Kunzle & Tasin Arlequin Manual

USE AND MAINTENANCE HANDBOOK FOR MACHINE ARLEQUIN
This handbook contains important information regarding the safe use and operation of this machine.
Without reading this handbook before first time use, adjustment or maintenance may produce
damages to the machine and/or personal injury. The user should be on familiar terms with the
machine and its operation before using it. Keep this handbook for future reference. Should you need
other handbooks, please write to: Künzle & Tasin S.P.A.
Direzione Commerciale e Stabilimento: Via Cajkovskij, 14 20092 Cinisello Balsamo - Milano - Italia

DRUM SANDER FOR WOODEN FLOORS
ARLEQUIN ED 04
PG. 2/19
USE AND MAINTENANCE HANDBOOK
CONTENTS
LISTED SYMBOLS............................................................................................................................................3
STORAGE..........................................................................................................................................................4
TRANSPORTING AND HANDLING OF THE MACHINE..................................................................................4
TRANSPORT BY ONE PERSON...............................................................................................................4
TRANSPORT BY TWO PERSONS............................................................................................................4
STARTING .........................................................................................................................................................5
ASSEMBLING INSTRUCTIONS (AFTER TRANSPORT)..........................................................................5
INSTRUCTIONS FOR ELECTRICAL CONNECTIONS..............................................................................5
INSTRUCTIONS FOR REMOVING THE SAWDUST PRODUCED DURING WORK ...............................6
USER SAFETY RECOMMENDATIONS............................................................................................................7
PERSONAL SAFETY..................................................................................................................................7
COMPLIANCE WITH SAFETY STANDARDS............................................................................................7
INSTRUCTIONS FOR THECORRECT USE.............................................................................................8
MACHINE SPECIFICATIONS............................................................................................................................9
USER INSTRUCTIONS....................................................................................................................................10
INCORRECT USES..................................................................................................................................10
STARTING THE MACHINE.............................................................................................................................10
ADJUSTMENT OF THE MACHINE.................................................................................................................12
DRUM PRESSURE ADJUSTMENT .........................................................................................................12
WHEELS ADJUSTMENT (on a plane parallel to the drum's axle) ...........................................................12
PROCEDURES FOR THE SETTING OF THE ABRASIVES.........................................................................12
ARLEQUIN EXPANSION (drum for expansion type).............................................................................12
ARLEQUIN RENT (drum for rent type ).................................................................................................12
ARLEQUIN CLASSIC (drum for classic type).........................................................................................13
PERIODIC MAINTENANCE.............................................................................................................................13
VACUUM UNIT (FOR THE USER)..........................................................................................................13
DUST BAG (FOR THE USER).................................................................................................................13
DRUMS (FOR THE USER).......................................................................................................................13
WHEELS (FOR THE USER).....................................................................................................................13
BELT TENSION (FOR THE USER)..........................................................................................................14
BEARINGS ( FOR THE ASSISTANCE SERVICE ONLY)........................................................................14
SPARE PARTS................................................................................................................................................14
TROUBLE SHOOTING ( FOR THE USER )....................................................................................................15
PROBLEMS ..............................................................................................................................................15
CAUSES....................................................................................................................................................15
REMEDIES................................................................................................................................................15
PICTURES ................................................................................................................................................. 16-18
DECLARATION OF CONFORMITY................................................................................................................19

DRUM SANDER FOR WOODEN FLOORS
ARLEQUIN ED 04
PG. 3/19
LISTED SYMBOLS
READ THE INSTRUCTIONS IN THIS HANDBOOK
BEFORE USING THE MACHINE
NOISE HAZARD – USE EAR PROTECTORS
BREATHING HAZARD - USE PROTECTIVE MASK
ELECTRICAL SHOCK HAZARD
DANGER MOVING PARTS
DANGER:
means The operator or other person may be seriously injured or die if the
DANGER warnings found on this machine or in this manual are ignored
or not kept to. Read and comply with all the DANGER warnings found on
this machine or in this manual.
WARNING: means The operator or other persons may be injured if the WARNINGS found on
this machine or in this manual are ignored or not kept to. Read and
comply with all the WARNINGS found on this machine or in this manual.
CAUTION: means The operator or other persons may be hurt if the CAUTION warnings
found on this machine or in this manual are ignored or not kept to. Read
and comply with all the CAUTION warnings found on this machine or in
this manual
USE AND MAINTENANCE HANDBOOK

