Samson 3755, Монтаж и эксплуатация, Страница: 21 / 32

EB 8393 EN 21
Mounting and start-up
Malfunction due to dirt blocking the volume
booster.
No substances must be allowed to enter the
device during mounting, transport or stor-
age.
5.1 Mounting position
Type 3755-1:
Î
The mounting position with the exhaust
side facing upward is not permissible!
Î
Mount the volume booster with the ex-
haust air side facing downward or to the
side.
Î
If the volume booster can become cov-
ered in snow, iced up or dirt can collect
in the device, it must be mounted with
the exhaust side facing downward or
protected by a suitable fixture/cover.
Type 3755-2:
The permissible mounting position depends
on which exhaust connection is used.
Î
Any mounting position of the volume
booster can be used when the exhaust
port is attached to a pipe.
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When a screwed-on silencer is used,
read section 3.3 on page 12.
5.2 Pneumatic connections
The air connections for signal , supply , actu-
ator and the flanged-on threaded exhaust
port of Type 3755-2 are designed with G or
NPT threads (see article code on
page 8).
− The tapped holes with G threads corre-
spond with the Form X of DIN 3852-2 in
the normal version.
− The tapped holes with NPT threads are
designed according to ANSI/
ASME B1.20.1 for mounting using a
wrench.
Additional points that apply concerning the
connections:
Î
Before mounting, all pipes must be free
of dirt and foreign matter.
Î
Mount the screw fittings properly using
suitable tools and sealant to prevent
thread galling (seizure).
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The use of Teflon tape as a sealant for
the fittings is not permitted.
Î
All screw fittings must be securely tight -
ened.
NOTICE !