Berkel 936 Series User manual



User Manual for models
936/937 Series
USER MANUAL FOR
936/937 Series
Van Berkel International S.r.l.
via Ugo Foscolo, 22
21040 Oggiona S. Stefano (VA) - ITALY
T [phone]
[e-mail]
www.theberkelworld.com

 page 2 

Contents
1. General Information 4
1.1. Notes regarding the operating instructions 4
1.2. Notes regarding warranty 4
1.3. Notes regarding security 5
1.4. Dimensions of the machine and technical data 5
1.5. Description of the machine 6
1.5.1. General plan of the machine 7
1.6. Usage 7
2. Installation and initial operation 8
2.1. Checking the contents of the carton 8
2.2. Installation 8
2.3. Electrical installation 9
2.4. Checking the direction of blade rotation 9
3. Operation 9
3.1. Important notes before switching on the machine 9
3.2. Switch functions (push button) 9
3.3. Thickness of slices 10
3.4. Operation of the end piece holder 10
3.5. Automatic or manual movement of the carriage 10
3.6. Automatic operation 11
3.6.1. Engaging carriage 11
3.6.2. Loading the carriage and adjusting the thickness of slices 11
3.6.3. Adjusting the speed of the carriage 11
3.6.4. Notes regarding the slicing programme 12
3.7. Manual operation 12
3.7.1. Disengaging carriage 12
3.7.2. Loading the carriage and adjusting the thickness of slices 12
3.7.3. Notes regarding the slicing programme 12
4. Slicing functions 13
4.1. Description of the keyboard 13
4.2. Starting the slicing programme 13
4.3. Changing the slicing programme 14
4.3.1. Stacking 15
4.3.2. Shingling lengthwise 16
4.3.3. Shingling crosswise 17
4.3.4. Circle shingling 18
5. Programmed Operation (PLU) 20
5.1. Choosing PLU-Number 20
5.2. Data conditioning 21
5.2.1. Create article and modify data 22
5.2.2. Copy article 23
5.2.3. Delete article 23
5.2.4. Modify article 24
6. Slicing of end pieces 24

 page 3 

7. Cleaning 25
7.1. Taking off parts of carriage 25
7.2. Taking off the blade guard 27
7.3. Taking off staking device and chain frame 27
7.4. Taking off deflector and receiving plate 27
7.5. Cleaning the blade 28
7.5.1. Cleaning the front of the knife 28
7.5.2. Removing and cleaning the knife 28
7.5.3. Cleaning the inside of the knife ring guard 29
7.5.4. Refit the knife 28
7.6. Cleaning the single parts 29
7.7. Reassembling the parts 30
8. Sharpening the blade 30
8.1. Sharpening device 30
8.2. Using the sharpening device 30
8.3. Sharpening the blade 31
8.4. Repositioning the sharpener 31
8.5.
Mounting the removable sharpening device 31
8.6.
Sharpening the blade 32
8.7.
Remove the removable sharpening device 32
9. Maintenance 333
9.1. Lubrification of sliding bars - End piece holder and receiving tray 33
9.2. Lubrification of stacking device,blade protection and adjusting bar of the carriage 33
9.3. Lubrification of adjusting bar (fence) of the carriage and the roller deflector bearing 34
10. Trouble shooting 35
10.1. Error messages on the display 35
11. Waste disposal 36
Additional operation instructions for conveyor belt
12. Dimensions and description of the machine 37
12.1. Dimensions of the machine and technical data 37
12.2. Description of the machine 38
12.3. General plan of the machine 38
12.4. Usage 39
12.5. Installation and initial operation 39
12.6. Installation 39
12.7. Electrical installation 39
13. Operation 40
14. Cleaning 40

 page 4 

1. General Information
1.1. Notes regarding the operating instructions
Read the following hints before installing and operating this machine!
Make yourself familiar with this machine by reading this operating instructions carefully.
Within this operating instructions there are indicated the following safety notes and hints:
means Attention. Notes for probable danger and for avoiding mistakes.
means notes and hints regarding certain operation procedures.
1.2 Notes regarding warranty
The installation and initial operation should be carried out by an authorised supplier or service technician.
Only trained personnel are allowed to operate this machine. When required, the training has to be repeated.
Supervisory and operating staff must read the operating instructions carefully before initial operation of this
machine. Starting, operating and cleaning have to be done according the operating instructions and are only
allowed after having been introduced to the correct way of working.
In case of:
• unauthorised installation
• unauthorised electrical installation
• incorrect operation
• misuse
• constructional alteration
• detaching security or protecting equipment
• and in case of using non-original Berkel spare parts
Berkel does NOT take any responsibility
In above case the operator acts on his own risk and is wholly responsible for damage which might occur.
Therefore, only use original Berkel spare parts!
In case high pressure or steam cleaning devices or high pressure water is used all claims
regarding warranty will be refused.
This is valid also for faults and damages which are caused by natural wear and tear.
The pictorial representation might differ from the machine supplied because of regional specific requirements or
as a result of technical improvement.
The contents of this operating instructions is not affected by that.

