Samson 611 - 7 Maintenance; Cleaning the Restrictor; Cleaning Pneumatic Connections

EB 6116 EN 37
Maintenance
7 Maintenance
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.
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lterout
of the restrictor and clean or replace it.
Component Order no.
Filter 0550-0193
Restriction including
lter
1390-0186
7.2 Cleaning pneumatic con-
nections
Î Unscrewplastic-rimmedlters.Cleanor
renew them (order no. 0550-0213).
DANGER
!
Restrictor
EXHAUST(venting)
IP54
OUTPUT
Fig.18: Restrictor at the back