DRUM SANDER FOR WOODEN FLOORS
ARLEQUIN ED 04
PG. 4/19
USE AND MAINTENANCE HANDBOOK
STORAGE
We recommend storing the machine without removing it from its original packaging to allow up to a maximum
of two packages to be stacked one on the top of the other.
If the machine is removed from its original packaging and not used for long periods the wheels and the drum
must be raised from the ground. Set the machine on two blocks at least 50 cm high, making sure the base is
supported by them.
Store the machine in a dry place. Storage in damp conditions will result in damage to the machine.
Storage temperature: -20°C to 50°C
TRANSPORT AND HANDLING OF THE MACHINE
WARNING: Since the machine is heavy, remove the motor before transport. Ask for
help lifting the machine and motor
TRANSPORT BY ONE PERSON (See pictures 1 and 2 page 17)
In order to make the transport easier, the machine can be dismounted in many parts:
•handle
•suction set
•tank - basket (this can be left with the grip)
•base with drum and motor
by proceeding in this way:
1. Ensure that the mains cable coming out of the vacuum unit is disconnected from the electric wires, the
motor cable from the plug placed on the head of the suction set and the cable interconnecting the grip
and the motor from the plug placed on one side of the motor – box.
2. Detach the flexible pipe from the pipe union placed on the vacuum unit tank.
3. Lift the vacuum unit and move it from its slot.
4. Loosen the screwed knob placed on the vacuum unit tank.
5. Detach the tank – basket from the grip.
6. After moving forward the lever lifting the drum, lift the bush and take off the rod from the joint.
7. Loosen the lobes handgrip.
8. Take off the grip from the seats by moving it slightly backwards and then by lifting it in vertical position.
9. Lift the base by seizing the drum guard handle in the front and the rear transport – handgrip.
TRANSPORT BY TWO PERSONS (See pictures 1 and 2 page 17)
If there are two people moving the machine in several parts it is necessary to operate as explained before,
until point 8, then proceed as follows:
1. One operator seizes the drum guard handle.
2. The other operator holds the rear carriage handle.
If two people want to transport the whole machine, proceed as follows:
1. One operator seizes the handle fitted on the drum’s guard.
2. The other operator holds with both his hands the vertical rod of the handgrip.

DRUM SANDER FOR WOODEN FLOORS
ARLEQUIN ED 04
PG. 5/19
USE AND MAINTENANCE HANDBOOK
STARTING
ASSEMBLING INSTRUCTIONS (AFTER THE TRANSPORT)
To reassemble the machine after the transport, proceed as follows:
1. Insert the grip in the two lateral slides and close the lobes handgrip.
2. Insert the rod in the joint, lower the bush and close everything.
3. Insert the tank - basket in the special seat of the grip and lock it with the screwed knob.
4. Insert the vacuum unit in the tank - basket.
5. •Connect the motor plug placed on the head of the vacuum unit.
•Connect the cable interconnecting the grip and the motor with the tap placed on one side of the
motor box.
6. Lift the drum with the lever hooking it to its seat.
DANGER:Use of the machine before it is completely assembled may cause injuries to people
and/or damage to things. Do not use a machine, which is not completely assembled.
Keep all fastenings closed. Adjust the machine according to the specifications.
INSTRUCTIONS FOR ELECTRICAL CONNECTIONS
CAUTION: This machine only works with the voltage and frequency shown on the machine plate.
Before connecting the cable to the power supply grid, make sure that the voltage and
frequency available are correct.
DANGER: Exposing the machine to water or rain leads to a risk of electrocution. Keep the
machine in a dry building.
DANGER: Incorrect mains connection of the machine leads to a risk of electrocution. In order to
prevent possible electric shocks, always use a three-wire electric system connected to
an electrical earth. For maximum protection against electric shocks, use a circuit
protected with a differential earth fault interrupter.
DANGER: Tampering with the earth pin in any way may lead to electrocution. Do not cut, remove
or break the earth pin. Do not try to insert a three-pin plug into a socket or connector,
which does not have three holes. If the plug does not fit the socket, consult an
authorized electrician.
DANGER: Using the machine with a damaged plug or power supply cable may lead to
electrocution. If the cables or plugs are worn or damaged in any way, have them
replaced by an electrician or authorized service staff.
DANGER: If the machine is used with cables with inadequate diameter and/or excessive length
people and/or things can undergo serious damage.

