SCANMASKIN Scan Combiflex 500 User manual

SCANMASKIN
Scan Combiflex 500
Users Guide
http://www.scanmaskin.com

SCANMASKIN
SWEDEN AB
MACHINES-MINERALS-KNOW-HOW
Scan Combiflex 500 –User Guide
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Dear Customer!
Thank you for choosing Scanmaskin as your supplier.
We wish you all the best with your new Scan Combiflex™ 500 and hope that
it lives up to your expectations.
Scanmaskin Sverige AB
Claes-Göran Bergstrand
Managing Director
Address:
Scanmaskin Sweden AB
Box 187
SE-437 22 Lindome / Gothenburg
Sweden
Telephone: [phone]
Fax: [phone]
www.scanmaskin.com

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Important Information!
This User Guide only concerns the floor grinding machines “Scan Combiflex
500i” and “Scan Combiflex 500PD” hereby referred to as “SC-500”. SC-500
may only be used for grinding horizontal surfaces approved by Scanmaskin
Sweden AB.
If SC-500 is used for other purposes or handled in ways other than that
described in this User Guide, Scanmaskin Sweden AB disclaims all
responsibility.
Especially note the section “2Safety Regulations”. Read the User Guide
before using the floor grinding machine SC-500. The spare parts,
grinding discs used on SC-500 must be approved by Scanmaskin
Sweden AB.

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Table of Contents
1Specifications...................................................................................................................................... 1
1.1 Electrical specifications ............................................................................................................... 1
1.2 Mechanical specifications............................................................................................................ 2
1.3 Options......................................................................................................................................... 2
1.3.1 Water connection.................................................................................................................. 2
1.3.2 Built in water tank................................................................................................................. 3
1.4 Tools............................................................................................................................................. 3
1.5 Range of application .................................................................................................................... 4
1.6 Scope of supply............................................................................................................................ 4
1.7 Overview...................................................................................................................................... 5
2Safety Regulations.............................................................................................................................. 7
2.1 Legend.......................................................................................................................................... 7
2.2 Safety precautions........................................................................................................................ 7
2.3 Organizational measures.............................................................................................................. 8
2.4 Personnel selection and qualification........................................................................................... 9
2.5 Safety regarding operation of machine ........................................................................................ 9
2.6 Electrical safety.......................................................................................................................... 10
2.6.1 Cables.................................................................................................................................. 11
2.6.2 Using a generator................................................................................................................ 11
2.7 Definition of the “Safety off position”....................................................................................... 11
2.8 Safety regarding maintenance.................................................................................................... 12
2.9 Safety regarding transport.......................................................................................................... 12
2.9.1 Manual transport................................................................................................................. 12
2.9.2 Lifting ................................................................................................................................. 13
2.9.3 Inside vehicles..................................................................................................................... 13
3Transport........................................................................................................................................... 14
3.1 Precautions................................................................................................................................. 14
3.2 Manual transport ........................................................................................................................ 14
3.3 Lifting......................................................................................................................................... 14
3.4 Inside vehicles............................................................................................................................ 14
4Operation .......................................................................................................................................... 15
4.1 Precautions................................................................................................................................. 15
4.2 Operation of machine................................................................................................................. 15
4.3 Control panel.............................................................................................................................. 16
4.4 Water flow.................................................................................................................................. 16
4.4.1 Water connection................................................................................................................ 16
4.4.2 Water tank........................................................................................................................... 17
4.5 Start up ....................................................................................................................................... 17
4.6 Emergency stop / Reset.............................................................................................................. 17
4.7 Stop ............................................................................................................................................ 18
4.8 Grinding speed ........................................................................................................................... 18
4.9 Rotation direction....................................................................................................................... 18
4.10 Safety off position .................................................................................................................. 18
4.11 Grinding.................................................................................................................................. 18
4.12 Changing tools........................................................................................................................ 18
4.13 Using with generator .............................................................................................................. 19
5Maintenance...................................................................................................................................... 20
5.1 Precautions................................................................................................................................. 20

