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1. General instructions
NOTE: Do not use this torque wrench before reading these instructions. If the torque wrench does not
function properly, do not attempt to repair the torque wrench, but contact RAD Torque Systems B.V.
immediately
RAD electric torque wrenches are torque-controlled. Correct operation requires the following:
•
Impact sockets with locking pin and o-ring
•
Proper reaction arm with retaining ring
•
These torque wrenches contain metal components that can be dangerous in explosion hazardous
areas.
NOTE: The tool can be used with single-phase alternating current. It is grounded in accordance with
Class II VDE 0740 and CEE 20. The connection may also be provided by non-grounded electrical
outlets. The radio interference suppression meets EC Directive 82/499.
NOTE: Prior to use, check whether the supply voltage matches the operating voltage indicated.
The torque wrench may only be operated, calibrated or repaired by qualified personnel. The torque
wrench contains rotating objects. The use of this tool by untrained persons may result in serious injuries.
After performing 20,000 joints, the tool must be maintained, including lubrication of the multiplier. You will
receive this message every time you start the tool after reaching 20,000 joints.
2. Description of the functions
1. The torque wrenches of the MV-RAD series are high-capacity, clockwise and counter clockwise
rotating torque wrenches equipped with an automatic torque depending shutdown
2. The torque wrench is calibrated to a so-called medium-hard joint
3. The torque wrench responds to soft and hard joints. This also applies to mutual hard or soft joints
in different materials. Therefore, the torque wrench must be set to the proper value for each joint,
depending on the desired torque. The torque should be determined in advance, using a transducer.
4. To ensure that the tool reaches the pre-set torque, the relevant joint requires an angle of at least 90°
from the start of the tightening until reaching the torque. After reaching the set torque, the torque
wrench will switch off automatically.
5. For joints for which the tool is used to check the joint, the torque wrench will be loaded to maximum
capacity.
6. The torque wrench is not suitable for checking the torque. However, this is possible in combination
with our Smart Socket.
3. Setting direction of rotation
Only operate the rotational direction switch when the motor is at standstill, see Figure 1.
Upper position
Lower position
Centre position
Version 1.0 - June 2015
=
Tightening
=
Loosening
=
Transportation position, on/off switch
Figure 1
User manual MV-RAD
3
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