RASOR NERAPRO Operation instructions

CORDLESS ELECTRIC CUTTER
NERAPRO
USE AND MAINTENANCE INSTRUCTIONS
Please read this manual carefully before using the device
and keep it safe with the product.
TRANSLATION OF ORIGINAL AND COMPLETE INSTRUCTIONS

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Meaning of warning and
danger symbols
Safety instructions, which must be followed to prevent physical
harm, are identified by the following symbols:
a
CAUTION HAZARD
Indicates operations that can cause generic injuries or
trigger malfunctions or damage to the equipment and/or
materials if not carried out correctly; particular attention
and adequate preparation are therefore required.
f
CAUTION ELECTRICAL HAZARD
Indicates operations that can cause electrical injuries or
trigger malfunctions or damage to the equipment and/or
materials if not carried out correctly; particular attention
and adequate preparation are therefore required.
d
DO NOT
Indicates PROHIBITED operations.
EC - DECLARATION OF
CONFORMITY
PRODUCT MANUFACTURED BY:
RASOR ELETTROMECCANICA S.r.l.
Via Giannetto Mattei, 41/43 - 20044 Arese- (MI) - ITALY
Model: NERAPRO
Rasor Elettromeccanica s.r.l. declares, under its own respon-
sibility, that the aforementioned products, to which this decla-
ration refers, comply with the Directives on the approximation
of the laws of EEC member states relating to:
–Machinery 2006/42/EC;
–Electromagnetic Compatibility 2014/30/EU
–RoHS Directive 2011/65/EU
Milan, 01/06/2022.
Index
SYMBOLS
Mr Lorenzo Spinelli
CEO
1 GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 Important safety information 3
1.1.1 General warnings 3
1.2 Prohibitions 4
1.3 Handling and storage 4
1.4 Limits of use 4
1.5 Technical specifications 4
1.6 Noise 4
1.7 Limitation of liability 4
1.8 Identification data 4
1.9 Package contents 5
1.9.1 Information on batteries 5
1.10 Description of the device 5
2 USE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.1 Manual mode 6
2.2 Charging the batteries 6
3 MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.1 Blade sharpening 7
3.2 Lubrication 7
3.3 Replacing the blade 7
3.3.1 Available blades 8
4 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4.1 Problems and possible causes/solutions 9
5 SPARE PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
6 DISPOSAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
6.1 Disposal at end of life 11
7 WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

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GENERAL INFORMATION
1 GENERAL INFORMATION
1.1 Important safety information
1.1.1 General warnings
–The product user must store the following instructions care-
fully and follow them closely, as improper use of the device
can harm people or damage the product or property, ex-
empting Rasor Elettromeccanica S.r.l. from any liability.
–The following instructions must be kept with the product to
which they refer and be stored in a place where users can
access and view them.
–Reproduction, in whole or in part, of the illustra-
tions or text given in these instructions is prohibited.
Rasor Elettromeccanica S.r.l. reserves the right to amend
the documentation without prior notice.
a
CAUTION HAZARD
–The product must be started and used solely in
compliance with all safety guidelines given in these
instructions.
–Failure to follow these instructions, or any product
alteration not carried out by our authorised technicians,
will void the warranty and relieve the manufacturer of
any liability arising from harm to people, damage to
property or to the product itself.
a
CAUTION HAZARD
–Check that electrical and mechanical parts are in
excellent working order before starting the device.
–Children must not play with the product.
–Cleaning and maintenance intended to be carried out
by the user must not be carried out by unsupervised
children.
–Use only original spare parts supplied by Rasor
Elettromeccanica S.r.l.
–Any required operation (maintenance or repair) must be
carried out by qualified personnel after having cut the
power supply, thus preventing accidental start-up which
could cause harm to people or property. Switching the
product off is not sufficient.
–Users must follow the accident-prevention regulations in
force in their country and must use adequate protection
when using and maintaining the product.
a
CAUTION HAZARD
–It is particularly important to keep the product out of
reach of children and pets.
–The product must be used indoors, away from heat, wet
and humidity.
–The product must be cleaned solely with a dry cloth,
after having disconnected it from the power source.
–During normal work operations, do not wear loose-
fitting clothing or accessories that may be a source of
risk.
–Wear metal mesh safety gloves and safety goggles
during the normal work cycle.
–Materials must be perfectly dry when using the product.
a
CAUTION HAZARD
–The cordless electric cutter also works without a safety
guard. This guard must NEVER be removed.
–Metal parts may be hot after use.