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5.2 Daily inspection prior to operation ............................................................................................ 20
5.3 Maintenance and inspection list................................................................................................. 21
5.4 Grinding disc replacement / assembly ....................................................................................... 21
5.5 Cleaning the machine................................................................................................................. 21
5.6 Trouble shooting ........................................................................................................................ 22
5.6.1 Common faults.................................................................................................................... 22
5.6.2 Error codes.......................................................................................................................... 22
6Spare parts......................................................................................................................................... 24
6.1 Drawings .................................................................................................................................... 24
6.1.1 Gear barrel overview .......................................................................................................... 26
6.1.2 Electrical schematics........................................................................................................... 31
7Warranty ........................................................................................................................................... 32
8EU Declaration ................................................................................................................................. 33
9Grinding information........................................................................................................................ 34
9.1 Grinding guide ........................................................................................................................... 34
9.2 Removal guide ........................................................................................................................... 35
9.3 Glossy concrete floors................................................................................................................ 36
9.4 Natural stone and terrazzo wet grinding .................................................................................... 37
10 Alphabetical reference...................................................................................................................... 38
11 Contact information.......................................................................................................................... 40

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1 Specifications
The SC-500 is available with different power inputs, two modes of mechanical operation and some
options regarding wet grinding. This is described in the different sections later on in this chapter.
1.1 Electrical specifications
To find the specifications that apply to your machine, check the information plate on the electrical
cabinet door.
Never connect the SC-500 to any other voltage or number of phases than described in this
specification.
The power source must be fused according to “External fuse” in this specification; also the
cables used must be marked and rated in accordance with the fuse used. Failure to comply
with the correct fuses may cause fire or injuries.
Power choice1
400 V 3~2
230 V 3~
230 V 1~
Power
4 kW (5 hp)
4 kW (5 hp)
4 kW (5 hp)
Current
8.8 A
17.6 A
30 A
Voltage
380 –400 V 3~
200 –240 V 3~
200 –240 V 1~
Frequency
50/60 Hz ± 5%
50/60 Hz ± 5%
50/60 Hz ± 5%
External fuse3
16 A
25 A
30 A
Power inlet4
415 V 3P+N+PE
250 V 3P+PE
250 V 2P+PE
Table 1-1 Electrical specifications
All models are CE-marked.
If using a generator see “2.6.2 Using a generator”
1
This refers to different power choices. Note that a SC-500 made for one choice of power must be used with the particular
choice.
2
Standard
3
Maximum current for the fuses used in the power source (i.e. the distribution box).
4
This is the standard inlet used. Machines sold outside of EU will be shipped either with a local standard inlet or an adapter.

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1.2 Mechanical specifications
Model
500i
500PD
Grinding diameter
500 mm 19.7”
Grinding plate diameter
200 mm 7.9”
Grinding plate speed
300 –1100 RPM
Mass
160 kg (352 lbs)
Gear barrel
Synchronized
Table 1-2 Mechanical specifications
Measurements of SC-500
Width 530 mm 20.9”
Height 1100 mm 43.3”
Depth 1150 mm 45.3”
Measurements of shipping box
Width 610 mm 24”
Height 1410 mm 55.5”
Depth 820 mm 32.3”
Ambient temperature range during operation -10°C to 50°C 14°F to 122°F
Ambient temperature range during storage -40°C to 70°C -40°F to 158°F
When using water the ambient temperature must never fall below 0°C (32°F).
The water tank should be empty during storage.
1.3 Options
The SC-500 has got two options for water supply. The standard SC-500 does not come with either
of these two options.
1.3.1 Water connection
Inside the cover of the gear barrel there is a sprinkle system connected to an external water
connection. The water connection comes with its counterpart and fits a standard ½ inch hose. At
the connection that is fitted near the handle there is a tap to adjust the flow.

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1.3.2 Built in water tank
The cover of the gear barrel is configured in the same manner as with the previous option but
instead of an external water connection the machine features a 18 l built in water tank
The flow of the water is controlled by a knob on the right hand side of the machine.
The operation of the knob is described in “4.4 Water flow”.
Figure 1-1 Standard SC-500PD
Figure 1-2 SC-500PD with water tank
1.4 Tools
The machine must be equipped with tools approved by Scanmaskin Sweden AB before
operation.
See “9Grinding ” for information about available tools and “4.12 Changing tools” for
information about how to change the tools.
The tools are fitted using the Snap-On system for easy fitting
Available tools
SC-Tiger PCD
Diamond tools
Sand paper
Figure 1-3 Snap-On plate with tools fitted.

