Samson 3374 - Installing the Control Valve into the Pipeline; Installing Additional Equipment; Retrofitting Limit Contacts

EB 8331-3 EN 5-7
Installation
5.4 Installing the control valve
into the pipeline
Î Install the valve into the pipeline accord-
ingthespecicationsinthemounting
and operating instructions of the valve.
5.5 Installing additional equip-
ment
Risk of fatal injury due to electric shock.
Î Before installing electrical accessories,
switch off the supply voltage and protect
it against unintentional reconnection.
Î Disconnect the signal line.
5.5.1 Retrotting limit contacts
To install the mechanical limit contacts, the
followingretrotkitsarerequireddepending
on the equipment (see Annex):
− Basicunit:
Orderno.1400-8829(seeFig.5-10)
− Mechanical limit contacts:
Orderno.1402-0898(seeFig.5-11)
The retrotting of the limit contacts varies de-
pending on whether the actuator is tted
with resistance transmitters or not.
− Actuators without resistance transmitters:
see page5-9.
− Actuators with resistance transmitters: see
page5-11.
DANGER
!
Note
We recommend applying a small amount of
lubricant (e.g. Vaseline) to the spindles on
the gear faces and to the sides of the cogs.
To undo the screws on the housing cover, use
a POZIDRIV
®
PZ2 screwdriver to get enough
hold on the screw heads.
The contact cams (19, Fig.5-11 on page
5-8) are ready-mounted to the cam holder
(20) and the retaining rings (9) to form the
contact cam unit (21, see Fig.5-14 on page
5-11).
Tip
Note
NoteNote