DRUM SANDER FOR WOODEN FLOORS
ARLEQUIN ED 04
PG. 6/19
USE AND MAINTENANCE HANDBOOK
SINGLE PHASE MOTOR MACHINE 230 - 240V
∼ 50Hz
For Europe, the power supply cable must be of the HAR approved type, namely HO5VV-3x2.5 mm2, and the
plug must be of the 2P+T16A-250V approved type.
For non-European versions contact an authorised K&T dealer.
INSTRUCTIONS FOR REMOVING THE SAWDUST PRODUCED DURING THE WORK
The machine is equipped with a dust – suction system through filtering paper bag to be used and then
thrown away placed inside the vacuum unit. Therefore, it is recommended:
DANGER: Dust created by sanding may spontaneously ignite and cause injury or damage.
Dust from sanding must be dealt with a right way. Always empty the sanding dust
into metal containers located outside the building.
Do not use the bag again!
DANGER: The dust of the sanding can naturally catch fire and cause lesions and damage.
Substitute the paper bag periodically and every time you have finished using the
machine. Never leave used bags containing lapping dust unattended.
Do not empty the contents of the paper bag and do not throw it on a fire!
WARNING: K & T suggests the substitution of the paper bag around every 15 m2of work. This
limit has been established by way of experiment for sanding operations with abrasive
paper Gr.36 and oak – floor; this value can undergo variations according to different
terms of use, so it must be considered as an averaged indication. However, if the
previous suggestion is observed, the effectiveness of the system will always be
optimum.

DRUM SANDER FOR WOODEN FLOORS
ARLEQUIN ED 04
PG. 7/19
USE AND MAINTENANCE HANDBOOK
USER SAFETY RECOMMENDATIONS
PERSONAL SAFETY
WARNING: Although the machine has been designed in such a way as to avoid the diffusion of
the sanding dust in the air, it can’t be excluded that this event takes place; so it
could happen that the user breaths the dust while using the machine. Therefore,
always use a dust – mask when the sanding - equipment is working.
WARNING: The eyes and/or body may be injured if protective clothing or equipment are not
worn. Always wear safety glasses, protective clothing and a dust mask during any
sanding operation.
WARNING: During sanding operations, loud noises may occur which may damage hearing after
long exposure. Always use acoustic protection during any sanding operation.
COMPLIANCE WITH SAFETY STANDARDS
DANGER:Use of the machine before it is completely assembled may cause injuries to people
and/or damage to things. Do not use a machine which is not completely assembled.
Keep all fastenings closed. Adjust the machine according to the specifications.
DANGER: Injury or damage may be caused by using the sander without its guards and covers
in place. Always make sure that all guards and covers are in their places and well
attached.
DANGER: Sanding wooden floors may lead to an explosive environment. Cigarettes, cigars,
pipes, lighters, pilot lights and all other sources of fire may cause an explosion if
they are used while sanding. Sources of fire must be completely removed from the
work area.
DANGER: Poorly ventilated work areas may lead to an explosive environment when certain
combustible materials are present in the air, such as, for example, solvents, thinners,
alcohols, fuels, some paints, sawdust and other combustible materials. Machines for
sanding floors can cause combustible materials and vapours to ignite. Read the
manufacturers' instructions on each chemical product used in order to decide
whether it is combustible. Keep the work area well ventilated.
DANGER: Knocking against nails while sanding may cause explosion or start a fire. Always
sink all nails completely before sanding the surfaces.
DANGER: If the power supply circuit trips continuously or it provides insufficient power, there is
a risk of electrocution. Have an authorized electrician check the fuses, protection
circuit and power supply line.
DANGER: Maintenance or repairs carried out on a machine which is not duly disconnected
from the power supply line may cause electrocution. Disconnect the power line
before carrying out any maintenance work and/or repairs.
DANGER: Use of this machine connected to a grid without earth may cause electrocution.
Never disconnect or disable the power supply earth conductor. Consult an electrician
if the earth conductor is missing or if you suspect that the system is not suitably
earthed.
DANGER: Use of this machine with a damaged power supply cable may cause electric shock.
Do not use the machine if the power supply cable is damaged. Do not use the power
supply cable for moving the machine.

