Kunzle & Tasin Bona Scorpion DCS User manual

Operating Manual
Bona Scorpion DCS by

bona.com
Bona Scorpion DCS Manual
2
Foreword
ATTENTION:
This manual contains important information on the safe use and operation
of this machine. Failure to read this manual before operating, adjusting or
servicing this machine could cause injury or damage to persons or objects.
Anybody operating the machine should understand how to use and operate
it before starting it up. Keep this manual for future reference.
This manual is an ENGLISH translation of the original version in Italian.
For a new manual contact:
Bona AB
Murmansgatan 130
P.O. Box 21074
SE-200 21 Malmö, Sweden
Tel [phone]
www.bona.com

3
Table of Contents
Foreword 2
Table of Contents 3
Machine Symbols Key 4
Operator Safety 4
Storage 6
Transporting and Handling 7
With one person 7
With two people 9
Introduction 10
Safe and correct use 10
Machine data plate 11
Commencing Operation 12
Instructions for assembly following transportation 12
Instructions for electrical connection 14
Cables, extensions and plugs 14
Removing sawdust generated during use 15
Prevention Measures for Users 15
Personal safety measures 15
Compliance with safety measures and warnings 16
Instructions on Correct Machine Use 17
Machine Specifications 18
Machine Warnings 19
Prohibited use 19
Starting the Machine 19
Sander operation 19
Vacuum cleaner operation 22
Machine Adjustment Procedures 23
Adjusting sanding pressure 23
Wheel adjustment 24
Abrasive Assembly Procedure 25
Routine Maintenance 25
Sawdust chamber (for the user) 25
Drums (for the user) 26
Wheels (for the user) 26
Suction unit (for the user) 26
Dust bag (for the user) 27
Belt tension (for the user) 27
Bearings (only for tech support service) 28
Spare Parts 28
Emergency Situations (for the user) 28
Problem 28
Causes 28
Solutions 28
Declaration of Conformity 30
Disposal 31

4bona.com
Bona Scorpion DCS Manual
Machine Symbols Key
HAZARD means: Serious injury or death may occur to the operator or others if 'HAZARD' warnings on the
machine or in this manual are ignored or not kept to. Read and follow all 'HAZARD' warnings on this machine
or in this manual.
WARNING means: Injury may occur to the operator or others if 'WARNING' notices on the machine or in this
manual are ignored or not kept to. Read and follow all 'WARNING' notices on this machine or in this manual.
CAUTION means: Damage may occur to the operator or others if 'CAUTION' alerts on the machine or in this
manual are ignored or not kept to. Read and follow all 'Caution' alerts on this machine or in this manual.
Operator Safety
Failure to read the Bona Scorpion DCS machine manual before operating, adjusting or performing
maintenance operations on the machine could cause injury or damage to persons or objects.
Anyone operating the machine should understand how to use and operate it before starting it up.
KEEP AWAY FROM CHILDREN
Children should be supervised to ensure that they do not play with the appliance. This machine is not
intended for use by persons (including children) with reduced physical, sensory or mental capabilities,
or lack of experience and knowledge unless they have received instructions regarding the use and are
supervised by a person responsible for their safety.
Read the instructions
contained in this user
and maintenance manual
before using the machine.
Hearing protection during
use is recommended.
Protection of the airways
during use
is recommended.
Hazard due to
moving parts.
Hazard due
to electricity.

