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LADENMÜHLEN SHOP GRINDERS
The professional art of grinding
since 1924
Operating Instructions
VTA6S
“The most powerful shop grinder”
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LADENMÜHLEN SHOP GRINDERS
Dear Customer,
with the „VTA6S“ you have purchased a grinder in the well-known
MAHLKÖNIG quality.
Over 80 years of experience in the production and development
of grinders have helped us to develop a new product in the
MAHLKÖNIG company.
As usual, this new product guarantees top-quality by grinding of
all types of coffee.
Before putting the grinder into service, please read these operating instructions including the safety instructions carefully and
observe them at all times. Also instruct your personnel accordingly.
Enclosed you will fi nd many useful tips that will make it easier
for you to use the grinder. Keep these operating instructions in
a safe, easily accessible location. In case of any unclear points or
additionally required information, please contact your local dealer or us directly as the manufacturer.
MAHLKÖNIG GmbH & Co. KG
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7. Operational Problems 10
8. Recalibration of Grind Adjustment 11
9. Cleaning 11
9.1 Cleaning the Grinder Casing 11
9.2 Cleaning the Grinding Mechanism 11
10. Maintenance and Repair 13
10.1 Grinding Disc Replacement 13
11 Spare Parts 13
12 Certifi cate 14
13. Warranty Conditions 14
Table of contents
1. Safety 4
1.1 Symbols 4
1.2 Safety Instructions 4
1.3 Purpose of Use 5
1.4 User Requirements 5
2. Technical Data 6
3. Description 7
4. Safety Devices of the Grinder 8
5. Set-up and Basic Adjustment 8
5.1 Setting-up Area 8
5.2 Installation 8
6. Operation 9
6.1 Operating Instructions 9
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1. Safety
Please read and observe the following operating instructions carefully. Non-observance can result in
damage to the grinder as well as in health-threatening risks for the user.
1.1 Symbols
The following two symbols are used in this manual of operating instructions:
Safety instruction:
In case of non-observance, extreme risk of accidents
exists.
General instruction:
In case of non-observance, the grinder can become
damaged or optimum operation not be guaranteed.
1.2 Safety Instructions
Never use the grinding mechanism to grind other products or objects
than coffee beans. Ground material is never allowed to be fi lled into the
hopper.
Do not carry out any modifi cations or changes on the grinder. In case of
non-observance, the manufacturer shall be liable for resulting damage
in no case whatsoever.
Never operate the grinder in moist or, even worse, in wet surroundings.
Never put your fi ngers or objects into the rotating grinding mechanism
underneath the hopper.
Always pull the power supply plug out of the outlet before carrying out
any maintenance or cleaning work on the grinder. Never start the grinder with a defective power supply cable.
Check the grinder regularly for any signs of damage on the power supply
cable, plug, fi nger protector, etc. Any repairs that may be required are
only allowed to be carried out by experts. Please contact an authorized
customer service centre, your local dealer or us directly as the manufacturer.
Do not exceed the permissible maximum operating period of 40 minutes. Afterwards, allow the motor to cool down for approx. 30– 40 minutes.
When unpacking the grinder, please check to determine whether the
power supply voltage (volts) corresponds to the grinder voltage on the
rating plate.
Children do not recognize the risks that may arise when handling electrical grinders; therefore never leave children alone with electrical devices
without proper supervision.
Never immerse the grinder in water and do not operate it with wet hands.
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1.3 Purpose of Use
The grinder you have purchased is only allowed to be used to grind
whole coffee beans. Never fi ll already ground coffee into the hopper.
1.4 User Requirements
No special requirements are specifi ed for the users of this grinder. It is,
however, assumed that this manual of operating instructions has been
carefully read and understood and that all instructions provided in this
manual will be observed. In addition, working with the grinder on a
safety-conscious basis is also expected.
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(Please ask the manufacturer or dealer for technical data on other voltages and frequencies.)
