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BA 5030 en 02/2013
For any transporting and lifting the shrink disk a suitable lifting device must be used!
Make sure that the shrink disk cannot slip off the hollow shaft.
Do not tighten the tensioning bolts (5) until the stub shaft is installed too.
• Tighten the tensioning bolts (5) gradually one after the other, working round several times by quarter
turns.
• Tighten all tensioning bolts (5) until the end faces of the inner ring (3) and the outer ring (4) are flush and
the maximum tightening torque of the tensioning bolts has been achieved. The correct alignment is to
be checked using a ruler. The max. tolerance is ± 0.2 mm.
The correct clamping condition can thus be checked visually.
To avoid overloading the individual bolts, the maximum tightening torque
(see table 18) must not be exceeded. If, when tightening the clamping bolts at
max. tightening torque, the inner and outer ring are not aligned, Siemens must be
consulted.
Table 18: Maximum torques for tensioning bolts
Tensioningbolt
thread
max. tightening torque
per bolt
Tensioningbolt
thread
max. tightening torque
per bolt
Strength class 12.9
Nm
Strength class 12.9
Nm
M 8 35 M 20 570
M 10 70 M 24 980
M 12 120 M 27 1450
M 14 193 M 30 1970
M 16 295 M 33 2650
The shrink disk has been identitymarked on the outer ring (4). For any inquiries this
identification must be referred to.
For safety reasons, the protective cover supplied should be mounted above the shrink
disk!
Only the complete shrink disks supplied by the manufacturer may be used. Combining
components from different shrink disks is not permitted.
Tightening the fastening bolts using an impact screwdriver is not permitted!
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