5
Operator Safety (Cont.)
Sanding/finishing wood floors can create an environment that can be explosive.
The following safety procedures must be adhered to:
• Cigarette lighters, pilot lights, and any other sources of ignition can create an explosion when active
during a sanding session. All sources of ignition should be extinguished or removed entirely, if possible,
from the work area.
• Work areas that are poorly ventilated can create an explosive environment when certain combustible
materials (solvents, thinners, alcohol, fuels, certain finishes, wood dust, etc.) are in the atmosphere.
Floor sanding machines can cause flammable material and vapors to ignite. Read the manufacturer’s label
on all chemicals being used to determine combustibility. Keep the work area well ventilated.
• Hitting a nail while sanding can cause sparks and create an explosion or fire. Always use a hammer and
punch to countersink all nails before sanding floors.
Electrocution could occur if the machine is used on a power circuit that repeatedly trips or is undersized.
Have a licensed electrician check the fuse, breaker, or power supply.
Electrocution could occur if maintenance and repairs are performed on a unit that is not properly
disconnected from the power source. Disconnect the machine from all power.
Electrocution could occur if the machine is used on an ungrounded electrical circuit. Never remove or
disable the grounding supply conductor on the electrical cord.
Consult an electrician if the grounding conductor is missing or if you suspect your circuit is not grounded
properly.
Use of this machine with a damaged power cord or plug could result in an electric shock. DO NOT pull
or carry by cord, use power cord as a handle, close a door on cord, or pull cord around sharp edges or
corners.
DO NOT unplug by pulling on cord. To unplug, grasp the plug, not the power cord. DO NOT handle plug or
operate machine with wet hands. DO NOT put any objects into motor openings.
Electrocution or injury could occur if the power cord is run over and damaged by the sanding machines.
Keep the cord away from contact with the sanding heads. Always lift the cord over the machine and sand
away from the cord.
Moving parts on this machine can cause serious injury and or damage. Keep hands, feet, hair, and loose
clothing away from all moving parts of the unit.
Operating the machine without all guards, doors, or covers in place can cause an injury or damage.
DO NOT pass with the machine on objects that are hot, burning or smoking, such as cigarettes, matches or
cinders.

bona.com
Bona Scorpion DCS Manual
6
Airborne sanding dust should not be breathed in while operating a sanding machine. Always wear an
approved particulate respirator while operating sanding equipment.
Injury to the eyes and or body can occur if protective clothing and or equipment is not worn while sanding.
Always wear hearing protection, and a dust mask while sanding.
Exposure to high noise levels can cause hearing loss or impairment. Wear EN-ISO approved hearing
protection (earmus) when using this equipment.
Bodily injury could occur if power is supplied to the machine with the power switch already in the “ON”
position. Always check to assure the power switch is “OFF” before connecting the machine to its power
source.
DO NOT use this machine to sand steps or furniture. DO NOT ride on this machine.
Check filters. Clogged filters may lead to overheating and subsequent electrical problems which may lead to
machine failure or electrical shock.
DO NOT put any objects into openings. DO NOT use with blocked openings. Keep free from dust, lint, hair or
anything that may reduce airflow.
This equipment is for dry use only and must not be used or kept outside in wet conditions. Store the machine
in a dry building, otherwise the machine could be damaged. Storage temperature
from -20°C to 50°C.
Operator Safety (Cont.)
Storage
It is advisable to store the machine in its original packaging. Doing so makes it possible to form a column of two packages maximum, with one on
top of the other.
If the machine is removed from the original packaging and is not used for some time ensure the wheels and drum are not in contact
with the ground. In this case use two supports at least 50mm in height to rest the machine on, ensuring contact is with the
base frame.
Injury to the operator or bystanders could occur if the machine is plugged in while performing
maintenance, servicing, changing filter, or inspecting. Always unplug machine when not in use.
DO NOT use solvents or other flammable products to clean this machine.
Dry use only. DO NOT use for liquid recovery, which could result in motor failure, electric shock,
and electrocution.

7
Transporting and Handling
With one person
Request assistance to lift the machine due to its heavy weight.
The machine can be dismantled into several parts to facilitate transportation:
Handle Base frame with
drum and motor
Basket holder
(with handle if required)
Extraction unit
Transporting the machine by yourself? Proceed as follows:
1) Disconnect the extractor power supply cable from the electricity
supply.
2) Disconnect the motor cable on the head of the extraction unit from
the auxiliary socket on the base frame.

8bona.com
Bona Scorpion DCS Manual
With one person (cont.)
Transporting and Handling (Cont.)
5) Detach the basket holder from the handle.
3) Remove the flexible hose from the outlet on the extractor trunk (A) then lift the extractor from its housing (B).
4) Loosen the screw knob (A).
6) After releasing the knob (A) and moving the drum lifting lever forwards (B), lift the tube (C) and release the rod (D) from the coupling (E).

9
Transporting and Handling (Cont.)
With one person (cont.)
7) Loosen the wing knob (A).8) Remove the handle from its housing by moving it backwards slightly
(A) and then lifting it vertically (B).
9) Lift the base frame by clasping the drum guard pin at the front (A) and the transporting handle at the back (B).
With two people
Transporting the machine with two people? Repeat the preceding steps until step 8, then proceed as follows:
8) One operator should clasp the drum guard pin (A)... 9) The other operator should clasp the rear handle (B).

