SAINT-GOBAIN Norton Clipper CM 401 Series User manual

CM 401
OPERATING INSTRUCTIONS
Translation of the original 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:
Masonry Saws: CM 401 500 30.1.230V Code: 70184626981
CM 401 500 40.3.400V 70184626983
CM 401 600 30.1.230V 70184626994
CM 401 600 40.3.400V 70184627004
CM 401 500 30.1.115V 70184627497
CM 401 600 30.1.115V 70184627498
is in conformity with the following Directives:
"MACHINES" 2006/42/CE
"LOW VOLTAGE" 2014/35/EU
"ÉLECTROMAGNÉTIC COMPATIBILITY" 2014/30/EU
"NOISE" 2000/14/CE
and European standard:
EN 12418 –Masonry and stone cutting-off machines –Safety
Valid for machines as of serial number:
161000000
Declaration of conformity

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Storage site for the technical documents :
Saint-Gobain Abrasives 190, Bd. J. F. Kennedy 4930 BASCHARAGE, LUXEMBOURG
This declaration of conformity loses its validity when the product is converted or modified without
agreement.
Bascharage, Luxembourg, 25/11/2016
Olivier Plenert, executive officer.

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CM 401
OPERATING INSTRUCTIONS AND SPARE PARTS LIST
1BASIC SAFETY INSTRUCTIONS 6
1.1 Symbols 6
1.2 Machine plate 7
1.3 Safety instructions for particular operating phases 7
2MACHINE DESCRIPTION 9
2.1 Short description 9
2.2 Purpose of use 9
2.3 Layout 9
2.4 Technical Data 11
2.5 Statement regarding the vibration emission 12
2.6 Statement regarding noise emission 13
3ASSEMBLY AND COMMISSIONING 14
3.1 Tool assembly 15
3.2 Electrical connections 15
3.3 Starting the machine 15
3.4 Water cooling system 16
4TRANSPORT AND STORING 17
4.1 Securing for transport 17
4.2 Transport procedure 18
4.3 Long period of inactivity 18
5OPERATING THE MACHINE 19
5.1 Site of work 19
5.2 Cutting methods 19
6MAINTENANCE AND SERVICING 22
7FAULTS: CAUSES AND CURES 24
7.1 Fault-finding procedures 24
7.2 Trouble-shooting guide 24
7.3 Circuit diagram 25
7.4 Customer service 28

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1 BASIC SAFETY INSTRUCTIONS
The CM 401 is exclusively designed for the cutting of construction products 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 must be worn
Hand protection must be worn
Eye protection shall be worn
Rotation direction of the blade
Danger: risk of cut

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1.2 Machine plate
Important data can be found on the following plate located on the machine:
1.3 Safety instructions for particular operating phases
Before commencing work
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 blade regularly.
Immediately remove damaged or badly worn blades,as they endangerthe operator whilst rotating.
Only fit NORTON diamond blades 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.
For security reasons, never leave the machine unattended, untied or unlocked.
Electrical powered machine
Always turn off the machine and separate it from the main source of electricity before any work
Machine Model
Machine Code
Weight
Year of production
Maximum blade diameter
Machine type
Serial number
Power
Safety standard
Blade speed
Bore
diameter

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on the machine is done.
Make all electrical connections securely to eliminate contact of live wires with spray water or
dampness.
When the machine is used with water, it is IMPERATIVE that you earth the machine properly. Let
a qualified electrician check in case of doubt.
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.
In case of emergency, you can stop the machine by :
pushing on the front cover of the switch for 230V powered machines.
turning the switch 0/1 on 0 for 115V powered machines.
turning the ON-OFF switch on OFF for 400V powered machines.
You can lock the ON-OFF-switch on 400V powered machines using a padlock.

