EB 8139 EN
23
Servicing
−
The product warranty becomes void if ser
-
vice or repair work not described in these
instructions is performed without prior
agreement by SAMSON's After-sales Ser
-
vice department.
−
Only use original spare parts by
SAMSON, which comply with the original
specifications.
7.1 Replacing the gaskets
1.
Position a 26 mm open-end wrench on
the valve bonnet (10) and unscrew the
entire actuator including the valve bonnet
from the body (1).
2. Remove the body gasket (31). Carefully
clean the sealing faces in the valve body
(1) and seat bore.
3. Unscrew the countersunk screw (51) us-
ing a 3 mm screwdriver, while holding
the plug/actuator stem (14) stationary at
the flattened part with an 8 mm open-
end wrench.
10
31
14
51
42
28
1
Body
10
Valve bonnet
14
Plug (with plug/
actuator stem)
28
PTFE seal
31
Body gasket (seal)
42
Plug disk
51
Countersunk screw
Fig. 4:
Replacing the gaskets
