DITTING KR 804 Manuale utente

Page 1

Operating instructions

KR / KF 804

KR 804 KF 804

TYPE

Voltage

Manuf. no.

Page 1

4 Faults / action 8

4.1 Action in event of a fault 8

4.1.1 Table with possible malfunctions 9

4.2 Repairs 9

4.2.1 Unblocking the discharge tube 9

4.2.2 Unblocking the grinding unit 9

4.2.3 Replacing the rubber bolt (KF only) 10

4.2.4 Circuit breaker 10

5 Customer service 11

6 CE Declaration of conformity 11

Table of content

1 General 2

1.1 Warranty information 2

1.2 Transfer declaration 2

1.3 General safety instructions 3

1.3.1 Information and safety symbols 3

2 Installation of coee grinder 4

2.1 Description and installation of unit 4

2.2 How to use the coee grinder 5

3 Care / maintenance / adjustment 6

3.1 Care and cleaning of the coee grinder 6

3.2 Maintenance 6

3.3 Setting the scale (adjustment) 6

3.3.1 Basic setting (calibration) 7

3.3.2 Changing the scale setting (adjustment for customer

settings) 7

3.4 Replacing the grinding discs 8

Page 2

1 General

Dear Customer,

We congratulate and thank you for purchasing a DITTING quality product.

These operating instructions have been prepared to simplify your use of the

coee grinder.They contain information, advice and instructions for the best

use of your unit.

1.1 Warranty information

ALTHOUGH YOUR COFFEE GRINDER IS DISTINGUISHED BY A HIGH QUAL-

ITY AND SAFETY STANDARD, DAMAGE TO MATERIAL OR RISK OF INJURY

CANNOT BE EXCLUDED IF OPERATED INCORRECTLY, USED IMPROPERLY OR

MISUSED.

THE OPERATING INSTRUCTIONS WILL THEREFORE FAMILIARISE YOU WITH

CORRECT USE OF THE COFFEE GRINDER AND ASSISTYOU TO AVOIDWRONG

OPERATIONS. IF THE ENCLOSED INSTRUCTIONS ARE FOLLOWED EXACTLY,

YOU WILL AVOID DANGERS, REDUCE REPAIR AND STOPPAGE TIMES AND

INCREASE THE RELIABILITY AND SERVICE LIFE OF YOUR UNIT. TO ENSURE

THAT YOU AND YOUR EMPLOYEES TAKE NOTICE OF THE CONTENTS OF THE

OPERATING INSTRUCTIONS AND FOR YOUR OWN SAFETY, WE WOULD ASK

YOU TO COMPLETE THE TRANSFER DECLARATION PRINTED ON THE FOL-

LOWING PAGE, DETACH THIS ALONG THE PERFORATION AND RETURN IT TO

YOUR DEALER.

1.2 Transfer declaration

To ensure transfer of the operating instructions to nal consumers.

Note: The following declaration should be completed by the dealer and the

purchaser. The purchaser undertakes to return this declaration to the dealer.

The purchaser thereby certies that the dealer has drawn his attention to the

contentsofoperatinginstructionsno.64400,inparticulartotherelevantsafety

instructions for use of the machine.

Page 3

1.3 General safety instructions

Theoperatinginstructionsmustbekeptpermanentlyattheplaceofoperation

of the machine and if possible attached at the point of installation in the im-

mediate vicinity of the machine.

The competent sales and service personnel must have read the operating in-

structionsbeforeputtingthecoeegrinderintooperationandbefamiliarwith

all functions including action in the event of a fault.

Ifcustomersthemselvesoperatethemachine,anoticemustbe placedclearly

visibleintheimmediatevicinity ofthemachinethatcustomersmustimmedi-

ately call the service personnel responsible in the event of a fault and not try

to eliminate the fault themselves by tampering with the machine.

The machine must be placed in the sales areas so that the sales personnel

responsible can be reached by the customer without diculty.

Onlyoriginalspare-partsmustbeusedforrepairstothegrinder.Ifspare-parts

from other manufacturers are used, the serviceability of the grinder may be

impaired.In addition,furtherinjurytopersons ormaterial damagecannot be

excluded.

The grinder should be installed out of reach of children. Children and users

mustonnoaccountreachintotheopeningsorcomeintocontactwithelectri-

cal components.

Only original grinding discs sharpened by DITTING must be used.

Never reach into the hopper opening while the machine is running.

Nevertouchelectricalcomponentswithconductingobjects,suchasneedles,

pins, cutlery, etc. !

The emission value referred to the workplace is 76 dB(A).

