M-PT MV-RAD Manuel utilisateur

M-PT Matjeschk-PowerTools GmbH & Co. KG mail@m-pt.de Tel.: +49 (0) 35 796 / 9760

Am Saegewerk 11 www.m-pt.de Subject to technical modifications!

01920 Ralbitz-Rosenthal Status 07/2022

User Manual

MV-RAD

 
MV-RAD 
Page 2 
Introduction 
Electric torque drivers of the MV-RAD series represent high quality tools designed for 
tightening, detaching and inspection of bolted connections. Users should carefully read this 
manual before starting to work. As this document has to be considered as an integral part 
of the equipment, it should remain available in its surroundings until the end of its lifetime. 
In case of any supplementary questions, do not hesitate and consult our factory service. 
 
Patent right and copyright must be respected. Distribution, reproduction and transmission 
to third parties are not admissible. 
Table of Contents 
 
Introduction________________________________________________________________________ 2 
Table of Contents __________________________________________________________________ 2 
Manufacturer_______________________________________________________________________ 4 
EU Declaration of Conformity ____________________________________________________ 4 
Safety Notes _______________________________________________________________________ 5 
1. General Remarks _______________________________________________________________ 5 
2. Surroundings___________________________________________________________________ 5 
3. Electrical Safety ________________________________________________________________ 5 
4. Safety of Personnel ____________________________________________________________ 5 
5. Absence of Damages___________________________________________________________ 5 
Scope of delivery___________________________________________________________________ 5 
Product Identification ______________________________________________________________ 6 
Specification _______________________________________________________________________ 6 
Detailed Description________________________________________________________________ 6 
1. Start-up________________________________________________________________________ 6 
2. Initial Steps ____________________________________________________________________ 6 
3. Switching ON __________________________________________________________________ 7 
4. Main Screen____________________________________________________________________ 7 
5. General Procedure _____________________________________________________________ 7 
6. Setting the Torque _____________________________________________________________ 7 
7. Units ___________________________________________________________________________ 7 
8. Adjustment of Follow-up Rotary Angle _________________________________________ 8 
9. Preselections___________________________________________________________________ 8 
10. Advanced Menu______________________________________________________________ 9 
11. Limits __________________________________________________________________________ 9 
12. Bolt Counter ________________________________________________________________ 10 
13. Adjustment Lock____________________________________________________________ 10 
14. Point Calibration ____________________________________________________________ 11 
15. Languages __________________________________________________________________ 11 
16. Prove Program ______________________________________________________________ 11 
17. Bolt Documentation System_________________________________________________ 12 
18. Set Date and Time __________________________________________________________ 12 
19. Identification of a Operator__________________________________________________ 13 
20. Total and Maintenance Counter _____________________________________________ 13 
21. Device Information __________________________________________________________ 13 
22. Diagnosis ___________________________________________________________________ 13 
23. Key Lock____________________________________________________________________ 13 
Support for Reaction Arm _______________________________________________________ 14 
PC-Software MV-RAD-Datalogger _______________________________________________ 15 
1. Add the electric torque driver as Bluetooth-Device under Windows____________ 15 
2. Software Installation in Windows ______________________________________________ 15 
3. Software Set-up_______________________________________________________________ 15 

 
MV-RAD 
Page 3 
4. Read-out of Data______________________________________________________________ 15 
5. Saving and Print of Data ______________________________________________________ 15 
6. Synchronization of the Clock __________________________________________________ 15 
Trouble-Shooting _______________________________________________________________ 16 
1. Message “Voltage Fault” ______________________________________________________ 16 
2. Message “Sensor Fault” _____________________________________________________ 16 
3. Message “Insert SD Card” ___________________________________________________ 16 
4. Instead of letters, the display shows merely lines_____________________________ 16 
5. Incorrect Date and Time_____________________________________________________ 16 
6. Adjustment of Minimum or Maximum Torque Impossible_____________________ 16 
7. No Reaction to Key Commands _____________________________________________ 16 
8. No Reaction to Start Button _________________________________________________ 16 
9. In left-handed rotation, bolts are not detached ______________________________ 16 
10. Error Message after Completion of Bolting___________________________________ 16 
Accessories _____________________________________________________________________ 17 
1. Tool Suspension ______________________________________________________________ 17 
2. Extension Pieces ____________________________________________________________ 17 
3. Sockets and Securing Pins __________________________________________________ 17 
Disclaimer_______________________________________________________________________ 17 
Maintenance / Service___________________________________________________________ 17 
1. General Remarks ______________________________________________________________ 17 
2. Visual Inspection ____________________________________________________________ 17 
3. Service Intervals ____________________________________________________________ 17 
4. Spare Equipment____________________________________________________________ 18 
5. Calibration __________________________________________________________________ 18 
6. Manufacturer’s Address _____________________________________________________ 18 
Product Overview _______________________________________________________________ 19 
 