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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 CM 401 block saw is designed for durability and high performance for onsite wet and dry cutting
operations of a wide range of masonry, refractory and natural stone products.
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 machine is designed for cutting a large range of building and refractory materials. It is not
designed for cutting wood or metals.
2.3 Layout
Foot and handles (1)

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The jig-welded, reinforced and all-steel construction feet ensures perfect stability. Precision springs
allow the feet to be folded up. Handles can be used for the transport of the machine when the feet are
folded up, and for locking the feet when the machine is standing on its feet.
Frame (2)
Built in aluminium profile, the frame is light and resistant.
Cutting head (3)
Jig-welded steel console. Console supports the electric motor and the blade guard. The balancing of
the cutting head is achieved using a heavy-duty spring. A depth-locking device fixed to cutting head
and frame enables the operator to set the cutting head to desired or to maximum cutting depth.
Blade guard (4)
Jig-welded steel construction with 400mm-diameter blade capacity, which offers maximum operator
protection and increased visibility of the work piece.
Incorporated in the blade guard is a shaft vent cover, which can be easily hinged opened. This allows
easy access to shaft for inspection and blade replacement when motor is switched off, while fully
protecting the blade when in operation.
Down feed and cutting depth adjustment (5)
The spring-loaded cutting head, activated by hand with the grip on the blade guard ensures smooth
lowering of the cutting head for shock-free penetration of the work piece and improved control of the
cutting pressure.
Conveyor cart (6)
Large, heavy-duty conveyor cart fitted with water flow-control vents, mounted on 4 rollers to give
maximum stability and smooth movement. The conveyor cart is equipped with graduated scale on the
backstop and with a guide-a-cut device.
Water cooling system (7)
The coolant system comprises:
A powerful, submersible electric water pump.
Plastic suction pipe delivering the water from the water pan to the cutting head.
A removable large capacity aluminium water pan supplied with drain plug.
A water-tap, fitted to the blade guard, permitting controlled water flow.
Two water nozzles located inside the blade guard ensure adequate flow of water to both sides of
the cutting blade.
A water curtain, fixed to head axle restricts water spray and minimises water loss.
Electrical Motor (8)

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Leroy-Somer motor with 2,2kW. Low voltage trigger (NVR) built in the switch prevents the motor to
restart for example after a power cut.
The electric motor has an overload protection. Thermal overload tripping can occur for two reasons:
a. tripping under light load
If connection is incorrect
b. tripping under heavy load
If motor has been overloaded
Anti-tipping device (9)
Two sheaves located on each side of the conveyor cart stabilise the cart while its usage. It also
prevents the cart from tipping from the frame.
Blocking device (10)
The cart can be fixed on the frame to allow the machine to be transported without danger.
2.4 Technical Data

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Electric motor protection
IP54
Max. blade diameter
400 mm
Bore
25,4 mm
Flange diameter
95 mm
Cutting depth mm
150 mm (without reversing the material)
Water pan capacity
30L
Sound pressure level
81 dB (A) (following ISO EN 11201)
Sound energy level
94 dB (A) (following ISO EN 3744)
Code
70184627497
70184627498
70184626981
70184626994
70184626983
70184627004
Type
CM 401 500
CM 401 600
CM 401 500
CM 401
600
CM 401 500
CM 401 600
Power
2.2kW
2.2kW
2.2kW
2.2kW
3kW
3kW
Voltage
115V 1~
115V 1~
230V 1~
230V 1~
400V 3~
400V 3~
Location of the thermal
protection
Switch
Switch
Motor
Motor
Switch
Switch
Cutting length
500
600
500
600
500
600
Blade shaft speed
2700 min-1
2700 min-1
2700 min-1
2700 min-1
2000 min-1
2000 min-1
Length
1205 mm
1380 mm
1205 mm
1380 mm
1205 mm
1380 mm
Width
660mm
Cart dimension
500x500
mm
500x600
mm
500x500
mm
500x600
mm
500x500
mm
500x600
mm
Height (with feet)
1510mm
Height (without feet)
920mm
Weight (total)
111kg
113kg
111kg
113kg
113kg
115kg
Weight (frame)
92kg
93kg
92kg
93kg
94kg
96kg
Weight (cart)
15kg
15kg
15kg
15kg
15kg
15kg
Weight (water pan)
4kg
4kg
4kg
4kg
4kg
4kg
2.5 Statement regarding the vibration emission
Declared value of vibration emission following EN 12096.