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GENERAL INFORMATION
1.2 Prohibitions
1.3
d
DO NOT
–The product and its electrical or mechanical connections
MUST NOT be tampered with or modified.
–It is FORBIDDEN to remove parts of the product.
–It is FORBIDDEN to use the product in areas at risk of
explosion and/or fire.
–It is FORBIDDEN to use the product or accessories with
wet hands. Risk of electrocution.
Handling and storage
The product must be stored in its original packaging and in a
dry, covered location away from heat sources, dirt and humidi-
ty. The product can be stored between 0° and 55°C.
1.4 Limits of use
All Rasor Elettromeccanica products are tested before being
shipped to the customer to guarantee safe and long-lasting
operation.
The product must be used solely for its intended purpose. Any
other use is forbidden and constitutes a risk.
The product operates at a maximum temperature of 55°C.
The protection rating of the device is IP 65.
1.5 Technical specications
Model NERAPRO
Blade diameter 50 mm, with carbide fixed blade
Blade supplied 50EEXT, 6-sided, Steel EXTRA
Blade speed 1000 revs/min
Cutting capacity approx. 9 mm
Motor power DC 3.7V - 35W
Battery 3.7 V Li-Ion®, 2.4 Ah rechargeable
Weight (with battery) 580 g
Total weight (with
packaging) 950 g
Minimum brightness for use 200 LUX
Start-up vibration < 2.5 m/s2
Usage temperature 0 - 55° C
Usage humidity 10%-95% without condensation
1.6 Noise
The maximum sound pressure level emitted is approximately
60 dB (A). Airborne noise was detected in compliance with EN
ISO 15744:2008. The noise levels emitted by the device at vari-
ous detection distances (with no soundwave filtration system)
vary by a few db (A).
1.7 Limitation of liability
The manufacturer declines all liability for any damage and mal-
functions arising from:
–failure to follow the instructions given in this manual
–repairs not carried out in a workmanlike manner (the use of
non-original spare parts and accessories can adversely affect
product operation)
–damage caused by arbitrary changes by
the user or by unauthorised interventions
–failure to carry out maintenance as indicated
–power supply faults
–damage or defects caused by improper use
–use by untrained or unauthorised personnel
–damage or defects caused by failure to follow use and
maintenance instructions.
1.8 Identication data
A nameplate (1) stating the product data is applied to the
NERAPRO. Ensure the nameplate has been applied to the prod-
uct; if not, inform the manufacturer and/or retailer immediately.
Devices without the nameplate must not be used, or the man-
ufacturer’s liability will be voided.
1
22001
Sample nameplate

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GENERAL INFORMATION
1.10 Description of the device
The NERAPRO cordless electric cutter has been designed, built
and assembled for cutting fabrics and all kinds of materials –
EXCEPT FOR metals, plastic and wood – using a rotary blade.
The equipment must not be used:
–in environments with explosive atmospheres;
–in the presence of fine dust or corrosive gases;
–for cutting plastic, metal or wood materials.
Any use of the NERAPRO cordless electric cutter for pur-
poses other than those indicated above is prohibited
and constitutes a hazard.
5
4
3
2
10
9
7
6
8
11
12
15
1
13
1
14
1 Start button
2 Li-ion 3.7V battery
3 Plastic motor housing
4 Steel base
5 Polygonal steel blade
6 Greaser
7 Emery wheel
8 Sharpener button
9 Blade protection case
10 Motor support
11 Worm regulator
12 Guide tip
13 Carbide fixed blade
14 Wire clip
15 Top and bottom buttons
for disconnecting battery
1.9 Package contents
The cutter is supplied with batteries and a charger in a card-
board box (A). The product code and serial number are speci-
fied on the outer packaging.
A
The following accessories are also included:
1 Butterfly key for removing blade nut
2 Blade assembly/disassembly punch
3 6-sided blade
4 Rechargeable battery 3.7 V with Li-ion®technology (x2)
5 Standard charger with European or American plug
6 Docking station for recharging 3.7 V batteries with Li-ion®
technology
1.9.1 Information on batteries
Following a few simple guidelines extends the lifespan of the
batteries supplied:
–charge the battery fully before using it for the first time
–recharge when it is almost flat (approximately 10-20%
charge remaining). The battery cells can be recharged up to
200 times
–avoid letting the battery go completely flat or overcharging
it
–recharge at room temperature (+18/21°C)
–do not leave the battery in direct sunlight
–if not used for a prolonged period, store the battery with
approximately 50% charge remaining at a room temperature
of 5/10°C
–recharge at least every 12 months.

