Maintenance; Cleaning The Restrictor; Cleaning Pneumatic Connections - Samson 611 Mounting And Operating Instructions

7 Maintenance

DANGER
!
Risk of fatal injury due to the ignition of an
explosive atmosphere.
Incorrect installation, operation or mainte-
nance of the i/p converter in potentially ex-
plosive atmospheres may lead to ignition of
the atmosphere and cause death.
Î The following regulations apply to instal-
lation in hazardous areas: EN 60079-14
(VDE 0165, Part 1).
Î Installation, operation or maintenance of
the i/p converter must only performed by
personnel who has undergone special
training or instructions or who is autho-
rized to work on explosion-protected de-
vices in hazardous areas.
The i/p converter requires no maintenance.
Î See section 8 for troubleshooting.
Fig. 18: Restrictor at the back
EB 6116 EN
EXHAUST (venting)
IP 54
OUTPUT

7.1 Cleaning the restrictor

The restrictor (see Fig. 18) is located inside
the enclosure. It can be accessed from the
back of the device.
1. Unscrew the screw plug (Ø10).
2. Remove the restrictor.
3. To remove blockages, take the filter out
of the restrictor and clean or replace it.
Component
Filter
Restriction including
filter
7.2 Cleaning pneumatic con-
nections
Î Unscrew plastic-rimmed filters. Clean or
renew them (order no. 0550-0213).
Restrictor
Maintenance
Order no.
0550-0193
1390-0186
37