DRUM SANDER FOR WOODEN FLOORS
ARLEQUIN ED 04
PG. 8/19
USE AND MAINTENANCE HANDBOOK
DANGER: Injury or electrocution may occur if the machine passes over the power supply cable
or damages it. Keep the cable away from the lower part of the machine in order to
avoid contact with the abrasive. Keep the power supply cable up over the machine.
DANGER: The moving parts of this machine may cause serious injury and/or damage. Keep
hands, feet and loose clothing away from the moving parts of the sander.
DANGER: Carrying out maintenance operations, replacing or adjusting belts, or replacing the
dust bag may cause injury to the operator and/or surrounding people if the machine
is connected to the power supply.
WARNING: Serious injury or damage may occur if all the instructions on this machine or in this
manual are not read and complied with. Read and abide by all safety instructions.
Make sure that all the plates, transfer printings, warnings, cautions and instructions
are fixed to the machine. New plates may be had from your authorized K&T retailer.
CAUTION: Injury or damage may occur if maintenance and repairs are carried out by
unauthorized staff.
CAUTION: Damage may be caused to the machine if it is not kept in a dry building when not in
use. Store the machine in a dry building.
INSTRUCTIONS FOR THE CORRECT USE OF THE MACHINE
The appliance is suitable for commercial use, for example in hotels, schools, hospitals, offices, factories and
shops.
The following information highlights potentially dangerous conditions for the operator and/or machine. Read
this manual carefully in order to become familiar with the machine. Learn to know when these conditions
may occur. Set all the safety devices on the machine. Take all necessary measures in order to train the staff
who will use the machine. Immediately report damage to the machine or incorrect operation.
1. Keep hands and clothing away from moving parts.
2. Do not use the machine with drive belt guards or sanding belt covers open.
3. Always start the machine with the paper bag assembled correctly.
4. Do not detach the paper bag when the motor is working.
5. Always disconnect the machine from the mains before carrying out maintenance.
6. Given the weight of individual machine components, always use caution during transport.
7. Use the machine only in well ventilated areas
8. Always arrange the used paper bags in the correct way.
9. Always use the sanding belts provided with the machine or of the type specified in the handbook.
10. Use the sander indoors.
ATTENTION! During the operations of replacement of the abrasive belt always disconnect the mains cable
from the socket and not the cable interconnecting the handle and the motor. The non – observance of this
warning may cause the start of the machine and as a consequence that of the drum with risks of hands –
lesions.

