A.4 Tightening procedure
Tighten fastening screws to the specified tightening torque in accordance with the following
table:
Table A-7 Tightening procedure
Scatter of the torque applied
at the tool
Tightening procedure
(As a rule, the tightening procedures listed are within the specified tool
torque scatter)
±5 %
● Hydraulic tightening with mechanical screwdriver
● Torque-controlled tightening with a torque wrench or a torque
wrench that gives a signal
● Tightening with a precision mechanical screwdriver with dynamic
torque measurement
The tightening torques apply to screws/bolts with untreated surfaces that are not oiled or are
only lightly oiled, and for screws/bolts that are used with a liquid screw locking agent in
accordance with these instructions. Use with lubricant paint or lubricant is not permitted.
A.5 Flexible elements (12)
A.5.1 Use and storage of flexible elements (12)
Note the following concerning the use and storage of the flexible elements (12):
● Storage possible for up to 5 years
● Protect against direct sunlight, artificial light with a high UV‐content and extreme
temperatures
● Avoid contact with aggressive media
● Only replace complete sets
● Only use flexible elements of the same type and age
Technical data
A.4 Tightening procedure
N-EUPEX / N-EUPEX DS 3100en
64 Operating Instructions 10/2017
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