Norton Clipper CT 901 ME User manual

CT 901 ME
OPERATING INSTRUCTIONS

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The undersigned manufacturer:
SAINT - GOBAIN ABRASIVES S.A.
190, BD J.F. KENNEDY
L- 4930 BASCHARAGE
Declares that this product:
Power Float : CT 901 ME Code: 70184629951
is in conformity with the following Directives:
•European Machinery Directive 2006/42/EC
•“LOW VOLTAGE" 2006/95/EC
•Electromagnetic Compatibility Directive 2004/108/EC
Pierre Mersch
Business Manager Machines Europe
Declaration of conformity

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CT901ME
OPERATING INSTRUCTIONS AND SPARE PARTS LIST
1 Basic Safety Instructions 6
1.1 Symbols 6
1.2 Machine plate 6
1.3 Safety instructions for particular operating phases 7
2 Machine description 7
2.1 Short description 7
2.2 Purpose of use 7
2.3 Layout 8
2.4 Technical Data 9
3 Assembly and commissioning 9
3.1 Tool assembly 9
3.2 Electrical connections 9
3.3 Starting the machine 9
4 Transport and storing 10
4.1 Securing for transport 10
4.2 Transport procedure 10
4.3 Long period of inactivity 10
5 Operating the machine 10
5.1 Site of work 10
5.2 Preparing the site 11
5.3 Floating and finishing operation 11
6 Maintenance and servicing 12
7 Faults: causes and cures 13
7.1 Fault-finding procedures 13
7.2 Trouble-shooting guide 13
7.3 Circuit diagram 13
7.4 Customer service 14

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1 Basic Safety Instructions
The CT901ME is exclusively designed for the finishing of wet concrete floors mainly on construction
sites.
Uses other than the manufacturer's instructions shall be considered as contravening the
regulations. The manufacturer shall not be held responsible for any resulting damage. Any risk shall
be borne entirely by the user. Observing the operating instructions and compliance with inspection
and servicing requirements shall also be considered as included under use in accordance with the
regulations.
1.1 Symbols
Important warnings and pieces of advice are indicated on the machine using symbols. The following
symbols are used on the machine:
Read operator’s instructions Ear protection and safety goggles must be
worn
Turn the knob in the indicated direction to
tilt (UP) or flatten (DOWN) the blades. To prevent severe injuries, keep the feet and fingers away from the rotating tool
1.2 Machine plate
Important data can be found on the following plate located on the machine:
Machine Model Machine Code Weight Year of production
Maximum tool diameter
Machine type
Serial number
Power Safety standard Tool rotation speed
Do not apply
for CT901ME

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1.3 Safety instructions for particular operating phases
Before commencing work
•Read the present operator’s instructions booklet carefully.
•Before commencing work, make yourself familiar with the working environment at the place of
use. The working environment includes: obstacles in the area of work and manoeuvre, the
firmness of the floor, necessary protection at the site relating to public thoroughfares and the
availability of help in the event of accidents.
•Check for correct mounting of the tool regularly.
•Immediately remove damaged or badly worn tools, as they endanger the operator whilst
rotating.
•Always use the machine with the safety guard ring, protection guards and electric box cover in
position.
•Only fit NORTON blades or plates to the machine! The use of other tools can damage the
machine!
•Attention is drawn to the use of BS2092 safety goggles in conformity with specified Processes
No.8 of the Protection of Eyes Regulation 1974, Regulation 2(2) Part 1.
Electrical powered machine
•Always turn off the machine and separate it from the main source of electricity before any work
on the machine is done.
•Make all electrical connections securely to eliminate contact of live wires with spray water or
dampness.
•It is IMPERATIVE that you earth the machine properly. Let a qualified electrician check in case
of doubt.
•In case of emergency, you can stop the machine by releasing the dead-man handle.
•In the event of the machine breaking down or stopping for no apparent reason, switch off the
main electricity supply. Only a qualified electrician is allowed to investigate the trouble and
remedy the fault.
2 Machine description
Any modification, which could lead to a change in the original characteristics of the machine, may
be done only by Saint-Gobain Abrasives who shall confirm that the machine is still in conformity
with the safety regulations.
2.1 Short description
The Mechanical Trowel CT901ME is designed for durability and high performance for onsite
finishing operations on wet concrete floors.
As with all other NORTON products, the operator will immediately appreciate the attention given to
detail and quality of materials used in construction. The machine and its component parts are
assembled to high standards assuring long life and minimum maintenance.
2.2 Purpose of use
The Clipper Mechanical Trowel CT901ME is designed for onsite finishing operations on wet
concrete floors. It is not designed for any other purpose.