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USE
2 USE
2.1 Manual mode
To use the cordless electric cutter manually:
–Disconnect the battery from the charger (if charged) as de-
scribed in section 2.2;
–Attach the battery to the motor, fitting it as indicated on the
battery itself;
–Lay out the material on a table;
–Position the material above the cutting base;
–Press the button under the handle to start the cutter;
–Push the cordless electric cutter in the direction of the re-
quired cut, while keeping the material taut to avoid it curling
up in the front part of the cutter.
–To cut neatly along a pre-marked line, we recommend using
the tip (1) as a guide.
1
l
WARNINGS
Apply pressure uniformly to the cordless electric cutter.
2.2 Charging the batteries
a
CAUTION
Always check the charger voltage against the mains
voltage for the country of use.
When the battery is flat, recharge it using the docking station
supplied with the device only.
The docking station must be connected to the standard charg-
er (with European or American plug) also supplied with the
cutter.
Release the battery (1) from the motor by pressing the orange
buttons (2) above and below the battery, then insert it in the
docking station (3).
Never use batteries other than the one supplied (rechargeable
3.7 V with Li-ion®technology).
You can check the charge level on the docking station and
charger:
–battery charging (red)
–battery fully charged (green)
Using the standard CH36 charger (European plug) or CH3601
(American plug) charger, the battery takes approximately 4
hours to charge fully.
2
1
3
1
a
CAUTION
Only ever use the charger supplied (100-240VAC, 50/60 Hz,
0.4A max - Output: 4.2V, 2A).

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MAINTENANCE
3 MAINTENANCE
3.1 Blade sharpening
After several hours of continuous use, or if the cutter is no
longer cutting as it should, sharpen the blade.
To sharpen the blade, start the cutter then press and hold the
sharpening button (1) for 3-4 seconds.
Repeat 2-3 times.
If sharpening the blade is not effective, check the emery wheel
(2) for wear.
If the emery wheel (2) is excessively worn or dirty, replace the
wheel. To do this, first remove the blade using the appropriate
tool.
1
2
3.2 Lubrication
Lubricate the pair of gears every 3-4 days of use.
To do this, remove the protective cap (1) on the cutter head
and fill with grease (supplied).
Turn the cap (1) a few times to screw it back on.
Tighten the cap (1) by a few turns every day the cutter is used.
1
a
CAUTION
The blade must never be dirty with grease or oil.
3.3 Replacing the blade
If the blade no longer cuts the material (even after repeated
sharpening), replace it.
To do this you need the butterfly key (1) and blade-locking
punch (2).
To replace the blade:
1 Disconnect the battery from the tool;
2 Wear protective gloves in accordance with Italian Legisla-
tive Decree 81/08;
3 Unscrew the two slotted screws (4) using a screwdriver
(not supplied by the manufacturer) and remove the safety
guard (3);
3
4

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MAINTENANCE
4 Insert the punch (2) in the hole (5) to lock the blade (the
hole in the blade must line up with the hole in the stand);
2
5
Use the butterfly key (1) to unscrew the nut (6) and remove the
blade (7);
61
7
5 Replace the worn blade with a new one (8) of the same
size and with the same specifications. Make sure the blade
is centred on the gear in the correct position. Fit the blade
with the sharp side (the side with the word Rasor on it)
facing outwards away from the cutter;
8
6 Refit all parts and test both cutting and sharpening.
3.3.1 Available blades
CODE DESCRIPTION
503EEXT 6-sided EXTRA steel blade
503EHSS 6-sided HSS steel blade
503CHSS HSS circular steel blade
503DHSS 10-sided HSS steel blade
503DHSSTF 10-sided HSS steel blade coated with Teflon®
503EHSSTF 6-sided HSS steel blade coated with Teflon®
Technical data are indicative and subject to change without
notice.