MV-RAD

Page 4

3. Manufacturer

M-PT Matjeschk-PowerTools GmbH & Co. KG

Am Saegewerk 11

01920 Ralbitz-Rosenthal

Germany

Phone: +49 (0) 35796 / 9760

E-Mail: mail@m-pt.de

4. EU Declaration of Conformity

We M-PT Matjeschk-PowerTools GmbH & Co. KG

Am Saegewerk 11

01920 Ralbitz-Rosenthal, Germany

Declare under our sole responsibility that the product

Product Name: Electric Torque Wrench

Series: MV-RAD

is in conformity with the provision of the following EU standards and directives:

- DIN EN 55014-1:2018-08

- DIN EN 55014-2:2016-01

- DIN EN IEC 61000-3-2:2019-12

- DIN EN 61000-3-3:2020-07

- DIN EN 62841-1:2016-07

- DIN EN 62841-2-2:2015-05

acc. to directives 2006/42/EG, Appendix II A

2014/53/EG.

Ralbitz-Rosenthal, 29.04.2021

MV-RAD

Page 5

5. Safety Notes

5.1. General Remarks

•Safety of personnel and trouble-free operation can only be warranted with original

M-PT components installed. This relates to all elements of the device, accessories

and spare parts. M-PT does not assume any responsibility and rejects all

corresponding claims in the case of unauthorized installation of foreign parts.

5.2. Surroundings

•The working zone must be clean and sufficiently illuminated.

•The equipment is not appropriate for environment requiring ATEX instrumentation,

i.e. the presence of corresponding liquid, gas or dust in proximity of the working

zone is strictly forbidden. Sparks could give rise to fire hazard.

•Local legislation and regulations for prevention of accidents must be observed.

5.3. Electrical Safety

•The connector of the tool must match the socket in place. Manipulations are not

admissible.

•The tool has not been designed for applications in wet environment (rain, extreme

moisture etc.).

•With respect to the cable, generally known rules must be followed (prevention of

excessive stress, heat, abrasion or damage caused by sharp edges or moving

machine components).

•For outdoor applications, also extension cables –whenever used- must meet the

same requirements.

•If operation in humid environment cannot be avoided, a fault current circuit breaker

is imperative.

5.4. Safety of Personnel

•Persons not participating in the procedure in question should be kept away, in order

not interfere in the work.

•Tools should be stored protected from unauthorized access.

•The tool should not be left to persons, unconscious of possible danger, or not

knowing this manual.

•Protective equipment is required.

5.5. Absence of Damages

•Before starting to work, the entire equipment must be inspected.

•In case of any damages, first repair must be performed –by qualified specialists and

by means of original spare parts.

•This is particularly valid in the case of defective switches.

•At the end of the work or before exchanging components, the device must be

disconnected from mains.

6. Scope of delivery

•Electric torque driver, ready-to-use

•Reaction arm with retaining ring

•User manual with EU declaration of conformity

•Calibration certificate

•Storage case

MV-RAD

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7. Product Identification

The type plate with tool designation and serial number is illustrated below.

8. Specification

See type plate and test certificate.

9. Detailed Description

9.1. Start-up

•The instrument is delivered ready-to-use.

•Components and accessories to be added should not impair function and safety of

the tool.

•Mains voltage and frequency are specified on the type plate.

9.2. Initial Steps

1. First the reaction arm (2) has to be plugged onto the toothed wheel work (1), as

illustrated.

2. In order to secure the reaction arm, insert the locking ring (3) into the

corresponding groove of the gearing.

3. The socket (4) has to be shifted onto the integrated square drive bolt. Only sockets

with standard square opening, acc. to DIN 3121 should be used.

4. Secure the assembly by pin (5).

5. The pin itself has to be secured as well (from falling out), by means of retaining ring

(6).

6. The device can be connected to the mains.

MV-RAD

Page 7

9.3. Switching ON

After initialization, the screen displays time and date together with the file

currently open. If date and time require adjustment, refer to chapter 9.18.

The screen has to be confirmed by pressing key M.

Note that the screen appears only in the case of bolt documentation system

enabled.

9.4. Main Screen

•Upper left: Current sense of rotation

•Upper right: Model (“34” designates the MV-RAD 34 series.)

•Center line: Current set value of torque

•Lower line: Set value for angle of rotation

•The last result still remains on the display for 10 sec. after completion

of the bolting process.

•In the case of bolting failure, the color of displayed

values changes to red. The fault can be

acknowledged by any key.

9.5. General Procedure

•Settings have to be entered by keys (M),

(↑) and (↓) (1).

•Sense of rotation is determined by selector switch

(2).

•Initiate rotation by start button (3).

9.6. Setting the Torque

•The last torque in use is shown immediately after switching ON.

•Default value is 0 Nm.

•The sense of rotation is displayed at the upper left corner (as explained above).

•The device type appears at the upper right corner.

•Adjustment of torque is enabled by key M.