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2.3 Layout
Handle (1)
Jig welded steel construction including 2 rubber grips. A dead-man handle (7) allows the operator to
work safely and to stop the machine at any moment. The angle of the machine arm can be adjusted
to operate the machine comfortably. A tube (8) is located under the handle; this will help you
transport the machine per hand.
Pitch of the blades (2)
The pitch of the blades is controlled over a knob on the handle.
Belt drive and belt cover (3)
A centrifugal clutch inside the motor pulley drives the gear shaft through V-Belts. It allows to
gradually engage the tool rotation. The drive assembly is enclosed in a metal guard.
Safety guard ring (4)
A safety guard ring protects the operator from the rotation of the tool while offering an optimum
view of the working progress. This ring can rotate, in order to ease the finishing of floor up to walls.
Electrical Motor (5)
Electrical motor with 2,2kW.
Lifting eye (6)
To lift the machine easily and safely, a lifting eye is located over the motor. This allows a balanced
lifting of the machine.

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2.4 Technical Data
Electric motor 2,2kW 400V 3~
Electric motor protection IP55
Max. tool diameter 900 mm
Rotation speed of the tool shaft 130 min
-1
/ 65 min
-1
Sound pressure level 79 dB (A) (ISO EN 11201)
Sound energy level 91 dB (A) (ISO EN 3744)
Type of tool Blade or plate
Machine dimensions (LxWxH) 1980x950x1060mm
Weight (with tool assembled) 81 kg
3 Assembly and commissioning
The machine is delivered fully equipped. It is ready for operation after assembly of the tool and
adjustment of the machine arm, and after connection to the appropriate power supply.
3.1 Tool assembly
Only NORTON blades or plate with a maximum diameter of 900 mm can be used with the
CT901ME.
Before mounting a new tool into the machine, switch off the machine and isolate it from the main
source of electricity. Make sure the tools are not rotating anymore.
Screw 2 M6-screws per blade using a 10mm wrench to assemble the blade on the arm. To
assemble a plate, place the machine with the blades assembled on the plate, and turn it until the
blades are located in the hooks on the plate.
3.2 Electrical connections
Check that,
•The main switch is on “0”.
•The voltage/phase supply corresponds to the information indicated on the motor plate.
•Available power supply must have ground connection in conformity with safety regulations.
•The connecting cables should have at least a 2.5mm
2
-section per phase.
3.3 Starting the machine
Set the machine arm in a comfortable position. To that purpose, loosen the handle on the arm and
set the arm at the right angle, then retighten the handle.
To start the machine after connection to the power supply, set the main switch on “1” or “2”,
depending on the rotation speed chosen. If the machine is turning in the wrong direction, release
the dead-man handle, and wait the machine to be idle again. Then turn the main on on “1” or “2”,
depending on the rotation speed chosen, but in the other direction on the switch. Then press the
dead-man handle. To stop the machine, release the handle and set the main switch to “0”.

