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LADENMÜHLEN SHOP GRINDERS
The professional art of grinding
since 1924
Operating Instructions
W401
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LADENMÜHLEN SHOP GRINDERS
Dear Customer,
with the „W401“ you have purchased a grinder in the well-known
MAHLKÖNIG quality.
Our over 80 years of experience in the production and development
of grinders have helped us to develop this product in the MAHLKÖNIG
company.
As usual, this grinder 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. Operating Faults 9
8. Recalibration of the Grind Adjustment 10
9. Cleaning 11
9.1 Cleaning with GRINDZ™ grinder cleaner 11
9.2 Cleaning of the grinder casing 12
9.3 Cleaning of the grinding mechanism 12
10. Maintenance and Repair 13
10.1 Grinding disc replacement 13
11. Spare Parts 14
12. Certifi cate 14
13. Warranty Conditions 15
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 5
3. Description 6
4. Safety Devices 7
5. Setting Up and Basic Adjustment 7
5.1 Setting-up area 7
5.2 Installation 7
6. Operation 8
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LADENMÜHLEN SHOP GRINDERS
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 put the grinder into service 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 authorised 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, check to determine whether the power
supply voltage (volts) corresponds to the grinder voltage on the rating
plate.
Children do not recognise the risks that may arise when handling electrical devices; 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.
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.
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.
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LADENMÜHLEN SHOP GRINDERS
2. Technical data
Description W 401
Voltage / Frequency 230-240V / 50Hz
Motor rotations 1400 rpm
Pre-fuse building 16 A-slow
Overload circuit breaker 10A
Sound emission
Idle operation 65 dB
Grinding 85 dB
Permissible max. operating
time of the grinder 40 minutes
Dimensions in mm W 280, H 570, D 380
Dimensions in inch W 0.92, H 1.87, D 1.25
Net weight 18 kg (39.7 lbs)
Hopper capacity 500 g (1.1 lbs)
(Please ask the manufacturer or dealer for technical data on other voltages and frequencies.)
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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3. Description
The main components and operating elements are shown in the
fi gure.
Pos. 1 Hopper with lid
Pos. 2 Cladding
Pos. 3 Grind adjustment lever
Pos. 4 Spout
Pos. 5 Vibrating sheet
Pos. 6 Residue tray
Pos. 7 On / Off-Switch
Pos. 8 Reset button (back)
Pos. 9 Handle of the bag holder
1
4
9
3
5
6
8
7
2
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LADENMÜHLEN SHOP GRINDERS
5. Setting-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 material residue in the grinding
mechanism!
5.1 Setting-up area
Place the grinder on a level surface free from 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 Item 2 „Technical data“.
Make sure that the pre-fuse is not overloaded
by other consuming devices (e.g. fan-forced
heaters, deep freezers).
4. Safety devices
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 subjected to electric overloading. To be able to re-start
the grinder, the reset button on the back side of the casing must
be pressed (pos.8).
The user has no infl uence whatsoever on this
operation. In case of repeated tripping of the
circuit breaker, a service technician must be
consulted since this could cause damage to the
motor winding.
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 you should clean the
magnet since adhering foreign objects could be hanging from
the magnet.
Never remove the fi nger protection!
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The bag is shaken by this shaking panel. Do not hold the bag
during the grinding process so that it is positioned against
the shaking panel fully opened.
5. After all coffee has been ground hold the base of the bag
loosely in one hand and with the other hand press the handle
of the bag holder and allow it to knock against the spout 2 or
3 times. This removes any ground coffee which may still be
attached to the inside of the spout.
6. Now switch off the grinder and remove the fi lled bag from
the spout.
Determine whether the mains voltage and frequency correspond to the information on the
rating plate.
Insert the plug into the available grounded outlet.
6. Operation
1. Position the grind adjustment lever of the grind degree setting to the grind degree you require (Pos. 3).
2. Only fi ll whole coffee beans into the hopper. Close the hopper.
3. Press down the handle of the bag holder and push the completely opened bag, which has been smoothed along the
folds, over the spout. Let go of the handle and the bag is held
fi rmly in position.
4. Now you can switch on the grinder and the grinding process
starts. The grinder is equipped with a shakingpanel to make
sure that ground coffee cannot clog the spout.
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Defect
The grinder hums
but does not grind.
7. Operating Faults
Cause
The spout is
clogged.
Grinding is set too
fi ne.
A foreign object
is in the grinding
mechanism.
Remedy
Set grinding fi neness to
„coarse“ and start the
grinding process. The grinder will then grind itself free.
Afterwards, return the setting to the desired grinding
fi neness.
Turn the grinding fi neness setting to the right,
to „coarse“, and start the
grinding process. The grinder will then grind itself free.
Afterwards, return the setting to the desired grinding
fi neness.