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1.5 Range of application
SC-500 is exclusively designed to process horizontal surfaces. SC-500 must not be used for
other purposes than stated in this user guide. The manufacturer will not be liable for
damage or injury resulting from incorrect usage of SC-500. Failure to follow the
directions in this user guide will void the warranty.
Typical applications
Removal of old coatings, carpets, putty from hard surfaces
Removal of undulated concrete surfaces
Preparation of the surface for coatings
Polishing of the surface
Removal of coating defects
Removal of glue residues
1.6 Scope of supply
The following parts are included with the standard SC-500 grinding machine:
Key to electrical cabinet
Socket key for adjusting the handle
User guide
If the machine has got a water connection, the counter part for the connection will be included and
fit in the water connection near the handle.
Machines sold outside of Europe will be either equipped with a local standard connector for the
power inlet or the mating connector will be included and fitted at the main power inlet.
Read “2.6 Electrical safety” before connecting any included connectors.

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1.7 Overview
2
1
4
5
6
8
9
7
10
11
12
13
14
15
3
Figure 1-4 Overview of SC-500 without water tank
2
1
4
5
6
8
9
7
10
11
12
13
14
16
18
17
Figure 1-5 Overview of SC-500PD with built in water tank.

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Item
Description
Reference
1
Control panel
4.3 Control panel
2
Handle
3
Water inlet
4.4.1 Water connection
4
Electrical cabinet
5
Power inlet
1.1 Electrical specifications
6
Dust collector connection
7
Frame
8
Dust hoses
9
Wheels
10
Gear barrel
4.12 Changing tools
11
Dust cover
12
Cover
13
Lift handle
3.3 Lifting
14
Motor
15
Cover
16
Cover
17
Water tank
4.4.2 Water tank
Table 1-3 Machine parts overview

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2 Safety Regulations
Read this entire chapter carefully! Failure to comply with safety regulations may result in
serious injuries or damages.
2.1 Legend
Notation regarding safety
Notation regarding electrical safety
Notation regarding safety during transport
Tipping hazard
See reference
2.2 Safety precautions
Any machine, if it is not used according the regulations, may be hazardous for operating,
setting-up and service personnel. The operating authority is responsible for compliance with
the safety regulations during operation and maintenance, and for the use of safety devices
supplied with the machine, as well as the provision of appropriate additional safety devices!
Eye and ear protection must be worn at all times.
Never operate the machine when it’s not in its upright position.
Make sure there is no debris in the work area.
Check the work area for screws or other hard objects in the concrete. Don’t use the machine
if there are any foreign objects stuck into the surface. Such objects must be removed prior to
operation of machine.
Read “2.3 Organizational measures” and “2.5 Safety regarding operation of machine”
thoroughly before operation!

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2.3 Organizational measures
The user guide is to be kept near the location where the machine is being operated and must
be within reach at all times.
In addition to this user guide general and legal regulations regarding accident prevention and
environmental protection must be complied with as per local regulations.
Such duties may, for example, relate to the handling of hazardous substances, or to the
provision and wearing of personal protection equipment, as well as compliance with traffic
regulations.
The user guide must be supplemented by other instructions, including the duty to supervise
and report incidents relating to particular working practices, for example work organization,
work procedures and personnel safety.
Personnel entrusted with working with the machine must read the User Guide before starting
work, in particular the “2Safety Regulations” chapter. To read these instructions after work
is commenced is too late. This particularly applies to incidental activities such as setting up
the equipment, carrying out maintenance work or training staff to work with the machine.
From time to time the working practices of the operators are to be checked by a supervisor
especially to the items regarding awareness of safety and hazards.
Operators must tie back long hair, and not wear loose clothing or jewelery including rings.
There is a risk of injury through items getting caught, or being drawn into moving
machinery.
Eye and ear protection must be worn at all times!
Use personnel protection equipment if necessary or required by local regulations! Take
notice of all safety and hazard notices on the machine!
All safety and hazard notices at or on the machine must be kept complete and legible!
If safety-critical changes occur to the machine or its working method, the machine must be
shut down immediately! The cause of the fault must be established, and rectified.
Changes, add-ons or conversation to the machine, which might impair safety, must not be
made, without the manufacturer’s permission!
This applies in particular to the fitting and adjustment of safety devices.
Spare parts must comply with the technical requirements specified by the manufacturer. This
is always guaranteed if original spare parts are used.
Intervals for recurring checks and inspections specified in this User Guide must be complied
with!