Type
Voltage / Frequency / Phases
Motor Capacity Rating
Motor Rotations
Overload Protection
Pre-Fuse (building)
Max. Continuous Grinding Time
Dimensions (W x H x D)
Hopper capacity
Weight
Sound Level when grinding
VTA6S
VTA6ST
VTA6SE
VTA6SH
200V / 50Hz / 3~
200V / 60Hz / 3~
208V / 60Hz / 3~
400V / 50Hz / 3~
415V / 50Hz / 3~
2100 W
1430 rpm @ 50Hz
1725 rpm @ 60Hz
9 A (200V / 50Hz / 3~)
10 A (200V / 60Hz / 3~)
9,3 A (208V / 60Hz / 3~)
5 A (400V / 50Hz / 3~)
4,2 A (415V / 50Hz / 3~)
3x 16A-slow
40 minutes
37x63x38 cm (14.6 x 24.8 x 14.9 inch)
1000g ( 2.2 lbs)
42 kg (92,6 lbs)
73dB (A)
VTA6S FC
VTA6ST FC
VTA6SE FC
VTA6SH FC
208V / 60Hz / 1~
230V / 50Hz / 1~
1500 W
1430 rpm @ 50Hz
1725 rpm @ 60Hz
12 A
16A-slow
40 minutes
37 x 63 x 38 cm (14.6 x 24.8 x 14. 9 inch)
1000g ( 2.2 lbs)
45 kg (99,2 lbs)
73dB (A)
VTA6SW
208V / 60Hz / 1~
230V / 50Hz / 1~
1720 W
1430 rpm @ 50Hz
1725 rpm @ 60Hz
12 A
16A-slow
40 minutes
37x63x 8 cm (14.6 x 24.8 x 14.9 inch)
1000g ( 2.2 lbs)
42 kg (92,6 lbs)
73dB (A)
2. Technical Data
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3. Description
The main components and operating elements are shown in the fi gure.
Pos. 1 Upper part of casing with hopper
Pos. 2 Hinged lid
Pos. 3 Stop lever for grind adjustment
Pos. 4 Allen screw
Pos. 5 Star handle / Round handle
Pos. 6 Clamp
Pos. 7 On / Off lever
Pos. 8 Bag holder hood
Pos. 9 Spout
Pos. 10 Shaking plate
Pos. 11 Residue tray
Pos. 12 Reset button (at the side or under the grinder)
1
3
10
8
9
11
12
2
6
7
4
5
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Never remove the fi nger protection!
5. Set-up and Basic Adjustment
A grinding test run is carried out on each grinder in the factory. This is
why you may fi nd ground coffee residue in the grinding mechanism!
5.1 Setting-up Area
Place the grinder on a level surface free of vibration.
Never operate the grinder in moist, or even worse, in
wet surroundings.
5.2 Installation
You have received your grinder in operating condition. Now you only
need to connect it to a power supply system. Proceed as follows:
Protect your grinder with a separate pre-fuse (not
included in the scope of supplies) according to the information provided under 2. Technical data.
Make sure that the pre-fuse is not overloaded by other consuming devices (e.g. fan forced heaters, deep
freezers).
Determine whether the mains (voltage-supply and
frequency) correspond to the information on the rating plate.
Insert the plug into the available grounded outlet.
4. Safety Devices of the Grinder
Thermal overload circuit breaker
The motor of the grinder is protected by an overload circuit breaker,
which interrupts the electric circuit of the motor when the grinder is
subject to electric overloading. To re-start the grinder, press the reset
button.
• VTA6SW reset button in the back of the grinder body
• VTA6S reset button underneath the grinder‘s baseplate
The user has no infl uence whatsoever on this operation. In case of repeated tripping of the circuit breaker, contact a service partner since this could cause
damage to the motor winding.
Motor protector (winding protection)
The grinder is protected against thermal overloading by a motor protector (thermostat, inserted in the winding). Whenever the winding of the
motor heats up to an impermissible level, the motor protector interrupts
the electric circuit of the motor. Following a cool-off phase (approx. 1 hr.),
the motor protector is switched on again automatically and the grinder
can be started.
Finger protector / Magnet holder
A combined fi nger protector / magnet holder is fi tted in the hopper of
the grinder. It is supposed to prevent the user from reaching into the
running grinding mechanism. At the same time, it also prevents ferrous
foreign objects from getting into the grinding mechanism. Every now
and then clean the magnet since adhering foreign objects could block
the coffee supply.
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After the grinder has been connected, check the direction of rotation of the grinding disc (arrow on the
hopper). If the grinder is rotating in the wrong direction ask an electrician to reverse the polarity of the
socket in compliance with DIN standards.*
6. Operation
6.1 Operating Instructions
1. Position the stop lever of the grind degree setting to the grind degree you require (Pos. 3).
2. Now fi ll the coffee beans into the hopper. Close the hopper.
3. Push the completely opened bag over the spout all the way to the
black stop. Now pull the lever with the black handle (on the right
hand side of the grinder) to “On”. (Pos. 7) The following processes are
controlled by lifting the lever:
• The bag is fi xed in position on the spout.
• The grinder is switched on.
