Argus E25 MOD II - End-Position Limit Switch Adjustment; Setting Limit Switches in Manual Operation

Argus E25 MOD II - Operating Instructions
34
Withdraw the PCB assembly carefully
out of the body
CAUTION
The
surface of the operating shaft
must
not be damaged.
Replace the limit switch plate and reas-
semble in the reverse order to that de-
scribed above.
CAUTION
After
replacing the limit switch
plate,
the limit switches must be
readjusted.
 Make sure there are no hot or haz-
ardous media on the unit or in the
pipeline.
 Make sure the unit is disconnected
from all electrical power supplies.
 Make sure the plant is switched off
and secured against unauthorised
switching back on.
 Make sure the unit and valve, includ-
ing pipelines, have cooled so that
they are no more than hand warm.
 Wear suitable protective clothing and,
when necessary use suitable protec-
tive equipment.
ATTENTION!
Resetting
the end-position limit
switches
shall only be carried out
in
manual operation.

Therefore, use only a suitable
tool, e.g. a hand lever, and fol-
low the regarding “Emergency
manual operation”.

Whenever the end-position
limit switches are to be reset,
the unit together with the valve
must be removed from the
pipeline. To dismantle the
valve, observe the separate
operating instructions.

For setting the end-position
limit switches on units with
multi-way valves or valve
combinations, please contact
the manufacturer.
Setting the end-position limit switches
For work on the unit you need the follow-
ing tools:
 Hexagon keys to
EN ISO 4762/ISO 272
 Apply all safety measures as de-
scribed under “Connecting the unit”.
Open the unit’s cover and remove the
cover for the limit switch plate.
Move the unit to its “Open” position at
90° or 270°(or 0° or 180° for trans-
verse installation) with the aid of the
hand lever
(see the section “Emergen-
cy manual operation”)
. When setting
with the valve, set the position so that
the valve is fully open.
Loosen the socket set screw (4.16)