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3.3
Support of reaction moment / Support points
Place DMA vertical and parallel to the axis of the bolt resp.
socket/adaptor.
6
DMA
support area
The DMA of the Torque Wrench must take the
reaction moment to the same level as the socket/
adaptor (6).
6
7
Correct torque reaction point in marked area only (7)
Fig. 2 - Examples: Support situations correct / incorrect
1
3
H-AX / H-AT
Tightening
(rotation CW)
3.4
An exchange will be necessary to change the rotating direc-
tion or damaged drive inserts (e.g. square drive AVS) with
other drive inserts from our accessories program.
Models H-AT: The push button (1) must be pressed to
change the drive square.
2
4
7
hydraulic torque wrenches
Support correct / incorrect alkitronic® H-AT
Fig. 2 - Description support positions
(1) Correct support position
(2) Reaction surface too small and out of the sup-
port area.
(3) Tilted reaction support out of the DMA sup-
port area - high hazard potential - must be strictly
avoided!
(4) Sharp-edged counter bearings may cause dam-
ages to the DMA.
Different levels of the bolting joint and the proper
support area can cause dangerous tilting moments.
This situation must be strictly avoided. If it occurs,
the max. torque of the tool must be reduced. If
there are any questions concerning such a situa-
tion, please contact your alkitronic® Partner or alki
TECHNIK GmbH for instructions, prior to use..
Replacement of square drive or other drive inserts
Push button (1)