joke ENESKA mobile 3 User manual

Instruction Manual
Cordless grinding system set
ENESKA mobile 3 and 4
Order no.: 0 006 850 and 006 950

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List of contents
1 List of contents Page 02
2 Tips on using the manual Page 02
3 Safety instructions Page 03
4 Warranty / Identification Page 04
5 Purpose of use Page 05
6 Technical data Page 06
7 First start-up Page 06
8 Care and maintenance Page 08
9 Troubleshooting Page 08
10 Conformity declaration Page 09
11 Telefax form Page 11
Tips on using the manual
We congratulate you on purchasing this device.
This manual has been written for the device user to ensure a problem-free operation, care and
maintenance. Important instructions and information concerning safety and operational reliability
have been highlighted.
The symbols used in the manual have the following meanings:
The illustrations and diagrams are numbered in sequence within each chapter. Some of these
illustrations have keys. References to illustrations within the text e. g.
5.1 = Figure 5.1
2 = Position 2 in the key to the figure.
Our service department is available at all times in case of technical problems not addressed in
this manual:
Telephone [phone] / 8 39 - 0
Telefax +49 (0) 22 04 / 8 39 - 60
Email [email protected]
Web www.joke.de
Working and operating processes which must be observed to the letter to exclude any risk to
persons and avoid damage to the device.
Technical information to which the device operator must give special attention.

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Safety instructions
This device has been built according to the latest technical standards and generally accepted
safety regulations. Nevertheless, it can constitute danger to life and limb for operator or third
parties and a hazard to the device itself or other equipment during use.
1. Only use the device if in perfect working order and for its intended purpose. You must
always pay attention to the instruction manual and safety instructions therein and be
aware of the risks! Repair any faults which could affect the device’s safety immediately
by yourself or have these repaired.
The device is designed exclusively for grinding, milling and polishing with the tools
listed and approved in the joke catalogue. Any other use will be deemed to be contrary
to its intended purpose. The manufacturer cannot be held liable for any resulting dama-
ges. The risk is borne solely by the user. Correct use also includes compliance with the
instruction manual and an observation of the care and maintenance conditions.
2. Keep the instruction manual handy at the device’s place of use.
3. Pay attention to and observe generally applicable statutory and otherwise binding regu-
lations relating to accident prevention and environmental protection in addition to the
information provided in the instruction manual and instruct personnel accordingly!
4. All personnel commissioned to work on or with the device must have read this instruc-
tion manual, and particularly the safety instructions chapter, before starting work. This
applies especially for personnel who only work with the device occasionally.
5. Stop the device immediately should you notice changes to the device or its operating
behaviour that are relevant to its safety. Have these remedied before restarting work.
6. Do not carry out any modifications, additions or conversions to the device! This also
applies to the installation and adjustment of safety equipment.
7. Spare parts must meet the technical requirements specified by the manufacturer. This
can only be guaranteed with original joke spare parts.
8. Any work on/with the device may only be carried out by qualified, appropriately trained
and authorised personnel. Pay attention to minimum statutory age limits!
9. Wear safety goggles when working with the handpiece
10. Personnel undergoing training or in a general apprenticeship should only be allowed to
work with the machine under the constant supervision of an experienced operator!
11. Restrain from any type of work that could jeopardise your safety.
12. The device may only be used if all protective and safety equipment is in place and in
proper working order.
13. Do not leave the device unattended when switched on!
14. Stop and secure the device immediately in the event of malfunctions! Faults must be
remedied at once.
15. Take care that the device does not come into contact with inflammable material, liquids
and gas.