Do not hold the bag as otherwise the shaking of the
bag does not work!
4. After the grinding process has been completed, hold the bag gently
at its base and push the lever to the “Off” position.
This action controls the following processes:
• The bag is released from its fi xed position.
• The machine is switched off.
The inside of the spout is cleaned of ground coffee residues. The le-
ver does not need to be moved up and down to clean the spout.
Moving the lever up and down can damage the electrical components of the grinder.
* only in the case of three phase current (VTA6S)
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Fault
The grinder does
not start.
7. Operational Problems
Cause
The power supply
plug is not inserted.
The overload
circuit breaker has
been tripped.
The motor protector has been
triggered.
The pre-fuse was
tripped.
Corrective measure
Insert the plug into the
outlet.
Check to determine whether the reset button of the
circuit breaker has jumped
out. Press the reset button
in again if appropriate. In
case of repeated tripping of
the circuit breaker, contact
your authorised customer
service centre or dealer.
Give the grinder a break of
approx. 1 hour.
Check the pre-fuse. Restore
the prefuse to its initial state or replace it. Determine
whether other consuming
grinders are also connected
to this fuse.
Fault
The grinder hums
but does not grind.
Grinder rotates but
without grinding.
Cause
The spout is
clogged.
A foreign object
is in the grinding
mechanism.
Incorrect direction
of rotation.
(correct: counterclockwise
Metal parts on the
hopper magnet
obstruct the
incoming fl ow
of material to be
ground.
Corrective measure
Adjust the rotary knob to
„coarse“ and then switch
on the grinder. The grinder
will then grind itself free.
Afterwards, set the rotary
knob back to the desired
grind degree.
Clean the grinding mechanism as described under
9.2 and remove the foreign
object. Observe the safety
instructions!
Have the polarity checked
by an authorized electrician.
Clean the hopper magnet.
In case of other malfunctions or continued faults, please contact your
dealer or your authorised customer service centre.
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8. Recalibration of Grind Adjustment
The grinder has been adjusted accurately by the manufacturer.
However, if after a longer period of use the ground coffee is not fi ne
enough any more, you can readjust the grinder as follows:
1. Switch on the grinder and move the grind adjustment lever (Pos. 3)
to notch “1”.
2. Loosen the allen screw using the enclosed hexagon spanner and
move the lever to notch “5”. Now tighten the screw again.
3. Now carefully and slowly move the lever to the left until you hear a
slight rattling noise (the grinding discs are touching) and then turn
it back again by approx. one notch. The closer the grinding discs are
to touching, the fi ner the beans are ground. However, you must not
be able to hear the grinding discs rattling together.
4. Now loosen the allen screw and move the lever to notch „1“.
5. Now tighten the allen screw.
It is important to ensure that no „rattling“ noise of
the grinding disks can be heard! Their service life will
otherwise be signifi cantly reduced!
6. Now switch off the grinder. For test purposes hold a bag underneath
the spout and grind a handful of coffee beans.
If the result is not satisfactory the grinder needs to be cleaned or the
grinding discs must be renewed.
9. Cleaning
Always pull the power supply plug out of the
outlet before carrying out any maintenance or
cleaning work on the grinder!
Observe the safety instructions under 1.2!
9.1 Cleaning the Grinder Casing
Clean the casing of your grinder every now and then with food grade
mild cleaning agents. In addition, you should also clean the magnet in
the hopper from time to time by removing any foreign objects that may
have become stuck because otherwise this could result in clogging.
Do not let any foreign objects fall into the grinding
mechanism!
9.2 Cleaning the Grinding Mechanism
1. Pull the mains plug out of the socket.
2. Loosen both star handles / round handles until the clamps release
the top of the casing.
3. Move the grind adjustment (Pos. 3) to notch “7” (middle position)
and pull the upper part upwards at an angle towards you (in doing
so, the stop lever slides through the slot).
4. Remove the three screws of the cover and lift the grinding casing
cover off.
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5. Clean the entire grinder using a fi ne brush and remove any foreign
objects.
No coffee residues may adhere to the surfaces where
the grinder casing and the grinder casing cover lie on
top of one another when you put the grinder back together again.
6. Put the grinder casing cover and the grinder casing back together
again and fi x with 3 screws (in the case of the old model attach the
nuts and clamps on the side again).
7. Place the top part in position and make sure that the stop lever is
pushed through the slot. By turning the top part to the right or to
the left, engage the cut-out in the top part into the associated spacer block on the lower part.