 page 5 

1.3. Notes regarding security
This machine corresponds to legal security and hygienic requirements. Nevertheless there is a risk of injury in the
case of incorrect or inattentive operation or maintenance. Especially hands and fingers are at risk of injury. Staff
operating this machine must be fully trained on the correct procedures for operation and maintenance in
accordance with these operating instructions.
Pay attention in any case to the following notes regarding security:
See to it that unauthorised, untrained personnel and in particular children cannot start the
machine. It is not allowed to detach, to modify or to disregard protecting or security equipment.
This could result in a high risk of injury.
Always work with concentration, do not let distract yourself from your work.
Only cut food products as indicated in this operating instructions.
Never carry out experiments. Never try to cut foreign material.
Never cut deep frozen products.
Never check the sharpness of the blade with your fingers.
Never detach the blade without supplied knife remover.
Never use the machine as a place to put something on or to do other work on.
Take care that the floor space is clean, dry and non-slip.
In case the current supply cable or the plug are defective, these parts have to be exchanged or repaired by your
after sales service or an electrician.
Before cleaning remove the plug from the electrical socket before proceeding .
If the machine makes an unusual noise switch off the machine immediately.
In case the fault cannot be corrected by the operator, contact authorised after sales service.
1.4. Dimensions of the machine and technical data (only for 936 version)
Overall dimensions ( 840x980x700h mm standard table) and ( 840x1140x700h mm long meat table)
Foot distance 574x502 mm
Max. cutting size ca. 255x195h mm
Thickness of slices 0 - 10 mm (infinitely variable)
Diameter of blade 330 mm
Sound level < 54 db(A)
Weight about 87 kg
Voltage and cycles see rating plate
Power 0,9 kW

 page 6 

1.5. Description of the machine
This food slicer is fully automatic with integrated shingling and stacking device.
The carriage is moved automatically. For operation, cleaning and sharpening the automatic drive of the carriage
can be disengaged.
The blade is driven electrically with a 1-phase or 3-phase geared motor. This geared motor is maintenance-free
and air-cooled.
By means of a special air circulation the warming up of the motor is very low, especially around the blade.
The automatic carriage is moved by a strong d.c. motor.
The food product is pushed against the blade by a fully automatic end piece holder.
The material used in the food zone corresponds to all requirements of food hygiene.
The complete machine body, the thickness plate, the blade guard and the carriage are made of stainless steel.
The blade is hard chromed.
All visible bearings as well as open sliding surfaces are lubricated only with lubricant suitable for food zones.
For switching the machine on and off double white / red push button is used
Self-starting of the machine after a voltage drop is avoided by the electric control.
There are internal fuses to protect the electronic control, the motors are controlled electronically.
The carriage can only be tilted aside when the automatic drive is disengaged and the thickness plate is closed
completely.
When the carriage is tilted aside, the thickness plate is locked in this position and cannot be opened
The protecting and security equipment as well as electrical and mechanical components correspond to
regulations in force.
The machine is equipped with the following security equipment:
•no self-starting of the machine after a voltage drop
•fully automatic stop of the blade
•double push-button control
•fixed ring around the blade, non-removable
•central blade protection, fixed, removable
•locked thickness plate when the carriage is tilted aside
•internal fuses for current supply and electronic control

 page 7 

1.5.1. General plan of the machine
1 End piece holder
2 Comb, end piece holder
3 Adjusting bar
4 Rubber foot
5 Star knob for carriage
6 Lever
7 Carriage feed plate
8 Carriage
9 Thickness plate
1.6. Usage
The following food products can be sliced by taking into account the maximum cutting capacity:
• - all kinds of sausages
• - ham / bacon
• - roast meat / cooked ham
• - meat
• - cheese
The following products are not allowed to be sliced because of danger to get injured:
- NON FOOD articles
- food products with bones
- deep frozen food products
The machine should be installed in a retail environment. The room temperature must not be under 10°C a nd not
over 40°C.
The machine is drip-proof only.
High air humidity and condensation water may damage the machine. The machine is not splash-proof.
19 Hand protection
20 Thickness knob
21 Guiding axle, end piece holder
22 Plate of end piece holder
10 Guiding axle carriage
11 Blade guard
12 Fixed ring
13 Star knob stacking device
14 Stacking device
15 Rating plate
16 Receiving plate
17 Chain frame
18 Display and keyboard