The machine must be electrically protected by fuses according to the name-

plate and the local regulations.

1.3.1 Information and safety symbols

Two information symbols are used in these operating instructions to empha-

sise important comments in the dokument.

Information

Thissymbolindicatesinformationcontainingimportantdata

concerning ecient use. Non-observance can lead to faults.

Safety

This symbol indicates information which if not observed can

leadtodangertopersonsand/orsubstantialmaterialdamage.

The safety instructions must be followed without fail.

Page 4

2 Installation of coee grinder

2.1 Description and installation of unit

The KF/R 804 coee grinders are suitable for grinding various kinds of coee.

The grinding neness can be set from «Turkish ne» to «coarse» with an

adjusting knob provided with a scale. The KF/R 804 coee grinders are

suitable for use in small food stores, cafés, restaurants and hotels.The simple

method of operation enables customers to use the grinder themselves in

self-service stores. Operation of the machine can dier slightly from the

descriptionintheseoperatinginstructionsdependingontheversionKForKR.

The grinder must only be installed in dry areas!

Place the coee grinder on a rm, level and non-slip base.

Danger of tipping and slipping on unstable surfaces. Before

connectingthecoeegrindertothe mainssupply,ensurethat

this supply corresponds with the data on the unit nameplate.

Hopper

Bag holding

lever

Bag vibrating

plate (KR only)

Discharge

tube

ON/OFF

switch

Name plate

(backside)

Adjustingknob

Filling cover

Page 5

• Switch on motor with the ON/OFF

switch (6).

• After the end of grinding switch o

the motor (6).

2.2 How to use the coee grinder

• Set the required grinding neness on

the scale with adjusting knob (1).

• Open the lling cover (2) and place

coee beans in hopper (3).

• Clamp empty paper bag over dis-

chargetube(5)withbagholdinglever

(4) and release bag.

Please ensure that the bag is opened fully before clamping

with bag holding lever (4) for grinding.

Reason: If the bag is not fully open, the ground coee cannot

runoutproperly,whichcanresultinabuild-upandmalfunction

of the unit.

Page 6

3.2 Maintenance

Ifthe grindingqualityisnolongerof therequiredstandard,thegrindingdiscs

must be replaced.

The grinding discs should be inspected for wear after not longer than 12

months.

Periodic checking of the grinding quality and grinding discs

mustonlybeperformedbycompetentspecialistsand/orserv-

ice personnel

3.3 Setting the scale (adjustment)

Settingofthescale(withtheadjustingknob)makesthenenessoftheground

coee correspond with the neness set on the scale (marked).

Setting of the scale must only be performed by persons familiar with the unit

after carefully reading the following instructions.

The basic setting according to 3.3.1 should be made:

• following change of grinding discs

• following inadvertent displacement of the scale setting

Change of scale setting as 3.3.2 should be performed:

• If the desired grinding neness does not correspond with the scale (ad-

justing knob)

• If an individual setting of the grinding neness is desired (customer set-

ting)

• Hold the bag tightly in the hand and

tap the discharge tube clean by pull-

ing and releasing the bag holding le-

ver (4), then remove the bag.

Only grind whole coee beans!

Coee already ground must not be ground again!

3 Care / maintenance / adjustment

3.1 Care and cleaning of the coee grinder

The coee grinder must only be cleaned with a dry cloth.

Do not use an alkaline cleaning agent.

Do not spray coee grinder with water and/or steam.

Reason: It can result in a short-circuit and therefore damage to the unit. The

use of alkalis can aect the avour of the coee.

Thecoeegrindershould becleanedat leastonceweekly andalwaysifsoiled

Page 7

3.3.2 Changing the scale setting (adjustment for customer settings)

• Switch o motor.

• Unscrew screw (1) at centre of ad-

justing knob (2) approx. 3 - 5 mm, do

not remove.

• Set required number of divisions by

pullingoutadjustingknob(2),turning

in the corresponding direction and

re-engaging.(1divisioncorresponds

to approx. 3 - 4 mm on the scale.)

• adjustment clockwise = coarser

grinding

• adjustment anti-clockwise = ner

grinding

• Switch on motor.

• Retighten screw at centre of adjust-

ing knob (2).

• Switch o motor.

There must be no sound of grinding discs rubbing together at

scale position 1 = excessive wear of grinding discs.

Checking the setting:

Whenturningtheadjustingknobfromscaleposition1-9there

mustonnoaccountbeasoundofmetalpartsrubbingtogether.

3.3.1 Basic setting (calibration)

If the basic setting is incorrect, friction can occur between the

grinding discs, resulting in excessive wear.