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4 Transport and storing
4.1 Securing for transport
Before transporting the machine, always remove the blades and the plate.
4.2 Transport procedure
Conform yourself to work regulations, in order to transport the machine safely. To help you
transport the machine, you can remove the transport tube from under the handle and located in the
front hole of the machine (see picture below).
To lift the machine, use the lifting eye. Make sure that your lifting device is securely fastened to the
lifting eye.
4.3 Long period of inactivity
If the machine is not going to be used for a long period, completely clean the machine and
disassemble the tools. The storage site must be clean, dry and at a constant temperature.
5 Operating the machine
5.1 Site of work
•Remove from the site anything, which might hinder the working procedure!
•Make sure the site is sufficiently well lit!
•Observe manufacturer's conditions for connecting to power supplies!
•Place electric cables in such a way that damage by the machine is excluded!
•Make sure you have a continual adequate view of the working area so you can intervene in the
working process at any time!

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•Keep other staff out of the area, so you can work securely.
5.2 Preparing the site
Prepare the concrete as for manual trowelling. Assure a well levelled surface (we recommend the
use of a beam or better a vibrating screeder). When slab has set sufficiently firm so that the
operator can walk on it, leaving only a slight impression (approx.3mm), it is ready for the floating
operation.
5.3 Floating and finishing operation
To use the machine correctly, you must face it with the two hands on the handle. To start the
machine after connection to the power supply, set the main switch on “1” or “2”, depending on the
rotation speed chosen. If the machine is turning in the wrong direction, release the dead-man
handle, and wait the machine to be idle again. Then turn the main on on “1” or “2”, depending on
the rotation speed chosen, but in the other direction on the switch. Then press the dead-man
handle. To stop the machine, release the handle and set the main switch to “0”.
Handling the machine
Operate the machine from right to left as shown in the following drawing:
To move the machine:
•Forward (I on the following drawing), turn the handle clockwise.
•Backward (II), turn the handle counterclockwise.
•To the left (III), pull up the handle.
•To the right (IV), push down the handle.
Tilting the blades

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Floating the slab is done with the blades nearly flat on the surface of the concrete; however it is
recommended that the blades are just slightly tilted to avoid the suction and drag created in normal
operation of float blades on wet concrete. For the finishing operation, tilt the blades. Start with a
small pitch of 4 to 6 mm. After each finishing pass, continue to tilt blades.
Depression or high spot
To fill a depression or cut down a high spot, simply move the machine back and forward over the
area until the desired surface is obtained.
IMPORTANT: Do not allow the machine to stand in one spot on wet concrete – remove the
machine from the slab when it is not used.
CAUTION: when the machine is switched off, the tools will continue turning slowly to complete stop.
Be therefore very careful to avoid injuries.
6 Maintenance and servicing
To ensure a long-term quality from the use of the CT901ME, please follow the maintenance plan
below:
Begin of the day During the changing of tool End of the day or more often if required Every week After a fault After a damage
Visual control (general aspect,
water tightness)
Whole machine
Clean
Surface of blades or plate Clean
Tension of the blade Check
Motor cooling fan Clean
Motor housing Clean
Reachable nuts and screws Tighten up
Maintenance of the machine
Always perform the maintenance of the machine with the machine isolated from the electrical
supply and with tools idle.
Lubrication
The CT901ME uses life-lubricated bearings. Therefore, you don’t need to lubricate the machine at
all.
Control and change of the belt
To control the tension of belts, open the belt guard, and push on the belts. You should be able to
gape the belt as thick as a finger. If the tension is incorrect, loosen the nuts securing the motor on
the machine and move the motor until the correct tension is reached. Make sure that the pulleys are
aligned correctly. Then retighten the nuts.

