
Using the Oil Skimmer
The oil skimmer is most effective if used when the
cleaning solution is cool, and after it has been sitting for
at least thirty minutes. The frequency at which you must
remove the oil from the wash solution will depend on
machine usage. Under typical operating conditions you
can expect to remove the oil once each week.
To remove oil from the cleaning solution, perform the
following procedure:
Preparing the Machine for Use
Before you begin to wash parts, it is important that you
properly prepare the machine. Before you be gin to u se
the machine each day:
• check the water level and add water to the
sump tank if necessary;
• heat the water to operating temperature;
• add detergent if necessary;
• verify that none of the spray nozzles are
clogged; and clean the debris screen.
16
Cuda 2518 Operator’s Manual 8.915-630.0 - AM
1. Allow the machine to sit idle for at least 30 minutes
to allow the oil to float to the surface of the wash
solution.
Page 17
Maintenance
Oil
Skimmer
Disk
Skimmer
Blades
Motor
Housing
Oil Collection
Container
2. Ensure that the oil collection container is in place
(See Figure Below), then turn the skimmer switch
to the 30-minute position.
3. Allow the oil skimmer to operate until it is no longer
extracting oil from the cleaning solution.
TIP: While extracting oil from the cleaning solution, oil
will flow off the wiper blades in a fine continuous
stream. Water will flow off the blades in droplets. Once
droplets begin to flow off of the wiper blades, stop the
skimmer motor.
4. When the skimmer motor stops, dispose of the oil
in the collection container in accordance with local,
state and federal regulations, then replace the
container.
Shutting Down The Machine
To shut down the machine at the end of the day:
Daily Maintenance
• Check the water level; add water if necessary.
• Clean the debris screen.
Weekly Maintenance
• Detergent Concentration Level: Check
detergent level weekly to maintain concentration level which decreases when water is
added. The pH level of this detergent must be in
accordance with the detergent manufacturer's
recommendation.
• Remove oil from the wash solution using the oil
skimmer system (See Using the Oil Skimmer
System).
• Examine the spray nozzles; clean and align if
necessary (See Cleaning and Aligning the
Spray Nozzles).
• To maintain the integrity of the exterior finish,
wipe down the exterior of the machine using a
spray degreaser and a soft, damp cloth. TO
PREVENT ELECTRICAL COMPONENT
FAILURE, DO NOT SPRAY THE MACHINE
WITH WATER.
NOTE: Spray degreaser and a damp cloth will usually
remove all dirt and grime from the machine. For
particularly stubborn soap deposits, use a soft cloth
dampened with warm solution from the wash
chamber.
Monthly Maintenance
• Drain and clean out the sump chamber
(See Cleaning out the Sump).
• set the wash cycle timer to OFF;
• set the heater timer to OFF;
• set the oil skimmer to OFF;
• shut off the compressed air at the supply line
(if installed).
WARNING: If the heater is left unattended, the
water could evaporate and the oil and grease in the
wash chamber could catch fire.
For periods of extended shut-down, disconnect all
power to the machine.
Maintenance and Repair
To ensure optimum performance and trouble free operation, observe the following maintenance schedule
consistently.
Cuda 2518 Operator’s Manual 8.915-630.0 - AM
Semi-Annual Maintenance
• Lubricate the pivot on the turntable motor
assembly with machine oil or anti-seize.
Cleaning and Aligning the Spray Nozzles
To ensure optimum cleaning performance, it is
important that you examine the spray nozzles periodically and clean and align them if necessary.
To clean a plugged nozzle, remove it from the spray
pipe and use a small wire brush to free the nozzle of
any obstructions. When you replace the nozzle on the
spray pipe, make sure you align it according to the
following diagram to maintain a proper spray pattern.
17
Page 18
Maintenance
Top and Bottom Nozzles
Turntable
Side Nozzles
Align the Notch in Each
Spray Nozzle with the
Center of the Turntable
Rotate Each Nozzle
Approximately 3" from the
Center Line of the Pipe
Drive
Chain
Rotate turntable
clockwise until chain
reaches completely
around.
NOTE: The spray nozzles are positioned to optimize
the flow and distribution of cleaning solution in the
wash chamber. If you remove the nozzles, make sure
you replace them in the correct position on the
appropriate pipe. Spray nozzle specifications are
stamped on the face of each nozzle.