DRUM SANDER FOR WOODEN FLOORS
ARLEQUIN ED 04
PG. 9/19
USE AND MAINTENANCE HANDBOOK
MACHINE SPECIFICATIONS
ABRASIVE SIZE FOR THE DRUM:
ARLEQUIN EXPANSION
ARLEQUIN CLASSIC
ARLEQUIN RENT
200 x 480 mm RING SHAPED
200 x 550 mm
200 x 470 mm
DRUM WIDTH:
ARLEQUIN EXPANSION / CLASSIC
ARLEQUIN RENT
200 mm
203 mm
DRUM DIAMETER:
ARLEQUIN EXPANSION / CLASSIC
ARLEQUIN RENT
151 mm
147 mm
DRUM SPEED:
ARLEQUIN EXPANSION
ARLEQUIN CLASSIC/RENT
3000 revolutions/min
2500 revolutions/min
MOTOR 230-240V ∼50 Hz 1,3 kW
VACUUM UNIT 230-240V ∼50 Hz 1,2 kW
Air flow = 170 m3/h Tank volume = 33 l
STARTING - BUTTON MANOEUVRABLE BY THE HANDGRIPS
CONTROL OF THE WHEELS LEVEL ADJUSTABLE BY THE SCREW PLACED ON THE
BASE
MOTOR SAFETY PROTECTIONS BY KEY WARNING “PRESENCE OF MAN”.
RELEASING THIS KEY THE MOTOR STOPS.
WHEELS Ø 80 mm REPLACEABLE
BEARINGS RADIAL BALL BEARINGS LIFE LUBRICATED
ADJUSTMENT OF THE PRESSURE ON THE
DRUM TWO – POSITION ADJUSTMENT BY HANDGRIP
NOISINESS (constant level of the acoustic
pressure calculated A measured at a distance
of 0,4 m from the handgrips and at a height of
1,5 m from the ground)
80 dB(A) max
VIBRATIONS (calculated mean value of the
quadratic deviation)
≤1,45 m/s2
MACHINE SIZE 320 x 870 x 950 mm
NET WEIGHT 43 kg
PACKAGING SIZE 1 box 380 x 800 x 1200
GROSS WEIGHT 56 kg
STANDARD EQUIPMENT 50 PAPER BAGS, VACUUM KIT (extension “flex”
for edger, pipe + plate for vacuum cleaners),
operating keys, operating and maintenance
instructions.

DRUM SANDER FOR WOODEN FLOORS
ARLEQUIN ED 04
PG. 10/19
USE AND MAINTENANCE HANDBOOK
USER INSTRUCTIONS
INCORRECT USES
CAUTION: Using the machine to push other objects or an incline may result in damage and/or
personal injury. The machine must be used exclusively to sand dry wooden floors
that are flat or with a maximum incline of 2%. Do not use the machine to sand steps
or furniture. Do not ride the machine.
CAUTION: Allowing the machine to remain stationary in one point with the drum running will
result in serious damage to the floor being sanded. Do not pause when raising or
lowering the drum but always advance at a constant speed.
STARTING THE MACHINE
Working as sanding machine
To start the machine proceed as follows:
1. Get to know the machine and read all instructions regarding potential dangers, warnings and precautions.
Make sure that all users have read this handbook.
2. Arrange the paper bag that sucks up the dust in the tank after removing the head of the vacuum unit;
subsequently position the head again, by hooking it to the tank through the suitable fixing – hooks.
3. Locate the mains supply. The socket must be compatible with the plug. To prevent electrical hazards the
socket must be earthed and fitted with a 20A fuse.
4. Keep the mains cable out of the machine working area.
5. Rotate upwards the belt protection.
6. Assemble the abrasive following the “procedures for the assembly of the abrasive” according to the kind of
drum installed on the machine.
7. Make sure that the lever is engaged and the drum raised from the floor.
8. Close the belt - protection.
9. Ensure that the motor cable is connected to the tap placed on the head of the vacuum unit and that the
cable interconnecting the grip and the motor is connected to the tap placed on one side of the motor box.
10. Connect the mains plug.
11. By using the selector (placed on the head of the vacuum unit) in the position II it is possible to select the
working as floor sanding.
12. Release the lever for the drum lifting by pulling laterally the red knob placed on the opposite side of the
same lever and press the starting button: the motor starts. Bring progressively the drum near to the floor
by moving forward the lever for the drum lifting .
CAUTION: The sudden release of the lever for the drum lifting can cause exceedingly deep grooves on
the work surface, hardly removable with the following sanding operations.
13. In order to stop the machine release the starting button and, successively, hook the lever for the drum
lifting.