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Warranty / Identification
joke Technology GmbH warrants the correct manufacture of every joke product which is deli-
vered in accordance with the terms of contract and delivery.
This warranty does not cover damages caused by normal wear and tear, incorrect handling,
negligent use, the fitting of non-original spare parts, inadequate care and/or a failure to comply
with this technical manual.
The device may only be used by appropriately trained personnel. If it is not, all warranty claims
will be forfeited according to the terms of delivery.
Device identification
The manufacturer’s code and type code, CE label and series number can be found on the under-
side and in case of the handpieces and motors, on the housings.
Disposal
Ensure that the device is properly disposed of and is under no circumstances
placed in domestic waste.
16. A slight increase in temperature of the control unit may occur while the battery is being
charged.
17. It is normal for the surface temperature of the handpiece to be 10 - 20° C higher
than room temperature. 60° C may be reached inside the motor. These celsius values
should not be exceeded depending on the working conditions. The device must be
immediately switched off if the handpiece or motor overheats.
18. Avoid direct sunlight and hot air flows from air conditioning systems.
19. The ventilation slots on the side of the control unit must not be covered; otherwise the
warmed air inside the device cannot escape.

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Fig. 5.1 Complete set overview
Purpose of use
The ENESKA mobile 3 and 4 mobile grinding system is used in tool making and mould building and
in mechanical workshops for fine surface finishing.
The set provides you maximum mobility during daily work. Well protected in the case, the grin-
ding device can be taken anywhere. Large workpieces can be processed directly on site.
The environment-friendly lithium ion storage battery allows a working time of up to 10hours. It
allows simultaneous charging and working with no trouble at all.
The mobile system features clockwise and anticlockwise running and infinite speed control.
1 - Motor socket of the control unit
2 - On/off switch
3 - Speed selector
4 - Rotation direction reversing switch
5 - Green indicator light
6 - Motor handpiece with cable
7 - Control unit
8 - Power supply unit/charger

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• brushless direct-current (DC) motor
• modern high-output 14.8 V lithium ion storage battery without memory eff ect
• clockwise/anticlockwise running
• charging and ready indicator
• digital control with safety cutoff
• high torque with max. 7.8 N/cm at the motor shaft
• ENESKA 3 and 4 motor connection - for screw-fi tting all handpieces
of the ENESKA 3 and 4 series
Set consisting of:
1 x motor with motor cable
1 x control unit with storage battery
1 x charger
Handpieces and storage case (order no. 0 006 851) not included in scope of delivery!
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Technical data
ENESKA mobile 3 and ENESKA mobile 4 cordless grinder
Speed 1000 - 40,000 rpm
Period of use up to 10 hours
Charging time 120 minutes
First start-up
1. Stand the control unit at a suitable safe, dry place. The ambient temperature should be
between 0° and +40° C and relative humidity should be between 10 and 85 %.
2. Once the control unit has been fully charged, remove the charger. Connect the motor to
the control unit (5.1.7).
3. The device must be switched on at the on/off switch (5.1.2). The green indicator light
(5.1.5) illuminates.
4. The direction of rotation of the motor handpiece is changed by operating the rotation
direction reversing switch (5.1.4).
The max. speed in the clockwise or anticlockwise direction is always 40,000 rpm.

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1 - Motor socket of the control unit
2 - On/off switch
3 - Speed selector
4 - Rotation direction reversing switch
5 - Green indicator light
Fig. 7.1 Control unit front view
Fig. 7.2 Control unit side view
1 - Charging socket for the power supply unit
5. The corresponding motor handpiece is connected to the control unit motor socket on
the front of the device. The connector locks automatically.
IMPORTANT: the red dot on the connector must line up with the red dot on the socket!
Simply pull the handpiece out of the socket to release.
6. The handpieces are screwed on to the motor (7.3.). Be sure to pay attention to the cor-
rect motor connection configuration: ENEKSKA 3 = (-) and ENESKA 4 = (+).
Only exert moderate force when screwing on the handpiece. Rotate the carrier axle on
the collet if necessary until the connection engages.
The max. speed must not exceed 40,000 rpm.
Fig. 7.3 Changing the tool for the handpiece

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Motor overload protection
Fig. 7.3 Changing the tool for the handpiece
Charging the storage battery
Switch the device off. The charging process is initiated by plugging the power supply unit into the
charging socket (7.2.1). The green charging indicator light on the power supply unit flashes. The
charging process is complete when the light (7.1.5) glows green continuously.
A fault is present if the indicator light flashes red. Check the connection or the cable.
It is possible to continue operating the motor handpiece when the power supply unit and the
mains cable are directly connected to the control unit.
The integrated electronics shut down the motor automatically in case of motor overload. The
green motor light goes out. The motor is immediately ready for use again by operating the on/off
switch (7.1.2).