NOTE: Take special care to ensure that the heating
element is free of debris. A build up of debris around
the element will decrease heating performance and
may cause the element to overheat and fail.
5. Refill the sump with clean water.
6. Replace the debris screen and turntable. To
connect the drive chain to the turntable see the
figure below.
7. Heat the wash water to operating temperature,
then add 10 scoops (20 cups) of detergent for
normal operating conditions, or 12 scoops (24
cups) for heavy duty operating conditions.
Cleaning out the Sump
1. Remove oil from the cleaning solution using the oil
skimmer system.
2. Remove the turntable and the debris scr ee n. To
remove the turntable, slide the chain up from
around the perimeter of the turntable, then pull up
evenly on the turntable to remove it from the center
pin
NOTE: When you remove the chain from the
turntable, be sure to maintain some chain tension to
ensure that the chain does not disengage from the
drive pulley.
3. Drain the wash solution from the sump chamber.
4. Remove sand and other debris from the bottom of
the sump chamber. To remove the debris either
flush it out through the sump drain, or vacuum it out
using a wet/dry vac. Dispose of the debris in accordance with applicable local, state and federal regulations.
8. Run the machine through a 30-minute wash cycle.
Repairing The Machine
The following procedures outline the steps necessary
to replace specific items on the machine that could
wear out or otherwise fail.
Heating Element
Required tools and Equipment
• •5/16" wrench or socket
• •2" socket and breaker bar
• •sealing tape or compound
• •medium phillips-head screwdriver
Replacement Procedure
1. Disconnect power to the machine.
2. Drain the wash solution from the sump.
3. Remove the cover from the heating element and
thermostat enclosure (Two 5/16" screws).
18
Cuda 2518 Operator’s Manual 8.915-630.0 - AM
Page 19
Maintenance
Power
Leads
Heating
Element
Leads
Thermostat
4. Detach the two power leads from the heating
element.
5. Using a 2" socket and breaker bar, unscrew the
heating element from the machine.
NOTE: Since the heating element is in continuous
contact with the cleaning solution the threads may
corrode slightly. The element may be difficult to
remove. When you install a new heating element, use
sealing tape or compound on the threads to deter
corrosion.
6. Install the new heating element. Installation is the
reverse of removal.
Thermostat
Required Tools and Equipment
4. Using a large flat-head screwdriver, pry the thermostat out of the mounting bracket, then remove it
from the machine.
5. Install the new thermostat. Installation is the
reverse of removal.
NOTE: When you install the thermostat make sur e
you press it firmly into the mounting bracket. In order
to operate correctly, the thermostat must be in direct
contact with the rear wall of the sump chamber.
• 5/16" wrench or socket
• medium phillips-head screwdriver
• large flat-head screwdriver
Replacement Procedure
1. Disconnect power to the machine.
2. Remove the cover from the heating element and
thermostat enclosure (Two 5/16” screws).
3. Detach the two power leads from the heating
element.
Turntable Motor
Required Tools and Equipment
• 5/16" wrench or socket
• 1/8" hex key
• medium phillips-head screwdriver
Replacement Procedure
1. Disconnect power to the machine.
2. Disconnect the drive chain from the turntable.
3. Taking care not to kink or tangle the chain, place it
on the turntable and close the lid.
4. Remove the turntable motor cover (Two 5/16”
screws, See Figure On Next Page).
Cuda 2518 Operator’s Manual 8.915-630.0 - AM
19
Page 20
Maintenance
Steam
Shield
Disk
Motor
Compression
Springs
Access
Plate
Hex
Bolt
Screw
Motor Mount
Screws (4)
A
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USE
ON
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DETERGENTS
T
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LABO
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W
ARRANTY
TO 1-YEAR
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MIX DETERGENTS 1 LB (1/2
KG) PER
5-GALLONS (15
LITERS)
OF
W
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For
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90-DA
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W
ARRANT
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XTENDS TO 1-YEAR
W
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LI
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Screws
Screws
5. Remove the tension springs betwee n th e mo to r
and the rear wall of the wash chamber.
Replacement Procedure
1. Disconnect power to the machine.
2. Loosen the compression fitting on the back of the
lid to allow enough slack in the wires to access the
rear of the control panel when you remove it.