DRUM SANDER FOR WOODEN FLOORS
ARLEQUIN ED 04
PG. 11/19
USE AND MAINTENANCE HANDBOOK
Working as vacuum cleaner
From point 1 to point 4 follow the previous procedure.
5. Disconnect the flexible pipe of the machine from the pipe union of the tank.
6. Assemble the vacuum kit by inserting the flexible pipe in the pipe union of the tank and the brush in the
rigid terminal of the same kit.
7. If the selector is in position I the machine works as a simple vacuum cleaner.
Matched working with the machines NOVA or VIBRA
From point 1 to point 4 follow the previous procedure.
5. Disconnect the flexible pipe of the machine from the pipe union of the tank.
6. Assemble the flexible pipe (which is part of the vacuum kit) by inserting one end (the plastic rigid joint) in
the pipe union of the tank and the other end (the rubber joint) on the suction pipe of the machines NOVA
or VIBRA.
7. Disconnect the motor cable from the tap placed on the head of the vacuum unit and insert in it the mains
plug of the machine NOVA or VIBRA.
8. When the selector is placed in position II, pressthe starting button of the machine NOVA or VIBRA. The
aspirator will start at the same time as the tool connected to it and it will stop about 8 seconds after the
stalling of the machine NOVA or VIBRA, so as to make it possible to clear away perfectly also the dust left
in the pipe.
CAUTION: Although the amount of dust produced by the machine NOVA or VIBRA is substantially lesser than
that produced during the working as floor sanding, it is highly recommended the periodical check of the paper
bag and its substitution before its maximum filling.

DRUM SANDER FOR WOODEN FLOORS
ARLEQUIN ED 04
PG. 12/19
ADJUSTMENT OF THE MACHINE
DRUM PRESSURE ADJUSTMENT (see detail A)
In order to set the pressure of the drum on the floor, by operating on T- shaped handwheel, you have to
proceed in this way:
1. Turn the handwheel so as to position it in the deeper slots: the pressure of the drum on the floor
increases.
2. Turn the handwheel so as to position it in the less deep slots: the pressure of the drum on the floor
decreases.
ADJUSTMENT OF THE WHEELS (on a horizontal plane parallel to the axle of the
drum) – see detail B
In order to regulate the position of the wheels you have to proceed as follows:
1. Loosen the lock nut
2. By turning the adjust. screw clockwise the extremity of the drum on the side of the belt guard arises
from the floor.
3. By turning the adjust. screw counter clockwise the extremity of the drum on the side of the belt
guard lowers towards the floor .
4. Once found the correct position of the drum, lock the lock nut.
PROCEDURES FOR THE SETTING OF THE ABRASIVES
ARLEQUIN EXPANSION (drum for expansion type)
Wrap the abrasive pos. 2(Fig. C) on the drum pos. 1, making sure that the abrasive sticks out 1,5 mm from
the drum itself.
WARNING: The abrasive is in the correct position when it sticks out 1,5 mm from the
sanding drum
WARNING! Never start the machine without the sanding paper; it may
cause the destruction of the drum.
ARLEQUIN RENT (drum for rent type)
Loosen fixing screws pos. 1 fig. D of the paper pressing bar pos. 2 fig. D on the drum by means of the proper
screwdriver. Do not remove screws and paper pressing bar from the drum. Insert one end of the abrasive pos.
3 fig. D pos. 4 fig. D under paper pressing bar. Centre the abrasive on the drum and tighten it eliminating all
the wrinkles. Tighten paper pressing bar screws. If you have any doubt, loosen fixing screws of the paper
pressing bar and repeat the routine.
DANGER: If you use abrasive which is damaged or not well tightened, it may torn
while sanding and cause damages to the machine and to the floor
USE AND MAINTENANCE HANDBOOK