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Machine
Model / code
Measured value of vibration
emission at m/s2
Uncertainty K
m/s2
Tool used
Model / code
CM 401 500
30.1.230V
70184626981
CM 401 500
40.3.400V
70184626983
CM 401 600
30.1.230V
70184626994
CM 401 600
40.3.400V
70184627004
CM 401 500
30.1.115V
70184627497
CM 401 600
30.1.115V
70184627498
<2.5
0.5
Clipper ZDH500
diamond blade
The vibration value is lower and does not exceed 2.5 m / s.
Values determined using the procedure described in the standard EN 12418.
The measurements are made with new machines. Actual values may vary with site conditions, in
terms of:
Materials worked
Wear Machine
Lack of maintenance
Inappropriate tool for application
Tool in poor condition
Unskilled operator
Etc…
The exposure time to vibration is based on the performance of work (related to the adequacy
Machine / Tool / worked material / operator)
When evaluating risks due to hand-arm vibration, you need to take into account effective usage at
rated power of machine during a full day of work; quite often you will realise that effective utilisation
time represents around 50% of overall duration of work. You have to consider, of course, breaks,
water feeding, preparation of work, time to move the machine, disk mounting…
2.6 Statement regarding noise emission

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Declared value of noise emission following EN ISO 11201 and NF EN ISO 3744.
Machine
Model / code
Sound
Pressure level
LPeq
EN ISO 11201
Uncertainty K
(Sound
Pressure level
LPeq
EN ISO 11201)
Sound power
level
LWeq
NF EN ISO 3744
Uncertainty K
(Sound power level
LWeq
NF EN ISO 3744)
CM 401 500
30.1.230V
70184626981
CM 401 500
40.3.400V
70184626983
CM 401 600
30.1.230V
70184626994
CM 401 600
40.3.400V
70184627004
CM 401 500
30.1.115V
70184627497
CM 401 600
30.1.115V
70184627498
81 dB(A)
2.5 dB(A)
94 dB(A)
4 dB(A)
Values determined using the procedure described in the standard EN 12418.
The measurements are made with new machines. Actual values may vary with site conditions, in
terms of:
Wear Machine
Lack of maintenance
Inappropriate tool for application
Tool in poor condition
Unskilled operator
Etc…
Measured values relate to an operator in normal use, as described in the manual position.
3 ASSEMBLY AND COMMISSIONING

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The machine is delivered fully equipped and assembled (although without diamond blade) and is
ready for operation after connection to the appropriate power supply.
3.1 Tool assembly
Only NORTON blades with a maximum diameter of 400 mm can be used with the CM 401.
All tools used must be selected with regard to their maximum permitted cutting speed for the
machine’s maximum permitted rotation speed.
Before mounting a new blade into the machine, switch off the machine and isolate it from the main
source of electricity.
To mount a new blade, follow these steps:
Open the shaft vent cover on the blade guard.
Loosen the screw on the blade shaft, which holds the removable outer flange.
Remove the outer flange.
Clean the flanges and blade shaft and inspect for wear.
Mount the blade on arbor ensuring that direction of rotation is correct. Wrong direction of rotation
blunts the blade quickly.
Replace outer blade flange.
Tighten the screw with spanner supplied for this purpose.
Shut the vent cover.
The blade bore must correspond exactly to the diameter of the blade shaft. Cracked or damaged bore
is dangerous for the operator and for the machine.
3.2 Electrical connections
Check that,
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 2.5mm2-section per phase.
3.3 Starting the machine
230V Motor
Open the switch cover and press the green button to start the machine. To stop either use the red
button or press directly on the switch front cover.
115V Motor
To switch the machine on, turn the 0/1 switch on 1. To switch the machine off, turn the 0/1 switch on
0.
400V Motor
Put the ON-OFF-Switch on ON. Then put the Star-Triangle-Switch on Y. Wait until the blade reaches

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its maximum rotational speed, then turn the Star-Triangle-switch on .
The direction of rotation is indicated on the bladeguard. If the direction of rotation does not correspond
to the direction shown by the arrow, then reverse the motor polarity by turning the phase inverter
inside the male plug with a screwdriver.
3.4 Water cooling system
Fill the water pan with clean water to approximately 2cm from top (ensure that bottom of pump is fully
immersed in water).
Open water-tap at blade guard (note that handle on water-tap should be in line with water-flow).
Ensure that water is flowing freely in the circuit and is delivered adequately to both sides of the blade,
as insufficient water supply may result in premature failure of the diamond blade.
The water pump must never run without water. Always make sure that there is enough water in the
pan and refill if necessary.
In case of frost, empty the water cooling system from its water.