Switch on motor.

• Unscrew screw (1) at centre of ad-

justing knob (2) approx. 3 - 5 mm, do

not remove.

• Pullout(3)adjustingknob(2)andturn

1/4ofarevolutionanti-clockwise(4).

Release and engage (5) adjusting

knob (2). (1 division corresponds to

approx. 3 - 4 mm on the scale.) Turn

adjusting knob (2) slowly clockwise

to scale position 1 until there is a

sound of grinding discs rubbing to-

gether (6).

• When the sound of grinding discs

rubbing together is heard, turn back

while locked 10 mm anti-clockwise

(7).Pullout(8)adjustingknob(2)and

turn clockwise to scale position 1 (9).

Release adjusting knob (2) and en-

gage (10).

• Retighten screw at centre of adjust-

ing knob (2).

• Switch o motor.

Page 8

All supporting (mating) surfaces of stationary disc ange, ro-

tating disc ange, grinding discs and grinding case must be

absolutely clean before assembly.

Only in this way can perfect grinding be guaranteed

• Plug in power cable, switch on cof-

fee grinder briey. If it blocks or

there is a sound of metal parts rub-

bingtogether,thescalesetting must

be adjusted according to 3.3.2.

• Retighten screws (6) of the station-

ary disc ange. For this purpose the

hopper (4) must be removed again

and then re-tted.

• Perform basic setting (calibration)

according to 3.3.1.

Retighten hopper lock (3) after reassembly (see illustration

page 11).

4 Faults / action

4.1 Action in event of a fault

Whenoperated bycustomers,it mustbe ensuredthat person-

nelarenotiedintheeventofafaultandthatcustomersdonot

try torepairthe machinethemselves.Thegrindermustonlybe

opened,inspectedanddismantledbypersonsfamiliarwiththe

methodofoperationofthemachine,whohavepreviouslyread

these operating instructions through carefully.

3.4 Replacing the grinding discs

Before changing grinding discs switch o motor without fail

and disconnect power cable !

The grinding discs must only be replaced by persons familiar

with operation of the machine according to the following in-

structions.

• Switch o motor and pull out pow-

er cable. Set adjusting knob (2) to

coarse grinding scale position 9.

• Release left-hand hopper lock (3)

only,butdonotremove.Turnhopper

(4) counter-clockwise through ap-

prox. 15° and remove.

• Remove stationary disc ange (5) by

releasing screws (6) (see illustra-

tion) and dismantle grinding discs.

Dismantle lower grinding disc from

rotating disc ange (rotary ange 7).

• Screw new grinding discs to the

cleaned stationary and rotating disc

anges (5 + 7).

• For resharpened grinding discs the

shims if supplied should be inserted

between grinding disc and ange.

• Then re-assemble parts in reverse

sequence.

Page 9

4.2 Repairs

Switch o motor and pull out power cable before all major re-

pairsrequiring workinside the machine,in orderto avoiddan-

gerofinjurywhileworkingonmotorwhilerunningandelectric

shock !

The electrical wiring diagram for this unit can be found inside

the front panel.

4.2.1 Unblocking the discharge tube

• Switch o motor and pull out power ca-

ble.

• Unblock discharge tube from outside as

far as possible.

• Set adjusting knob (1) to coarse grind-

ing scale position 9 and switch motor

on again. This frequently unblocks the

grinder and extracts any foreign bodies

in the grinding unit.

• If the motor still does not run, continue

according to 4.2.2.

4.2.2 Unblocking the grinding unit

• Switch o motor and pull out power

cable.

• Remove coee beans from hopper (4)

(use a vacuum cleaner if necessary).

• Release left-hand hopper lock (3) only,

but do not remove.

• Turn hopper (4) counter-clockwise

through approx. 15° and remove.

• Remove stationary disc ange (5) by

releasing screws (6) (see illustration).

4.1.1 Table with possible malfunctions

Fault Result Action (information

text)

Re.

Grinder cannot be

switched on

ON/OFF switch

does not light

Circuit breaker

Check power ca-

ble, connection and

building fuses

Reset circuit breaker

4.2.4

Grinder jams, mo-

tor does not start

ON/OFF switch

lights

Unblock discharge

tube

Unblock grinding

unit

4.2.1

4.2.2

4.2.4

Irregular grinding Checkgrindingdiscs

for wear and replace

if necessary

3.4

Increasedamount

of dust

Checkgrindingdiscs

for wear and replace

if necessary

3.4

Bag slips or is no

longer held prop-

erly

Replace rubber bolt 4.2.3

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