3. Remove the six 5/16” screws that hold the control
panel to the lid.
4. Remove the two screws, retaining nut and O-ring
that hold the timer switch to the control panel.
6. Remove the drive pulley access plate (Two 5/16"
screws.)
7. Disconnect all power leads from the motor, taking
care to mark them for reassembly.
8. Raise the motor and bracket to remove the
assembly from the pivot pin.
NOTE: You may have to reach into the drive pulley
access hole with your fingers to free the chain from
the drive pulley.
9. Use a 1/8” hex key to remove the pulley and steam
shield disk from the drive motor shaft, then remove
the four screws holding the motor to the mounting
bracket.
10. Install the new motor. Installation is the reverse
of removal.
Timers and Switches on the Control Panel
Required tools and Equipment
• 5/16” wrench or socket
• 1/2” wrench or deep socket
• small phillips-head screwdriver
• small flat-head screwdriver
5. Pull the control panel away from the lid. From the
rear of the panel remove the component you wish
to replace.
6. Attach the power leads to the new component,
then reassemble the control panel and replace it on
the machine. Installation is the reverse of removal.
Skimmer Motor
Required Tools and Equipment
• 5/16” wrench or socket
• 1/2” wrench or socket
• small phillips-head screwdriver
20
Cuda 2518 Operator’s Manual 8.915-630.0 - AM
Page 21
Maintenance
Screws
(Two On
Each Side)
Slide Cover
Toward Rear
To Remove
Wire
Nuts
Nut
Screws
Replacement Procedure
1. Disconnect power to the machine.
2. Remove two 5/16” screws to remove the skimmer
motor cover.
4. Remove the two 1/2” bolts from the skimmer
assembly mounting plate to remove the skimmer
assembly from the machine.
5. Remove the two screws from the center of the
skimmer disk to detach the disk from the skimmer
assembly. To remove the disk, disengage it from
the center pin then slide it down.
3. Remove the two wire nuts from the power leads to
disconnect the leads from the motor, and disconnect the conduit from the motor housing.
6. Remove the three screws from the skimmer motor
mounting plate to remove the motor from the
skimmer assembly
7. Reassemble the skimmer and replace it on the
machine. Assembly is the reverse of removal.
Cuda 2518 Operator’s Manual 8.915-630.0 - AM
21
Page 22
Maintenance
DANGER
KEEP WATER
SPRAY AWAY FROM
ELECTRICAL WIRING.
Transformer
Ground
Lug
Relays
Pump
Overload
Relay
Timer
Pump
Fuses
Heater
Fuses
Terminal
Strip
None
Power
ON
Power
OFF
Power
OFF
Power
OFF
Power
OFF
Measure Voltage Across
L1, and L2 Terminals on
Junction Box
Electrical Panel is OK,
Check Main Power
Disconnect
Remove Primary Fuses;
Measure the Resistance
of Each
Fuse is Blown; Replace
Blown Fuse
Remove Secondary
Fuse; Measure the
Resistance
Seconda ry Fuse is
Blown; Replace Fuse
Remove Heater Fuses;
Measure the Resista
nce
of Each
One of the Heater Fuses
is Blown; Replace the
Blown Fuse
Remove Pump Fuses;
Measure the Resistance
of Each
One of the Pump Fuses
is Blown; Replace the
Blown Fuse
Electrica l Pa nel is
OK, Refer to Testing
Individual Components
208 to 240V
approximately 0 Ohms
approximately 0 Ohms
approximately 0 Ohms
approximately 0 Ohms
None
∞
∞
∞
∞
Troubleshooting
T roubleshooting The Electrical System
To troubleshoot the electrical system use the following
diagrams to eliminate the possibility of a blown fuse or
a bad connection, then refer to Testing Individual
Components to determine which component is caus ing
the problem.
DANGER: Keep water away from
electric wiring or fatal electric
shock may result.
• Electrical troubleshooting should be performed
by qualified personnel only.
• Avoid contact with power leads, terminals and
fuses when power is connected.
• Disconnect power to machine before removing
fuses or other electrical components.
22
Cuda 2518 Operator’s Manual 8.915-630.0 - AM
Page 23
Maintenance
Lid Safety
Switch
Heating
Element
Power
Leads
Testing Individual Components
NOTE: The following troubleshooting procedures
require the use of a volt/ohm meter. If you are not
familiar with using a volt/ohm meter do not attempt to
perform the following troubleshooting procedures. If
you need assistance please contact your distributor.