•The torque value display changes to yellow.

•Increase or decrease the value by keys ↑and ↓.

•To speed up adjustment, press and keep pressed the corresponding key (↑resp. ↓).

•To confirm the setting, press Mone more time.

•The torque value from now on is shown in white.

9.7. Units

•The torque unit can be chosen in the Settings option of the Advanced Menu and

then selecting the unit desired.

•The following possibilities are available:

·Newtonmeter –Nm

·Foot-pound –ft/lbs

·In 100 steps (for fine tuning, consult factory service).

•Recalibration after change of units is not necessary.

•For working in step mode, a torque table is available, consult factory service.

MV-RAD

Page 8

9.8. Adjustment of Follow-up Rotary Angle

•A follow-up rotary angle can only be adjusted, if this feature has been enabled in the

Advanced Menu (Extended), as explained in section 9.10.

•Set-up takes place in the main screen, as illustrated below:

•First the torque itself is adjusted after pressing key M. This procedure has already

been explained in section 9.6.

•After confirmation of the torque value (by key M), adjust the angle by keys ↑und ↓.

•Press Mone more time to confirm the angle setting.

•Note that the angle can only be adjusted within the range between 10° and 360°.

•As soon as the torque exceeds the maximum torque of the tool, the unit

automatically switches OFF (refert to specification, section 8).

9.9. Preselections

•Up to 10 preselections defined by the user can be stored.

•For standardized HV connections, preselections are stored as well, but cannot be

modified. (HV relates to high-strength prestressed bolts).

•Press Mfor a longer time, to open main menu.

•Press Magain, to gain access to the menu of preselections (Preset).

•Choose between user defined Customerpreset and default HV preselections.

•The following parameters are shown:

·Order number of preselection

·Name

·Torque (see point 9.6)

·Follow-up Rotary Angle (point 9.8)

·Limits for final torque (point 9.11)

·Bolt Counter (point 0)

·Program type selected (Normal or prove program, refer to point 9.16)

•Call up the preselection desired by means of ↑and ↓.

•Pressing key Mopens a menu with the following options:

•„Accept“: The displayed preselection is accepted as the

current setting for the bolting process.

•„Overwrite“: Data of the displayed preselection are modified,

i.e. overwritten by the current settings.

•„Cancel“: Return to displayed preselection.

MV-RAD

Page 9

•„Back “: Return to Preselection menu.

•Press „Back“ again to return to the main screen.

•HV preselections however are fixed and cannot be modified. They are displayed in

conformity with the torque range available for the model concerned.

•Default tightening torques for HV bolts relate to the modified torque method acc. to

DIN EN 1993-1-8 for k-class K1.

9.10. Advanced Menu

•Access to Advanced Menu (Extendet) requires password entry. The default code is

„17580“.

•If this code is intended to be modified, open “Password”, accessible in the main

menu.

•In the Advanced Menu, the following options are provided:

·Advanced functions:

▪Activation of follow-up rotary angle (refer to point 9.8)

▪Activation of limits (point 9.11)

▪Activation of Bolt Counter (point 9.12)

▪Point calibration (point 9.14)

▪Selection of units (point 9.7)

▪Language (point 9.15)

·System Release (consult factory service)

·Bolt Documentation System (point 9.17)

·Lock Advanced Menu

9.11. Limits

•Before specifying limits themselves, activate this function in the Advanced Menu:

•Limits can be defined to each final tightening torque.

•For pure torque tightening, limits can be assigned to angles. This angle is counted

up from minimum torque of the device.

•For torque-rotary angle tightening however, limits apply to the final torque.

•These limits can be entered in the main screen, after completion of setting for

torque and follow-up angle:

•Limits have to be confirmed by key M.

•During storage of the preselection, limits are saved as well (refer

to point 9.9).

MV-RAD

Page 10

•In the course of the process, infraction of limits is clearly visible on the screen.

•The tool can be unlocked again by pressing any key.

9.12. Bolt Counter

•The bolt counter is enabled or disabled in the Advances Menu as well.

•Setting takes place again in the main screen:

•Once enabled, set the counter to any value between 1 and 999.

•The counter reacts to all successful bolting procedures carried out in right-handed

rotation.

•After arrival at the selected number, the tool automatically is locked. To restart

operation, proceed as follows:

·Choose a new number or

·Disable the counter

•If during an activated run the tool is disconnected from the mains, it restarts from

the current position after switching ON (i.e. the progress is stored in non-volatile

memory).

•To avoid double counting of bolts tightened already beforehand (by erroneously

selecting a corresponding bolt a second time), it is recommended to use the counter

together with the limit function (point 9.11), and e.g. to set for torque tightening the

lower test angle to 10°.

9.13. Adjustment Lock

•The adjustment lock is enabled or disabled in the Adavaced Menu as well.

•If the adjustment lock is activated, the torque can not be changed.

•Only the saved presets (point 9.9) can be selected.

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