Atlas Copco 8431080042 Istruzioni per il prodotto - Pagina 8
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The torque reaction bar must be shaped to fit a suitable fixed support. To avoid overloading of the bear-
ings for the tool drive and of the reaction bar, the point of contact on the reaction bar should be
within the shaded area (F), see Fig. A.
Adapt and use the torque reaction bar as follows:
1.
Measure the distance (L) for the hexagon sleeve to be used. Mark out points (A and B) on a sheet of
paper.
2.
Consult Table No.1 to find the angle (α) applicable to the diameter (D) of the machine and the tight-
ening torque in question. Draw a line from point (A) in angle (α) from the centre line (A – C).
3.
Draw a line (B – E) at right angles (90
ing at point (B), draw two lines at angles of +15
4.
Mark the area (F) between the drawn lines.
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EN
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to the centre line (A – C) of the machine from point (B). Start-
o
and -15
© Atlas Copco Industrial Technique AB - 9839 1764 01
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respectively from the marked 90
LTP61 H700-25
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-line.