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Device Description Cause and solution/help
Handpiece Storage battery is char-
ged but motor does not
run.
• Reconnect the connecting cable to the control unit
• Motor cable is faulty; replace motor cable
• Motor is faulty; send in to joke for repair
• Collet on the rapid-chuck handpiece open; close collet
Motor stops every
2 to 3 seconds or does
not run at full power
• Storage battery faulty; replace battery
Storage is charged, but
motor does not run or
keeps stopping
• Storage battery faulty; replace battery
• Motor cable is not properly connected; connect cable
Battery Storage battery is not
recharged or storage
battery is charged but
motor does not run
• Power supply unit cable is faulty; replace cable
• No power supply unit cable connection; check connection
• Speed controller is faulty; replace controller
• Not a standard charger/power supply unit; only use an origi-
nal power supply unit/charger
Troubleshooting
Care and maintenance
Control unit
The control unit is maintenance-free. Only clean it with a dry, soft cloth.
Handpiece
Pay attention to cleanliness of the thread turns when changing the handpiece.
Clean the contact surface when changing the tool.
Pay attention to utmost cleanliness when changing the collet and only use the keys provided.
Motor
All the micromotor bearings are encapsulated and lubricated for life.

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Conformity declaration
applies if this equipment is operated as independent machine.
We, joke Technology GmbH
D-51429 Bergisch Gladbach
Asselborner Weg 14-16
hereby declare, at our sole responsibility, that the product in conjunction with handpiece and
motor
Designation: ENESKA mobile cordless grinder
Type designation: 3 and 4 , serial no....................................................
meets the regulations of the European directives and the standards referred to therein:
2014/35/EU • Low Voltage Directive
2014/30/EU • EMC Directive
EN 61010-1 • Safety rquirements for electrical equipment for measurement, control and labora-
tory use, part 1
EN 61326-1 • Electrical compatibility (Electrical equipment for measurement, control and laboratory
use - Part 1
in accordance with the version in force on the date of issue.
Technical documentation is completely available.The operating instructions belonging to it are in
the language of the land of fabricants and user.
Authorised for documentation:
Kerstin Otto, joke Technology GmbH, Asselborner Weg 14-16, D-51429 Bergisch Gladbach
Authorized signatory:
Udo Fielenbach, joke Technology GmbH, Asselborner Weg 14-16, D-51429 Bergisch Gladbach
Udo Fielenbach, Managing Director _______________
Signature of authorized person
Bergisch Gladbach, 25th April 2016
This declaration is in accordance with DIN EN 45014.

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ENESKA mobile 3 cordless grinder, for ENESKA 3 series handpieces Order no. 0 006 850 q
ENESKA mobile 4 cordless grinder, for ENESKA 4 series handpieces Order no. 0 006 950 q
Storage case Order no. 0 006 851 q
q
q
q
q
q
q
Date Signature
To
joke Technology GmbH
Service Department
Fax [phone] / 8 39-60
Sender:
Company
Name/Department
Customer no.
Street
Postcode town/city
Please send us the spare parts drawing with the spare parts list for the following equipment:
as a printout (see address above),
by Fax,
as a pdf file to my e-mail address

Surface Technology
Oberflächentechnik
joke Technology GmbH
Asselborner Weg 14 -16
D-51429 Bergisch Gladbach
Tel. [phone] / 8 39-0
Fax [phone] / 8 39-60
Email [email protected]
Web www.joke.de
Online-Shop www.joke-technology.de
© Copyright joke Technology GmbH • February 2016 • Subject to changes due to technical progress, inaccuracies
and printing errors • Reprinting, even in part, only subject to prior written consent.
Brilliant solutions for perfect surfaces
Order no. for operating manual: BA2072GB