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TROUBLESHOOTING
4 TROUBLESHOOTING
4.1 Problems and possible causes/solutions
ANOMALY SOLUTION
The textile is not cut or gets stuck between the blade and the fixed blade
Check that the blade and fixed blade are touching and that there is no residual
material on the fixed blade
Check that the fixed blade is integral
Check the type of textile
Sharpen the blade
Check the textile thickness
Check compatibility between the blade and the fabric
Check the motor turns correctly
Check the battery charge level
Reduce the speed
The cutter is noisy Lubricate
Dismantle the blade and remove residual material
The cutter is slow to start, works on and off, or does not start
Check the batteries are inserted correctly
Check the plastic joint is integral
Check the battery charge level
l
WARNINGS
Contact the retailer for problems not included in this table

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SPARE PARTS
5 SPARE PARTS
l
WARNINGS
Use only original spare parts to replace faulty components.
When requesting spare parts, always state the exact model
name and the device’s serial number.
d
DO NOT
Use unsuitable spare parts. They can cause anomalous
operation and harm people or property.
CODE DESCRIPTION
503EEXT 6-SIDED BLADE, 50 mm, EXTRA STEEL
BA 011 MOTOR FLANGE
BA 012 ELECTRIC MOTOR WITH REDUCER
BA 012CPL FULL NERA504 MOTOR
BA 013 RIGHT-HAND PLASTIC MOTOR COVER
BA 014 LEFT-HAND PLASTIC MOTOR COVER
BA 015 MOTOR COVER FIXING SCREW
BA 016 PLASTIC BUTTON
BA 017 BUTTON SPRING
BA 018 POWER BUTTON
BA 019 CONTACT TERMINALS
BA 020 REDUCER FLANGE FIXING SCREW
BA 021 NERA MOTOR MOUNT FIXING SCREW
F 5027 JOINT
F 5029 GREASE SCREW BEARING 5x11x4
F 5029/1 CORRUGATED WASHER
F 5029/2 SEEGER RING
F 502901 GEAR SCREW BEARING 5x13x4
F 503101 GEAR SCREW REGULATOR
F 5032 GREASE GEAR WHEEL CENTRAL PIN
F 5033 GREASER CAP
F 5034 GREASER
F 5036 SPACER
F 5037 GEAR WHEEL BEARING FIXING RING NUT
F5038 GREASE GEAR WHEEL BEARING
F 5040 GEAR WHEEL FIXING SCREW
CODE DESCRIPTION
BAT36 3.7V, 2400 mA Li-Ion®BATTERY
DK36 DOCKING STATION
CH36 100-240 V CHARGER EU PLUG
CH3601 100-240 V CHARGER US PLUG
l
WARNINGS
For an exploded diagram of spare parts with item codes, visit www.rasor-cutters.com
CODE DESCRIPTION
F 5042 BLADE FIXED RING NUT
F 5057 BLADE LOCKING PUNCH
F 5059 BLADE DISMANTLING KEY
F 5065 BASE FIXING SCREW
F 5066 WIRE CLIP FIXING SCREW
F 5067 WIRE CLIP
F 5068 CARBIDE FIXED BLADE WITH SPRING
F 5069 FIXED BLADE FIXING SCREW
F 5070 STEEL BASE
F 5070CPL COMPLETE BASE
F 5071 BLADE PROTECTION CASE
F 5071/1 BLADE GUARD FIXING SCREW
F 5074 DISC WITH EMERY
F 5074CPL COMPLETE SHARPENER
F 5075 SHARPENER BUSH
F 5076 WASHER
F 5077 SHARPENER SPRING Ø6mm
F 5078 SHARPENER SPRING Ø9mm
F 5079 SHARPENER BUTTON
F 5080 SHARPENER BUTTON FIXING SCREW
F 5082 GEAR WORM
F 5082CPL COMPLETE WORM
F 5083CPL COMPLETE GEAR WHEEL
F 5084CPL COMPLETE MOTOR MOUNT
F 5084SET COMPLETE CUTTING PART
FRNN504 COMPLETE SET OF NERA ACCESSORIES