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To perform maintenance work correctly it is imperative
to be equipped with the proper tools for the task in question.
Repairs may only be made by Scanmaskin Sweden AB certified service technicians.
Some grinding work may generate sparks under certain circumstances. Personnel working
with the machine must therefore be aware of the risk of fire and how to handle a fire
situation properly.
Do not use the machine in areas with highly flammable and/or explosive materials.
2.4 Personnel selection and qualification
Fundamental duties:
Work on the machine may only be undertaken by trained personnel.
Specify clearly the responsibilities of personnel for operation, setting up, servicing and
maintenance work!
Make sure that only authorized personnel operate or work on the machine!
Define responsibilities of the machine operator, with regard to traffic safety regulations, and
inform him not to take instructions from third parties who may not be complying with the local
safety requirements.
Personnel, who are being trained to operate equipment, may only use the machine under
constant supervision of an experienced person!
Work on electrical equipment may only be undertaken by a skilled electrician or by trained
persons under the supervision of a skilled electrician, as well as in accordance with the local
electrical engineering regulations.
2.5 Safety regarding operation of machine
Do not allow any method of working that impairs safety!
Recognized official procedures have to be used to ensure the machine is operated in safe
and best conditions.
Only operate the machine when all safety devices and related safety equipment are present
and operational!
Check the machine visually for any damage and defects at least once a day.
In the event of operational malfunctions the machine must be shut down immediately and
secured!

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Secure the work area around the machine in public areas
providing a safety distance of at least 10 meters (3.3 ft) from the machine.
Faults must be immediately rectified.
Carry out the switch on, and switch off operations in accordance with this user guide.
Before switching on the machine make sure that no-one can be endangered when the
machine starts up.
Never operate the machine when not in its upright position.
Do not switch off or remove the exhaust and or the ventilation devices whilst the machine is
running!
All persons in the proximity of the machine must wear ear and eye protection as well as
safety shoes. In addition the machine operator must wear close-fitting protective clothing.
Only use extension cables that are sized and marked in accordance with the overall power
consumption of the machine and the valid VDE guidelines.
See “2.6 Electrical safety” for further information.
Make sure there is no debris in the work area.
Check the work area for screws or other hard objects in the concrete. Don’t use the machine
if there are any foreign objects stuck into the surface. Such objects must be removed prior to
operation of machine
2.6 Electrical safety
The power source must be equipped fuses according to the table in “1.1 Electrical
specifications”. All cables used must be marked and rated according to the fuses used.
Never connect the machine to a power source that does not provide protective earth!
Work on electrical equipment may only be undertaken by a skilled electrician or by trained
persons under the supervision of a skilled electrician as well as in accordance with the local
electrical engineering regulations.
Use only extension cables, that are used for extending the main cable, that are sized and
marked in accordance with the overall power consumption of the machine and the valid
VDE guidelines.
The electrical equipment for the plant must be inspected regularly. Defects such as loose
connections or scorched cables must be rectified immediately. Call as skilled electrician or
out customer services.
A second person must be in attendance whilst the electrical engineer is working on the
equipment.

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The work area must be secured against any third party
entering the work area. Follow local electrical engineering regulations while working on the
machine. Never leave a machine unattended. Use only tools that are insulated against
electricity.
Only start work after you are familiar with the electrical engineering regulations that apply
to the local area.
Only use voltage seekers that comply with the regulations when troubleshooting. From time
to time check voltage seekers to ensure that they are operationally efficient.
2.6.1 Cables
Only use cables that are marked and rated according to the specifications in “1.1 Electrical
specifications”. Don’t use excessive length of the cables. If a very long cable is needed
we recommend that you use a cable rated for more current and connect it to a distribution
central near the machine. Never lay the cable in a loop when operating the machine, this will
cause the cable to heat up and may cause fire. See “Figure 2-1” for explanation.
Figure 2-1 Recommended way to handle excessive cable length.
2.6.2 Using a generator
The generator must be equipped with protective earth and operated in accordance with the
current EN-VDE directives (this applies to the protective earth conductor in particular) in
order to ensure that all safety devices are functioning and eliminate possible damage to
electrical components.
2.7 Definition of the “Safety off position”
The machine is in a safe condition where it cannot be any hazard.
How to set the machine in the Safety off position:
1. Switch off the machine
2. If a dust collector is used, switch it off
3. Wait for all drives to come to a complete stop
4. Disconnect the main power
5. Secure against unintended restart
Always disconnect the main power at the machine end to be able to prevent other persons
from accidentally reconnect the main power while working on the machine.