DRUM SANDER FOR WOODEN FLOORS
ARLEQUIN ED 04
PG. 13/19
USE AND MAINTENANCE HANDBOOK
ARLEQUIN CLASSIC (drum for classic type)
Abrasive has to be prepared in the dimensions indicated in fig. E and it has to be cut absolutely with the
inclination which is showed in the picture. By means of the proper keys, turn the two tensioning shafts pos. 1
e 2 fig. F until the two flat sides of the tensioning shafts are face to face. Insert one abrasive edge for approx.
2/3 of the drum cut depth and turn the drum being careful that the abrasive sticks to the rubber; once you get
to the cut, insert the other edge of the abrasive until it is uniformly stretched. Take the two edges out of the
cut, uniformly, for approx. 5 mm., as shown in fig. F. Turn the tensioning shafts one opposite the other until
you get the right and regular tensioning of the abrasive. In the end, the Pplanes of the shaft have to be
approx. as indicated in fig. G.
In case the abrasive should not be uniformly tight, after carrying out the a.m. operations, please repeat the
instructions adjusting the introduction of the abrasive until you get the correct and regular tensioning. The
a.m. procedure is needed for setting of coarse grain abrasive (20-24). For medium and fine abrasive (36-60-
80 etc…). it is necessary to put one or even more abrasive stripes between the two edges, which should be as
large as the drum and of approx. 30 mm. of height, in order to compensate for the difference in thickness
between the coarse and the medium/fine grain abrasive
WARNING: The abrasive is in the correct position when it protrudes from the sanding
drum by about 1.5 mm.
DANGER: If you use abrasive which is damaged or not well tightened, it may tear
while sanding and cause damages to the machine and to the floor
PERIODIC MAINTENANCE
To keep the machine in good working order, the following items must be periodically checked and maintained:
VACUUM UNIT (for the user)
Check periodically the condition of the fabric filter, by eliminating the residues with a slight shaking of the same
filter. The continual and correct use of the paper bags, which are to be used once and then thrown away,
prevents in any case every risk of stoppage of the filter.
DUST BAG (for the user)
Remove the bag and replace it before it is completely full. Do not use the paper bag again but always
substitute it with a new one.
DRUMS (for the user)
Check periodically the external surface of the sanding drum. Remove any dirt.
WHEELS (for the user)
Remove periodically any dirt from the machine body and wheels. Accumulated dirt, modifing wheels planarity,
may cause undulations on the sanded surface.

DRUM SANDER FOR WOODEN FLOORS
ARLEQUIN ED 04
PG. 14/19
USE AND MAINTENANCE HANDBOOK
BELT TENSION (for the user) – see pic. H
Inspect the tension of the belt, every 500 hours of work, by removing the protection of the belt pos. 1,
after taking off the screws pos. 2 (quantity 2) and loosening the screws for the motor fixing), pos 3
(quantity 4).
The regulation of the tension of the belt is carried out by the screw pos.4. After effecting the regulation, lock
the fixing screws of the motor pos. 3 and assemble again the belts protections pos.1. If the belt is
exceedingly worn out it must be replaced.
PRECAUTION: An excessive tension of the belt can cause a premature yielding of the ball
– bearings.
The belt must show a 10,5 mm buckling with a 30 ±3 N load in its middle.
BEARINGS (FOR ASSISTANCE SERVICE ONLY)
Check periodically the bearings for wear or damage according to following schedule:
Wheels after the first 2500 working hours
Sanding drum after the first 2500 working hours
Motor shaft after the first 2500 working hours
SPARE PARTS
Always use original K&Tspare parts. The guarantee and consequent responsibility are forfeited if non-
original K&T spare parts are used, and if repairs and adjustments are carried out by unauthorized personnel.