 page 8 

2. Installation and initial operation
First read the operating instructions very carefully!
Pay close attention to all notes.
Operating procedures have to be carried out as described.
Always work carefully and concentrate, this should prevent damage and injuries
The installation, introduction and initial operation has to be done by an authorised supplier or
service technician.
2.1. Checking the contents of the carton
The supplied carton has to have to following contents:
•Berkel food slicer model 936-937
as well as the following equipment:
•chain frame
•stacking device
•receiving plate or conveyor belt
•Knife remover and screwdriver
•table for food slicer (only for machines with conveyor belt)
•these operating instructions
2.2. Installation
The food slicer model 936-937 has to be installed on a plain, horizontal, non-slip and stable
surface. If necessary the machine should be clamped down in position
Recommended working height of the work surface about 800 mm.
Pay attention to the required counter space.
Place the chain frame upon the 3 locating positions .
Place the stacking device upon its location bush and screw it tight.
Place the receiving plate upon the machine.

 page 9 

2.3. Electrical installation
Before you plug in the machine, you have to check if the current supply is the same as indicated on the
rating plate. In case there are discrepancies you have to inform the supplier or technical service.
Under no circumstances plug in the machine!
The socket-outlet has to be equipped with earthing contact. It has to be connected according to customary
regulations. A defective socket-outlet may damage the machine or endanger the operator.
In case it is necessary to exchange the plug, this has to be done by an electrician or the after sales service.
2.4. Checking the direction of blade rotation (for 3 phase motors only)
Switch on the machine.
Close completely the tickness plate
Push the ON white button →Display is illuminated.
Push the key "cleaning" on the display
The blade has to rotate in direction of arrow (counter clockwise).
The blade is stopped by pushing again the "cleaning" key
In case the blade rotates in wrong direction, the positions of the poles in the plug have to be
changed by an electrician or authorised service technician.
3. Operation
3.1. Important notes before switching on the machine
Because of security reasons pay attention to the following notes:
- first read this operating instructions carefully
- take care that the machine is placed on a stable and secure surface
- work with concentration
- never touch the blade
3.2. Switch functions (push button)
red push button = main switch off
white push button = main switch on

 page 10 

3.3. Thickness of slices
The thickness of slices is infinitely variable from 0 to 10 mm. In
order to adjust the thickness of the slices you have to turn the
thickness knob. Turning to the left thickness plate opens. Turning to
the right: thickness plate closes. The scale on the thickness knob
serves as adjusting aid.
In case the machine does not
start and the tickness value on
the display flashes after having
pushed the"Start/Stop" key The
thickness knob should be roated to a value =>0,4. Then
start again.
3.4. Operation of the end piece holder
Grip the end piece holder lever and pull it towards the front of the
machine to disengage the drive. Then holding lever in this position,
pull the lever in direction of the knife, or away from it to move the
end piece holder. In order to engage the drive release the lever and
move the end piece holder slightly backwards and forwards
If the end piece holder is placed on top of the food product and the slicing process moves towards the
knife, the machine will automatically stop approximately 40mm from the knife. This is prevent the end
piece holder from hitting the sharpener cover. At this time, move the end piece holder to behind the food
product and restart the machine, the machine will now slice right up to the knife, (with minimum waste)
3.5. Automatic or manual movement of the carriage
The machine is equipped with an automatic carriage movement which can be disengaged. The carriage can then
be moved by hand.
automatic movement = lever in vertical position
movement by hand = lever in horizontal position
Adjusting automatic movement
Switch off the machine.
Turn lever counter clockwise to the vertical position.
Move the carriage forward and backward by hand until it is engaged.
Carriage can no longer be moved by hand now.
Adjusting movement by hand
Switch off the machine.
Turn the lever to the horizontal position.
Carriage can now be moved by hand.
Always switch off the machine for adjusting the carriage movement!
NEVER ENGAGE OR DISANGAGE THE CARRIAGE WHEN THE MACHINE IS RUNNING