Samson 3374, Инструкция по монтажу и эксплуатации, Страница: 27 / 68

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 specifications 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 Retrofitting limit contacts
To install the mechanical limit contacts, the
following retrofit 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 retrofitting of the limit contacts varies de -
pending on whether the actuator is fitted
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
Note Note