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6 Installation
The installation of the vibrators must only be carried out by authorised, quali-
fied personnel.
The qualified personnel must use only tools which are suitable for the
IMPORTANT
application.
During installation please comply strictly with the safety regulations in chapter
2 and the accident prevention rules!
Installation of the system must be performed in compliance with the local,
applicable regulations (e.g. VDE-regulations).
IMPORTANT
6.1
Fastening of the vibrator
Netter electric external vibrators can be operated in any position.
During installation the following instructions must be strictly observed:
The mounting surfaces must be abso-
lutely level (± 0.1 mm flatness fault),
so that the feet of the vibrators have
full area contact and to avoid warping
of the housing when tightening the
fastening
should also be free of any paint resi-
dues and weld penetrations. Ten-
sions in the housing can cause me-
chanical and/or electrical damage.
WARNING
For safe fastening we recommend the use of Netter NBS screw connections
consisting of screw, special lock washer and, if necessary, nut.
The vibrators can also be fastened with fastening screws of quality 8.8
(DIN 931 or 933). These must be locked with qualified locking devices and re-
tightened at regular intervals (normally every month).
The tightening torques can be taken
from the following table. Higher
tightening torques may cause frac-
ture of screws or tearing of threads.
Inadequate screw connections may
WARNING
cause loosening of vibrators by
vibration. This can cause damage to
persons and material!
Recommended average tightening torques for fastening screws
(screws as supplied, without additional lubrication):
Type of screw
8.8 Tightening torque [Nm]
Use a torque wrench and tighten the screws in a crosswise pattern.
screws.
The
surfaces
M4 M5
M6
3
6
10
M8 M10 M12 M14 M16 M18 M20 M24
23
48
80
11
130 190 270 380 650
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