10bona.com
Introduction
Safe and correct use
This instruction manual should be read carefully before using the Bona Scorpion DCS wood flooring sander for the first
time.
The instruction manual contains important information on safety and preventing improper use of the machine and will resolve any doubts
or questions, making it possible to operate the machine safely and with ease. Removing safety features could cause death or physical injury.
Familiarize yourself with the machine before using it for the first time.
If a situation arises which has not been described in this manual, contact your distributor or Bona Representative.
Transporting and Handling (Cont.)
With two people (cont.)
If the machine is to be transported fully assembled by two people, then proceed as follows:
1) One operator should clasp the drum guard pin (A)... 2) The second operator should clasp the vertical handle shafts with two
hands.
This equipment is not to be used by anyone (children included) with physical or mental disabilities, or
anyone without the relevant experience and knowledge, unless they have received instructions on using
the equipment and are supervised by a responsible person to ensure their safety.
Children must be supervised to ensure that they DO NOT play with the machine.
Bona Scorpion DCS Manual

11
Introduction (Cont.)
Safe and correct use (cont.)
Machine data plate
The Bona Scorpion DCS wood flooring sander is suitable for the dry sanding of wood floors. Any other use without the consent of the manufacturer
is prohibited. DO NOT use on wet floors.
See ‘Machine Warnings’ on page 19.
Keep hands and clothing away from moving mechanical parts.
The work area is protected via the base frame and the mobile cover on the abrasive drum.
1) Machine model
2) Safety symbols
3) Motor power
4) Frequency
5) Supply voltage
6) Country of manufacture
7)Year of manufacture (see 9)
8) Name of the manufacturer
The following information can be found on the machine data plate:
9) Serial number:
• The first two numbers refer to the year of manufacture (14 = 2014)
• The second group of three numbers indicates the day of the year the machine was manufactured (127 = May 7th)
• The last two numbers indicate the progressive number of machines produced that day of manufacture
(13 = 13th machine produced that day)

12bona.com
Bona Scorpion DCS Manual
4) Insert the basket holder in its housing on the handle and secure it with the screw knob (A).
Instructions for assembly following transportation
Commencing Operation
To re-assemble the machine after transportation, proceed as follows:
1) Insert the handle into the side guides in sequence (A), (B).2) Tighten the wing knob (A).
3) Insert the rod (A) into the coupling (B) and lower the tube (C), tightening everything securely.

13
Commencing Operation (Cont.)
Instructions for assembly following transportation (cont.)
Using the machine when not fully assembled may cause injury or damage to people or objects. DO NOT
use the machine when it is not fully assembled. Keep all fittings tightly closed. Maintain machine settings in
accordance with the specifications.
5) Insert the extractor into the basket holder (A), (B).
7)Raise the drum with the drum lifting lever (A), securing it into
its housing.
6) Connect the motor plug to the socket on the head of the extractor.
Connect the handle/motor interconnection cable to the socket on
the side of the motor box.

14bona.com
Bona Scorpion DCS Manual
This machine only operates with the voltage and frequency shown on the machine data plate. Before
connecting the cable to the power supply ensure the correct voltage and frequency
are available.
DO NOT expose the machine to rain. This machine is intended for dry use only.
Keep the machine in a dry building and DO NOT use it in damp or wet places.
If the machine is not connected correctly to the electricity network, death due to electrocution may
occur. To prevent electric shocks always use a grounded three wire electrical system. For maximum
protection against electric shocks use a circuit protected with a dierential cut-out switch.
Tampering with the grounding plug in any way may result in death from electrocution. DO NOT cut,
remove or break the grounding plug. If the socket does not match the plug consult a
qualified electrician.
Do not use the machine if the switch does not open and close.
Instructions for electrical connection
If the machine is used with a damaged plug or power supply cable, death may occur from electrocution.
If cables or plugs are worn or damaged in any way, have them replaced by the manufacturer or certified
machine repair center in order to prevent risks to safety.
Commencing Operation (Cont.)
Cables, extensions and plugs
Using the machine with unsuitable cable cross-sections and/or excessively long cables may cause injury or
damage to people or objects.
The machine must never be moved using its cable and the cable must never be pulled when disconnecting
from the socket.
Keep the cable away from sources of heat, oil and sharp edges.
Only use approved cables. The maximum recommended cable length is 10m; for greater lengths use cables with a larger
cross-section.
MACHINE WITH 230V~50Hz MOTOR
For machines with a 230-240V~50Hz motor (EU), a HO5VV-F 3x1.5mm2HAR-approved power supply cable must be used along with an approved
SCHUKO 2P+E 16A 200÷250V plug.

