Samsomatic 3776 series, Mounting And Operating Instructions, Page: 19 / 60

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EB 8368 EN
Air connection
Fig. 9
Filter elements for air supply
To protect the pilot valve against dirt particles,
connection 9 for air supply is equipped with a
sieve, mesh size 100 µm, and a filter, pore size
30 µm.
The filter elements must be cleaned or replaced
when contaminated (see Fig. 9).
Cleaning/replacing the filter elements
1
Use a screwdriver (7 to 9 mm blade) to un-
thread the sieve
from the supply air con-
nection 9.
2
Clean sieve or replace it. Screw into the
supply air connection 9.
3
Undo two hexagon socket head screws
and two split washers . Remove connec-
tion block/booster valve from enclosure.
4
Pull filter out of connection bore.
5
Clean filter or replace it. Insert it into
connection bore. Make sure the seal is
correctly positioned.
6
Fasten connection block/booster valve to
the enclosure using two hexagon socket
head screws
and two split washers .
Make sure that the seals or and two
O-rings are positioned correctly.
Spare parts Order no.
Seal with restrictor
1890-3891
O-ring 6 1
0520-0496
Seal 12 2
0430-1134
Filter
0550-0653
Seal with ball
1890-3892
(only if one pilot valve is used)
Hexagon socket head screw
8333-1191
ISO 4762 – M 4 30
Split washer – form B 4
8392-0654
Sieve
0550-0213