DRUM SANDER FOR WOODEN FLOORS
ARLEQUIN ED 02
PG. 15/20
________________________________________________________________________________________________USE AND MAINTENANCE HANDBOOK
TROUBLESHOOTING (FOR THE USER )
Insufficient cut worn or unsuitable abrasive
insufficient drum pressure
insufficient belt tension
worn belt
replace abrasive
increase drum pressure, see pg. 13
increase belt tension, see pg. 15
replace belt
Insufficient motor speed insufficient voltage due to:
excessive length or unsuitable cable cross-section
precarious connections
faulty running capacitor
faulty motor
use cable of suitable length and cross-section
set up suitable connections
contact an authorized K&T distributor
contact an authorized K&T distributor
Grooved work surface faulty abrasive
dirty or faulty drum surface
incorrect wheel adjustment
replace the belt
clean or replace the rubber-coated drum
correct their position, see pg. 13
Insufficient dust collection Paper dust bag more than 2/3 full
Dust suction conducts clogged
Filter clogged
replace the paper bag
clean the air conducts
clean the filter
The motor does not start faulty safety switch or contactor
faulty start-up capacitor
insufficient voltage due to precarious connections
faulty motor
no mains supply voltage
contact an authorized K&T distributor
contact an authorized K&T distributor
contact an authorized K&T distributor
contact an authorized K&T distributor
check the power supply and connections
Burns on the work surface worn abrasive
excessive drum pressure
excessively fine abrasive
replace abrasive
decrease drum pressure, see pg. 13
use a coarser abrasive

DRUM SANDER FOR WOODEN FLOORS
ARLEQUIN ED 02
PG. 16/20
________________________________________________________________________________________________
USE AND MAINTENANCE HANDBOOK
Picture 1
Picture 2

DRUM SANDER FOR WOODEN FLOORS
ARLEQUIN ED 02
PG. 17/19
________________________________________________________________________________________________
USE AND MAINTENANCE HANDBOOK

DRUM SANDER FOR WOODEN FLOORS
ARLEQUIN ED 02
PG. 18/19
________________________________________________________________________________________________
USE AND MAINTENANCE HANDBOOK
DRUM SANDER FOR WOODEN FLOORS
ARLEQUIN ED 02
PG. 18/19
________________________________________________________________________________________________
USE AND MAINTENANCE HANDBOOK

DECLARATION OF CONFORMITY
EC DECLARATION OF CONFORMITY
73/23CEE, 98/37CEE, 89/336/CEE,
92/31/CEE.
We
KÜNZLE & TASIN S.p.A.
Accounting office: Via C. Freguglia 4
20122 Milano - Italy
declare under our responsibility that the product
ARLEQUIN CLASSIC / RENT / EXPANSION DRUM SANDER
to which this declaration relates is in conformity with the following standards or other
normative document(s):
•Safety of machinery - Basic concepts, general principles for design
Basic terminology, methodology EN 292 Part 1 (1991)
•Safety of machinery - Basic concepts, general principles for design
Technical principles and specification EN 292 Part 2 (1991)
•Safety of machinery - Electrical equipment of machines
Part 1 : General requirements EN 60204-1 (1997)
•Safety of household and electrical appliances - General requirements
EN 60 335-1 (1994) + A12, A13, A14,
•Particular requirement for floor treatment and floor cleaning machine for industrial and
commercial use – EN 60 335-2-67 (1998)
•Electromagnetic compatibility (EMC)
•Limits and methods of measurements of radio disturbance characteristics of electrical motor-
operated and thermal appliances for households and similar purposes, electric tools and similar
electric apparatus - EN 55014-1 (1993) + A1, A2
•Part 3: Limits. - Section 2: Limits for harmonic current emissions (equipment input current ≤16
A per phase) - EN 61000-3-2 (1995) + A12, A1, A2, A14
•Part 3: Limits. - Section 11: Limitation of voltage fluctuations and flicker in low-voltage supply
systems for equipment with rated current ≥16 A. EN 61000-3-11 (2000)
following the provisions of the Directives:
73/23CEE, 98/37/CEE, 89/336/CEE, CEE 92/31/CEE.
_______________________ __________________________________
(place and date of emission) (signature)