15
Prevention Measures for Users
Personal safety measures
Sawdust can spread through the air and be inhaled when using the sander. Always wear a dust mask when
using the sanding equipment.
The eyes and/or body may suer injury if personal safety clothing is not used. Always wear safety goggles,
protective clothing and a dust mask during sanding operations.
Lengthy exposure to noise levels during sanding operations may damage the hearing. Always use ear
protectors during sanding operations.
Never become distracted during sanding operations, check what is happening continually. Use common
sense. DO NOT use the machine when tired.
Removing sawdust generated during use
Sawdust can ignite spontaneously and cause injury or damage. Replace the dust bag when it is 1/3
full into metal containers which are located outside the building. DO NOT re-use the dust bag: use a new
replacement each time. Never leave the dust bag unattended when it contains sawdust.
Commencing Operation (Cont.)

16bona.com
Bona Scorpion DCS Manual
Prevention Measures for Users (Cont.)
Compliance with safety measures and warnings
Using the machine when not fully assembled may cause injury or damage to people or objects. DO NOT
use the machine when it is not fully assembled. Keep all fittings tightly closed. Maintain machine settings in
accordance with the specifications. Using the sander without the safety guards and covers in position may
cause injury or damage. Always ensure that all safety guards and covers are in position and secured well.
The sanding machine may create an explosive environment. Cigarettes, cigars, pipes, lighters, pilot flames,
or any other source of fire may create an explosion if lit during sanding operations. No sources of fire
should be kept near the work area.
Poorly ventilated work areas may create an explosive environment when some combustible materials
are present in the atmosphere, such as solvents, thinners, alcohol, fuel, some paints, wood dust or
other combustible materials. Floor sanding may cause various materials and fumes to ignite. Read the
manufacturer’s instructions for each chemical product used and establish its combustibility. Always keep
the work area well-ventilated.
Striking nails when sanding may generate an explosion or fire. Always ensure all nails are sunk before
sanding surfaces.
Serious damage may occur if the power supply circuit trips repeatedly or is undersized. Have the fuses,
safety circuit and power supply line checked by an authorized electrician. Performing maintenance and/
or repairing the machine when it is not fully disconnected from the power supply may cause death due to
electrocution. Disconnect the power supply before carrying out any maintenance and/or repair work.
The use of this machine on a circuit which is not grounded may cause death due to electrocution. Never
disconnect or disable the grounding conductor. Consult an electrician if the ground conductor is missing or
it is suspected that the circuit is not suitably grounded.
The use of this machine with a damaged power supply cable may cause electric shock. Check the
power supply cable regularly for damage such as splitting or wear and tear. DO NOT use
the machine if the power supply cable is damaged. DO NOT use the electric cable to move
the machine.
Injury or damage may occur if the machine runs over the power supply cable and it becomes damaged.
Keep the cable away from the lower part of the machine to avoid contact with the abrasive. Always keep
the power supply cable raised above the machine.
The moving parts on this machine may cause serious injury and/or damage. Keep hands, feet and loose
clothing away from all moving parts of the machine.
Performing maintenance or replacing the dust bag may cause injury to the operator or people nearby if the
machine is connected to the power supply.