Wash Cycle, Heater and Skimmer Timers
1. Disconnect power to the machine.
2. Remove the timer from the control panel and
disconnect all wires.
3. With the timer in the OFF position, test for continuity using the ohm meter.
If there is continuity the timer is no longer functional; replace the timer.
4. With the timer in the ON position, test for continuity
using an ohm meter.
If there is not continuity the timer is no longer functional; replace the timer.
Lid Safety Switch
1. Disconnect power to the machine.
Heating Element
1. Disconnect power to machine.
2. Remove the cover from the heating element and
thermostat enclosure (Two 5/16" screws).
3. Detach the two power leads from the heating
element.
4. Use an ohm meter to measure the resistance of
the heating element. The resistance should be
approximately 10 ohms; if not, replace the heating
element.
2. Remove the switch from the control panel and
disconnect all wires.
3. With the switch fully open (not depressed), test for
continuity.
If there is continuity the switch is no longer functional; replace the switch.
4. With the switch fully closed (depressed), test for
continuity.
If there is not continuity the switch is no longer
functional; replace the switch.
Cuda 2518 Operator’s Manual 8.915-630.0 - AM
23
Page 24
Maintenance
Start
Capacitor
Screws
Mounting
Bracket
Power
Leads
Thermostat
1. Disconnect power to the machine.
2. Remove the cover from the heating element and
thermostat enclosure (Two 5/16” Screws).
3. Detach the two power leads from the thermostat.
4. Using a large flat-head screwdriver, pry the thermostat out of the mounting bracket, then remove it
from the machine
5. Set the thermostat to 120°F, warm it to just above
120°F, then test for continuity.
If there is continuity the thermostat is no longer
functional; replace the thermostat.
6. Allow the thermostat to cool to room temperature,
then test for continuity.
Start Capacitor
1. Disconnect power to the machine.
2. Remove the turntable motor cover (Two 5/16"
screws).
3. Visually inspect the start capacitor. If it appears
swollen or deformed, it is no longer functional;
replace the start capacitor.
4. If the start capacitor is not visibly failed, remove it
from the motor bracket, disconnect the wires, and
test it for shorts using an ohm meter.
If there is not continuity the thermostat is no longer
functional; replace the thermostat.
If the ohm meter reads approximately 1 ohm, the
start capacitor is no longer functional; replace the
start capacitor.
24
Cuda 2518 Operator’s Manual 8.915-630.0 - AM
Page 25
Troubleshooting
PROBLEM POSSIBLE CAUSE SOLUTION
Parts are obstructing each other
Maintenance
Check the position of parts on turntable;
position parts to allow flow of cleaning solution
around and between them.
POOR CLEANING
PERFORMANCE
FOAMING
WHITE POWDER
ON PARTS
Low water level in sump
Clogged or improperly aligned spray
nozzles
Wash solution is not properly heated
Pump is not operating properly See “Pump Does Not Operate Properly” Section.
Machine operating with cold water Bring water up to correct temperature.
Grease, high detergent motor oils,
transmission oil, gear lubes
Not enough detergent
Solution is old
Water hardness and TDS (totally
dissolved solids)
Large parts can dry before solution
runs off, leaving powdery residue
Check sump water level and add water if
necessary.
Check the spray nozzles for obstructions and
alignment; clean and align if necessary.
Check wash solution temperature; temperature
should be between 160° and 180°F.
(See “Wash Solution Is Not Heating” Section)
Do not place oil pan or transmission pan into
machine without pouring oil out of it.
Add more detergent, check pH level. Use
defoamer.
Change sump water and recharge with fresh
detergent and vapor corrosion inhibitor.
Use a water softener and/or change your sump
water more frequently.
Turn heat down to approximately 140°.
WASH SOLUTION
IS NOT HEATING
WASH SOLUTION
IS TOO HOT
Blown fuse Check the electrical panel for a blown fuse.
Thermostat is set incorrectly Check the thermostat setting; set to 180°F.
Line voltage is too low
Excess debris is built up around
heating element
Failed heat timer Test the heater timer; replace if necessary.