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To change the belts, loosen the nuts securing the motor on the machine and move the motor
forward until you can remove the old belts and put a new set of belts on the pulleys. Move the motor
in order to tighten the belts in a suitable way. Make sure the pulleys are aligned correctly. Then
retighten the nuts to assemble the motor securely.
After the control or the change of the belts, always reassemble the belt guard.
Cleaning of the machine
Your machine will last longer if you clean it thoroughly after each day of work, especially motor and
blades or pan.
7 Faults: causes and cures
7.1 Fault-finding procedures
Should any fault occur during the use of the machine, turn it off, and isolate it from the electrical
supply. Any works dealing with the electrical system or supply of the machine can only be carried
out by a qualified electrician.
7.2 Trouble-shooting guide
Trouble Possible source Resolution
No electricity Check the electrical supply
(fuse for example)
Connection cable section too
small Change connection cable
Defective connection cable Change connection cable
Defective switch CAUTION : can only be solved
by qualified electrician
Motor is not running
Defective motor Change motor or contact motor
manufacturer
7.3 Circuit diagram

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7.4 Customer service
When ordering spare parts, please mention:
•The serial number (7 digits).
•The code of the part.
•The exact denomination.
•The number of parts required.
•The delivery address.
•Please indicate clearly the means of transportation required such as "express" or "by air".
Without specific instructions, we will forward the parts through the means which seem
appropriate to us --- but which is not always the quickest way.
Clear instructions will avoid problems and faulty deliveries.
If not sure, please send us the defective part. In the case of a warranty claim, the part must always
be returned for evaluation. Spare parts for the motor can be ordered with the manufacturer of the
motor or with their dealer, which is often quicker and cheaper.
This machine has been manufactured by Saint-Gobain Abrasives S.A.
190, Bd. J.F. Kennedy
L- 4930 BASCHARAGE
Grand-Duché de Luxembourg.
Tel.: [phone]
Fax: [phone]
http://www.construction.norton.eu
e-mail: [email protected]
Guarantee can be claimed and technical support obtained from your local distributor where
machines, spare parts and consumables can be ordered as well:
Benelux and France:
From Saint-Gobain Abrasives
in the Grand-Duché de Luxembourg
Free telephone numbers:
Belgium : 0 800 18951
France: 0 800 90 69 03
Holland: 0 8000 22 02 70
e-mail: [email protected]
Germany
Saint-Gobain Diamond Products GmbH
Birkenweg 45-49,
D-50389 WESSELING
Tel : [phone]
Fax : [phone]
e-mail: [e-mail]
Italy
United Kingdom
Saint-Gobain Abrasives Ltd.
Doxey Road
Stafford
ST16 1EA
Tel : [phone]
Free fax : [phone]
e-mail : [e-mail]
Spain
Saint-Gobain Abrasivos S.A.
C/. Verneda del Congost s/n
Pol.Ind. El Pedregar
E-08160 MONTMELÓ (Barcelona)
Tel: [phone]
Fax: [phone]
e-mail: Comercial.sga-apa@saint-
gobain.com
Hungary

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Saint-Gobain Abrasivi S.p.A.
Via per Cesano Boscone, 4
I-20094 CORSICO-MILANO
Tel: [phone]
Fax: [phone]
e-mail: [e-mail]
Austria
Saint-Gobain Abrasives GmbH
Telsenberggasse 37,
A-5020 SALZBURG
Tel: [phone]
Fax: [phone]
e-mail: [e-mail]
Poland
Saint-Gobain Diamond Products Sp.zO.O.
AL. Krakowska 110/114
PL-00-971 WARSZAWA
Tel: [phone]
Tel/Fax: [phone]
e-mail: [email protected]
Saint-Gobain Abrasives KFT.
Banyaleg Utca 60B
H-1225 BUDAPEST
Tel: ++36 1 371 2250
Fax: ++36 1 371 2255
e-mail: [email protected]
Czech Republic
Norton Diamantove Nastroje Sro
Vinohrdadska 184
CS-13000 PRAHA 3
Tel: [phone]
Fax: [phone]
e-mail: [e-mail]

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SAINT-GOBAIN ABRASIVES
190, Bd. J. F. Kennedy
L-4930 BASCHARAGE
LUXEMBOURG
Tel.: ++352 50401-1
Fax: ++352 501633
e-mail: [email protected]
www.construction.norton.eu
24.02.2009