17
Instructions on Correct Machine Use
Prevention Measures for Users (Cont.)
Compliance with safety measures and warnings (cont.)
Failure to comply with instructions on this machine and in this manual may cause serious injury and/
or damage. Read and comply with all safety instructions. Ensure that all plates, labels, warnings and
instructions are secured to the machine. New plates can be obtained from an authorized Bona dealer.
Injury or damage may occur if maintenance operations or repairs are carried out by any unauthorized
personnel.
The machine may become damaged if it is not kept in a dry building. Keep in a dry building.
Read this manual carefully and become familiar with the machine.
The equipment is suitable for industrial use (e.g. in hotels, schools, hospitals, oices, factories and shops).
The following information highlights particularly hazardous situations for the operator and/or machine. Understand when these conditions may be
present. Removing safety features could cause death or physical injury. Take all steps necessary to instruct personnel who may use the machine.
Report any damage on the machine or incorrect operation immediately.
1) Keep hands and clothes away from rotating parts.
2) Keep hands on the handle when the motor is operating.
3) DO NOT leave the machine unattended when the motor is operating.
4) Always use the machine with the dust bag in the correct position.
5) DO NOT detach the dust bag when the motor is operating.
6) Always disconnect the power supply cable from the machine before performing maintenance.
7) Transport the machine with care due to the heavy weight of the individual parts making up the machine.
8) Always use the machine in well-ventilated areas.
9) Always keep the work area well-lit.
10) Always dispose of the sawdust appropriately.
11) Use the type and amount of abrasive specified in the instruction manual.
12) The use of accessories other than those recommended in this manual may cause injury.
13) The machine is for indoor use only.

18bona.com
Bona Scorpion DCS Manual
Machine Specifications
Abrasive Dimensions:
(Per Drum)
Drum Width:
Drum Diameter:
Drum Speed:
Motor:
Suction Unit:
Drum Control:
Starting Control:
Safety Protection:
Wheels Adjustment:
Wheels:
Bearings:
Drum Pressure Adjustment:
Noise Level:
(IEC 60704-1 [continuous
weighted sound pressure level A,
measured at a distance of 0.4m
from the handle and a height of
1.5m from the ground])
Vibration:
(ISO 5349 [weighted value of
the mean square derivation of
acceleration])
Machine Dimensions:
(assembled)
Net Weight:
Gross Weight:
Gross Packaging Dimensions:
Standard Equipment:
Expansion (belt): 200mm x 480mm
Expansion: 200mm
Expansion: 150.5mm
Expansion: 3000rpm
(A52) EU − 230V~50Hz − 1.3 kW
230V~50Hz − 1.2 kW
Q = 170m3/h
Hand grip lever
Hand grip lever
Via "operator presence" start lever: motor stops when lever is released
Via base frame screw
Ø 80mm replaceable
Lifetime lubricated ball bearings
2 positions
80dB(A) max
≤ 1.45m/s2
320mm x 870mm x 950mm
47kg
Cardboard packaging: 56kg
1 cardboard item
400mm x 800mm x 1150mm
10 paper bags (2 packets P/N 4500030050)
Vacuum kit
Start-up keys
User and maintenance manual

19
Machine Warnings
This equipment is not suitable for collecting hazardous dust.
Using the machine to move objects or moving on an incline may cause injury or damage. The machine
must only be used to sand dry wooden floors which are level or have a maximum incline of 2%. DO NOT
use the machine to sand furniture. DO NOT sit astride the machine when it is operating.
Work surfaces may be seriously damaged if the machine is left turning on one point while the tool is
in contact with the surface. To avoid damaging the surface, approach the cutting line carefully. DO NOT
stop when lowering and raising the equipment, keep moving at constant speed.
1) Become familiar with the machine and read all instructions & safety
notices. Ensure that all operators read this manual.
2) Remove the extractor head (A) and the filter (B) from the body of the
extractor.
To start the machine proceed as follows:
Starting the Machine
Sander operation
Prohibited use
Children should be supervised to ensure that they do not play with the appliance. This machine is not
intended for use by persons (including children) with reduced physical, sensory or mental capabil-
ities, or lack of experience and knowledge unless they have received instructions regarding the use
and are supervised by a person responsible for their safety.

20bona.com
Bona Scorpion DCS Manual
Starting the Machine (Cont.)
5) Locate the power supply. The socket must be compatible with the
plug. To avoid electrical hazards the socket must be grounded with
a 20 A fuse.
3) Arrange the paper bag in the container as shown below.
7) Turn the belt guard upwards (A).
9) Ensure the lever is engaged (A) and the drum is raised from
the floor.
6) Keep the cable away from the pathway of the machine.
4) Replace the head, securing it to the trunk with the
clamping hooks.
8) Fit the abrasive (A) to the drum (B) according to the 'Abrasive
Assembly Procedures' on pg. 25.
10) Close the abrasive safety guard (A).
Sander operation (cont.)