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4 TRANSPORT AND STORING
4.1 Securing for transport
Before transporting or lifting the machine, always remove the blade and empty the water pan. You
can transport the machine mounted, or you can remove some parts from the machine so it is lighter.
Picture 1 : Securing the conveyor cart
Picture 2 : Securing the water pan
a) If you want to transport the machine mounted, you have to secure the conveyor cart and the water
pan:
To secure the cart (picture 1), loosen the wing nut (1) and turn the blocking device until it takes
the screw (3). Then retighten the wing nut.
To secure the water pan (picture 2), make sure the blocking device (1) is in the shown position.
b) You can also remove the conveyor cart and the water pan:
To remove the cart, loosen the wing nut (1 on picture 1) and turn the blocking device until it is
parallel to the scale. Loosen the knobs on each side of the conveyor cart (1 on picture 3), and put
the anti-tipping device in its lower position. Then remove the cart.
Before removing the pan, take the water pump out of it. Open the blocking device (1 on picture 2)
and pull the pan out of the profiles.
Picture 3 : unlocking of the anti-tipping device

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4.2 Transport procedure
The machine can be moved on a flat surface using its wheels. You must first fold away the feet. Two
operators are required for this. Lift the rear handle and push lightly on the rear foot of the machine
with your foot. The foot of the machine will automatically fold away. You can then put the rear of the
machine on the floor. Then proceed the same way with the front foot.
4.3 Long period of inactivity
If the machine is not going to be used for a long period, please take the following measures:
Completely clean the machine
Loosen the drive belts
Empty the water system
Take the water pump out of the slurry and clean it thoroughly.
The storage site must be clean, dry and at a constant temperature.

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5 OPERATING THE MACHINE
5.1 Site of work
5.1.1 Siting the machine
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 device 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!
Keep other staff out of the area, so you can work securely.
5.1.2 Space required for operation and maintenance
Leave 2 m in front of the machine and 1,5 m around it for usage and maintenance of the CM 401.
5.2 Cutting methods
To use the machine correctly, you must face it with one hand on the handle of the cutting head, and
the other on the conveyor cart. Always keep your hands away from the moving blade.
5.2.1 Full depth or fixed cutting
In full depth or fixed cutting, the cutting head is locked in a fixed position and the material is pushed
into it as shown.
Lower the cutting head to the desired cutting depth (in “through cutting”, lower cutting head until
blade peripheryreachesmax. 3mm under thesurface ofthe conveyor cart) bymeans of the handle
on the blade guard
Fix position by tightening the clamping device
Put material on conveyor cart
Push the conveyor cart slowly and without undue pressure towards the rotating blade and cut the
material as shown on the picture.
NOTE: While recommended, it is not absolutely necessary to lock the cutting head into a given depth

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position when jam cutting. The desired cutting depth can be maintained by holding firmly the depth
feed handle on the blade guard. If the full depth of cut requires excessive pressure (on very dense
material e.g.) make 2 or 3 shallow cuts.
5.2.2 Multiple step cutting
Multiple step cutting consists of moving the conveyor cart with the material to be cut back andforward
under the rotating blade,
Place the material to be cut on the conveyor cart firmly against the guide-a-cut and the backstop,
keeping the hands well away from the blade.
Move conveyor cart forward near the blade and pull down the cutting head until blade is lowered
to a point where it will lightly contact the surface of the material.
Then pass the material beneath with rapid full length strokes, taking a shallow cut (approximately
3 mm deep as shown on the picture) on the forward. On the backward stroke, lift the blade just
clear over the cutting line.
Complete each rapid stroke backward and forward by passing the material beyond the centre of
the blade before starting the reverse movement of the conveyor cart.
NOTE: the harder the material, the more rapid should be the forward and backward strokes.
Step cutting lessens the area of the blade circumference in contact with the material, keeping the
blade cool, running free and cutting at peak efficiency.
5.2.3 Cutting thicker material
You can cut thicker material by reversing the material on the cart. In order to raise the head to pass
the material under it, you have to slide the upper head stop from position 1 to position 2 as shown on
the picture 4. You can then cut up to 300mm thick material. If you want to cut again fewer than 110mm,
turn the stop from position 2 to position 1.
Picture 4: cutting with reversing the material