8. Fit the clamps correctly and tighten the star handles / round handles.
Labelling: UNTEN (German) = bottom
9. Move the grind adjustment lever into position “1” and connect to
the electricity supply again.
Casing cover
(new model)
Cover screws
Grinding disc
* simply remove screw on both sides (same function as the screws of the cover)
Casing cover
(old model)
Nut with clamp*
Grinding disc
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10. Maintenance and Repair
Always pull the power supply plug out of the outlet before carrying out any maintenance or cleaning
work on the grinder!
Check the grinder regularly for any signs of damage
on the power supply cable, plug, fi nger protector, etc.
Any repairs that may be required are only allowed to
be carried out by authorised experts. Please contact
an authorised customer service centre or your local
dealer.
10.1 Grinding Disc Replacement
If the grinding performance decreases and the ground coffee is hot and
irregular, you should change the grinding discs.
1. Take the grinder apart as described under “9” and remove the grinding discs from the threaded adjuster and the rotating burr carrier
using a screwdriver.
2. Clean the surfaces of the new grinding discs thoroughly and screw
them in position tight and evenly.
3. Close the grinder casing as described under “9” again and set the
grind degree again as described under “8”.
11. Spare Parts
Spare parts are usually ordered from your customer service centre or
your local dealer. To ensure quick, correct processing of your order, the
following information is absolutely required:
1. Type designation and serial number of the grinder (on the rating
plate on the rear side of the grinder).
2. Color of the grinder
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12. Certifi cate 13. Warranty Conditions
1. The warranty period is 1 year from the date of purchase.
2. The warranty covers all damages that can be attributed to inferior
materials or defective workmanship. Corresponding grinders will be
repaired or replaced free-of-charge, with the exception of transport
or freight charges. Transport is the responsibility of the customer.
Therefore, avoid damages with all returns by correct packing.
3. The grinder may only be opened for cleaning purposes in accordance with the Operating Instructions.
4. This warranty does not cover damages which have occurred
through: Improper usage, improper maintenance, lack of servicing,
usage for purposes other than those intended, incorrect installation, incorrect voltage, breakage, natural wear or for reasons beyond
our sphere of infl uence.
5. In order to maintain the warranty, only original spare parts and accessory parts may be used.
6. Observe in addition our General Delivery Conditions in their respective current version.
7. The manufacturer is in no way liable for consecutive or secondary
damages.
8. The warranty does not cover costs emerging from repairs conducted by non-authorized personnel.
EC Declaration Conformity
As defi ned by EMC-directive 89/392/EWG
Name of the manufacturer or in the EU residential authorized person:
MAHLKÖNIG GmbH & Co. KG
Address of the manufacturer or the authorized person:
Tilsiter Strasse 142, D-22047 Hamburg
announce, that the machine below
product type: commercial device for food processing
machine description: Coffee grinder
machine typ: VTA 6S, VTA 6S FC, VTA 6ST, VTA 6ST FC, VTA 6SW, VTA 6SE,
VTA 6SE FC, VTA 6SH FC, VTA 6S HMVC
is in compliance with the conditions of the Directive of Machines 98/37/EG and with
the main standards stipulated in the Directive concerning low tension 73/23/EWG and
applies to the national laws that transpose it.
Issued in Hamburg: 01.01.2008
Function of subscriber: Managing Director
Name of subscriber: Nils Erichsen
Signature
MAHLKÖNIG GmbH & Co. KG, Amtsgericht Hamburg HR A 85 074; Persönlich haftende Gesellschafterin:
Beteiligungsgesellschaft MAHLKÖNIG mbH, Eingetragen Amtsgericht Hamburg HR B 45 324, Geschäftsführer: Nils Erichsen
Dresdner Bank AG (BLZ 200 800 00) Kto. 383 780 400, Postbank Hamburg (BLZ 200 100 20) Kto. 253 89-203
Commerzbank AG (BLZ 200 400 00) Kto. 21 10 294, Ust. Id. Nr.: DE 118 37 22 65
MAHLKÖNIG GmbH&Co.KG
Tilsiter Straße 142, 22047 Hamburg
Telefon : 040 - 69 69 40 - 0
Telefax : 040 - 69 39 721
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LADENMÜHLEN SHOP GRINDERS
The professional art of grinding
since 1924
MAHLKÖNIG GmbH & Co. KG
Tilsiter Straße 142
D- 22047 Hamburg, Germany
Tel.: +49 (0)40 / 69 69 40-0
Fax: +49 (0)40 / 69 39 721
offi ce@mahlkoenig.de ; www.mahlkoenig.de
July 2009
Subject to change without prior notice!!
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