Failed thermostat
Failed heating element Test the heating element; replace if necessary.
Thermostat is incorrectly installed
Failed thermostat
Contact a licensed electrician to verify that the
line voltage is between 208 and 240V.
Check for debris build up around the heating
element; clean out if necessary.
(See “Cleaning Out the Sump” Section).
Test the thermostat; replace if necessary
(See “Thermostat” Section).
Check the thermostat to ensure that it is
correctly installed into the mounting bracket
(See “Thermostat” Section).
Replace the thermostat
(See “Thermostat” Section).
Cuda 2518 Operator’s Manual 8.915-630.0 - AM
25
Page 26
Maintenance
PROBLEM POSSIBLE CAUSE SOLUTION
MACHINE FAILS
TO START WHEN
“WASHING PARTS”
PROCEDURE
IS FOLLOWED
TURNTABLE
DOES NOT
OPERATE PROPERLY
Main power disconnect is off
Lid is not closing properly
Failed lid closure safety switch
Failed washer cycle timer
Pump is not operating properly See “Pump Does Not Operate Properly” section.
Parts are obstructing turntable
rotation
Drive chain is not on the drive
pulley
Turntable motor compression
springs are not installed
Blown fuse
Failed wash cycle timer
Low water level in sump Check sump water level; add water if necessary.
Verify that no service is being performed on the
machine, then turn the main power disconnect on.
Check the lid closure safety switch;
adjust if necessary.
Test the lid closure safety switch; replace if
necessary (See “Adjusting the Lid Safety Switch”).
Test the wash cycle timer; replace if necessary
(See “Lid Safety Switch”).
Check for parts obstructing rotation of the
turntable; rearrange if necessary.
Check drive chain; realign on drive pulley
if necessary.
Check the turntable motor compression springs;
install if necessary (See “Turntable Motor
Assembly”).
Check electrical panel for blown fuse;
replace if necessary.
Test the electrical panel to eliminate the
possibility of a blown fuse then contact a licensed
electrician or a service representative to test the
turntable motor.
PUMP DOES NOT
OPERATE PROPERLY
OIL SKIMMER
DOES NOT
OPERATE PROPERLY
Pump intake is plugged
Pump overload relay is tripped Reset the motor overload relay.
Blown fuse
Line voltage is too low
Pump is failed
Blown fuse
Check pump intake for obstructions; clean out if
necessary.
Check electrical panel for a blown fuse;
replace if necessary.
Contact a licensed electrician to verify that the line
voltage is between 208 and 240V.
Test the electrical panel to eliminate the possibility
of a blown fuse then contact a licensed electrician
or a customer service representative to test the
pump motor.
Check electrical panel for a blown fuse;
replace if necessary.
26
Cuda 2518 Operator’s Manual 8.915-630.0 - AM
Page 27
PROBLEM POSSIBLE CAUSE SOLUTION
Turn on the skimmer motor and observe the contact
between the skimmer blades and the skimmer disk. If
OIL SKIMMER
DOES NOT
OPERATEPROPERLY
(CONTINUED)
Skimmer blades are too tight
Cooling fan on skimmer
motor is jammed
Failed skimmer timer
the blades skip, bind, or leave a significant scratch on
the disk, they are too tight. To loosen the blades,
gently bend them away from the skimmer disk.
Turn off power to machine, remove skimmer motor
housing, ensure that cooling fan is free of obstructions.
Test the skimmer timer; replace if necessary (See
“Wash Cycle, Heater, and Skimmer Timers”).
Maintenance
LID LEAKS
INTERIOR OF
MACHINE IS
RUSTING
Failed skimmer motor
Lid closure safety switch is not
adjusted properly
Low detergent concentration or
improper detergent usage
Contact a licensed electrician to test the motor;
replace if necessary.
Check the lid closure safety switch;
adjust if necessary.
Our detergents, when used at proper concentrations
of 10 to 12 scoops (20 to 24 cups) per 50 gallons of
water, contains adequate rust inhibitors to prevent
rust. Verify that you are using our detergents at the
correct concentration.
Cuda 2518 Operator’s Manual 8.915-630.0 - AM
27
Page 28
Notes
28
Cuda 2518 Operator’s Manual 8.915-630.0 - AM
Page 29
Page 30
8.915-630.0 • Printed in U.S.A.
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