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2.8 Safety regarding maintenance
Set the machine into the Safety off position before beginning any work on the machine.
See “2.7 Definition of the “Safety off position””.
Never work on the machine while power is still connected!
All parts must have come to a complete stop before beginning any work!
When the machine is lying down on its back it might tilt to it’s upwards position. Take extra
care to prevent this from happening to ensure that no injuries or damages occur.
When the machine has been operated the segments, Snap-On plates and other parts on the
gear barrel may be hot. Take extra care to prevent burn injuries.
Adjustment, servicing and inspection work on the period of time limits, specified in this User
Guide as well as any information on the replacement or parts and equipment must be undertaken
and/or complied with!
These activities may only be undertaken by qualified personnel.
The machine must not be connected to any power source while cleaning.
See “Fel! Hittar inte referenskälla. Fel! Hittar inte referenskälla.” for further
formation.
2.9 Safety regarding transport
Always remove the tools before transport. The tools may fall of or damage the surface the
machine is transported along.
2.9.1 Manual transport
When transporting the machine manually be observant about ramps and/or edges.
Follow local traffic regulations for the work site to prevent accidents. Failure to comply with
these regulations may cause injuries or damages.

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2.9.2 Lifting
The machine must be secured according to local safety regulations before lifted.
No person is allowed beneath a lifted machine! The machine must be lifted according to the
instructions in “Fel! Hittar inte referenskälla. Fel! Hittar inte referenskälla.”. Observe
the machines point of balance before lifting! Failure to comply with these regulations may cause
injuries or damages. Only use straps approved for the weight and circumstances!
2.9.3 Inside vehicles
Secure the machine according to local transport safety regulations before transporting the
machine inside a vehicle.

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3 Transport
3.1 Precautions
Read “2.9 Safety regarding transport” before attempting to transport the machine.
If the machine is being transported lying down, make sure that there is no water in the tank.
This applies to SC500PD with built in water tank.
3.2 Manual transport
Detach the tools according to the instructions in “4.12 Changing tools”.
Push the handle downwards to lift the gear barrel about 10 cm (4”) from the ground.
Push the machine in desired direction.
3.3 Lifting
Before attempting to lift the machine, read “2.9.2 Lifting”
Detach the tools according to the instructions in “4.12 Changing tools”.
Fasten the straps used for lifting at the two handles as shown in “Figure 3-1”.
Lift the machine.
Figure 3-1 Lifting points
3.4 Inside vehicles
Detach the tools according to the instruction in “4.12 Changing tools”.
Secure the machine inside the vehicle.
Secure the machine according to local transport safety regulations before transporting the
machine inside a vehicle. Failure to secure the machine may cause injuries or damages.

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4 Operation
4.1 Precautions
Any machine, if it is not used according the regulations, may be hazardous for operating,
setting-up and service personnel. The operating authority is responsible for compliance with
the safety regulations during operation and maintenance, and for the use of safety devices
supplied with the machine, as well as the provision of appropriate additional safety devices!
Never operate the machine without proper tools.
Eye and ear protection must be worn at all times.
Never operate the machine when its not in its upright position.
Make sure there is no debris in the work area.
Check the work area for screws or other hard objects in the concrete. Don’t use the machine
if there are any foreign objects stuck into the surface. Such objects must be removed prior to
operation of machine.
Read “2Safety Regulations” before operating the machine.
4.2 Operation of machine
The gear barrel has got three grinding heads that rotates in the opposite direction of the gear barrel.
Each grinding head is equipped with a snap-on plate where each plate hold the tools used. See
“Figure 4-1”.
Figure 4-1 Illustrates the rotation of the grinding heads versus the gear barrel.