Clean the grinding mechanism as described (see 9.3)
and remove the foreign
object. Observe the safety
instructions!
Defect
The grinder does
not start.t
Cause
The power supply
plug is not inserted.
The overload circuit breaker has
been tripped.
The pre-fuse was
tripped.
Remedy
Insert the plug into the outlet.
Check to determine whether the reset button of the
circuit breaker has jumped
out (pos.8). 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.
Check the pre-fuse. Restore
the pre-fuse to its initial
state or replace it. Determine whether other consuming devices are also
connected to this fuse.
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Defect
Grinder rotates but
without grinding.
In case of other malfunctions or continued faults, please contact your
dealer or your authorised customer service centre.
Cause
Metal parts on
the hopper magnet obstruct the
incoming fl ow
of material to be
ground.
Remedy
Clean the hopper magnet.
8. Recalibration of the Grind Adjustment
The grinder has been precisely adjusted by the manufacturer.
However, if the ground coffee is no longer fi ne enough after a
longer period, the grinder can be re-adjusted according to the following procedure:
1. Move the grind adjustment lever into position “1”.
2. Unscrew the three hopper attachments and remove the hopper.
3. Now switch on the grinder.
4. Looking into the upper part of the casing you will see a red
hexagon screw at the back on the adjusting ring. Loosen this
screw using an 8 mm fork wrench. Now move the grind adjustment lever to position “5” and tighten the hexagon screw
again.
A: red hexagon screw
B: adjusting ring
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5. Now carefully move the grind adjustment lever in the direction of position „1” until you hear a rattling noise, then immediately turn it back by 1 or 2 notches. The rattling sound
is created by the grinding discs coming into contact with one
another and may only be caused for a very brief moment as
otherwise the teeth can be damaged.
6. Now loosen the red hexagon screw again and move the grind
adjustment lever to position „1“ and tighten the red hexagon
screw again. Make sure that the adjusting ring is set correctly.
It is important to ensure that no „rattling“ noise
of the grinding discs can be heard! Their service
life will otherwise be signifi cantly reduced!
7. Put the hopper back on again and screw in the three hopper
attachments through the upper part of the casing and into
the threads of the hopper.
If the result is not good enough the grinder then needs cleaning
or you have to change the grinding discs.
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!
Do not let any foreign objects fall into the grinding mechanism!!
9.1 Cleaning with GRINDZ™ grinder cleaner
We recommend cleaning your shop grinder once a month with
our GRINDZ™ Grinder Cleaner.
Simply take the recommended dose of 70 - 80g and drop it into
the empty grinder hopper. You can also use the cup of the jar for
dosing. A full cup will yield between 35 - 40 grams.
Adjust the grind setting to medium and operate as if grinding
coffee beans. Once complete, we recommend passing twice as
much coffee through to purge any residues.
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9.2 Cleaning the grinder casing
Clean the casing of your grinder every now and then with commercially available 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!!
9.3 Cleaning the grinding mechanism
Pull out the power supply plug !
1. Move the grind adjustment lever to position “9”.
2. Remove the cladding by tapping it slightly in the direction of
the arrows.
3. Now you can open both quick release locks and remove the
upper part of the casing as well as the hopper.
Grinder casing fro the top:
a) grinding disc
b) grinding space
c) drilled hole with safety switch inside
d) surface of the grinder casing
e) quick release locks
Grinder casing cover with hopper:
f) grinding discs
g) grinder casing cover
h) surface of the grinder casing cover
i) screw for safety-switch
4. You can clean the grinding space with a hard brush now.
Ground coffee can be left in the grinding space. The spout is
cleaned from below.
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.
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5. Put the upper part of the casing back on and close the quick
release locks. Make sure that the screw in the grinder casing
cover engages in the hole in the grinder casing.
There is a safety switch underneath this hole which prevents
the grinder being switched on accidentally when the upper
part has been removed.
6. Now push the cladding back onto the upper part of the casing.
Move the grind adjustment lever to the coarsest
setting on the right.
Plug the plug into the socket and switch the grinder back on
again. The coffee remains in the grinding space are now thrown out, therefore position a bag or a container under the
spout.
7. Now move the grind adjustment lever back into notch “1”
and the grinder is ready for grinding again.
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
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. Open the grinder as described in “9.3 Cleaning the grinding
mechanism”.
2. After removing the old grinding discs, coffee residues must
be cleaned from the seat and surfaces of the grinding discs
before the new grinding discs can be inserted.
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If this is not done, the grinding discs are not parallel to one
another and the ground coffee would be coarse and uneven.
3. Make sure that the surfaces are very clean when you place
the upper part of the casing in its position. Proceed as described in “9.3”.
4. If the machine needs to be readjusted, proceed as de scribed
in „8. Recalibration of the Grind Adjustment“.
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
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: W 401
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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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.
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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
November 2009
Subject to change without prior notice!!
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