Samson 3510 Series - Replacing the Gasket

EB 8091 EN 9-7
Servicing
9.4.1 Replacing the gasket
a) Standard version
See Fig.9-1
1. Loosen the slotted nut (11) at the valve.
Remove the yoke (13) from the interme-
diate piece (4).
2. Unscrew the llister head screw (6) on
the anti-rotation xture (2.4). Remove the
anti-rotation xture (2.4) from the inter-
mediate piece (4).
3. Unscrew the intermediate piece (4) from
the body (1). Remove the intermediate
piece (4) together with plug (2.1) from
the body (1).
4. Remove gasket (2.3). Carefully clean the
sealing faces in the body (1) and on the
intermediate piece (4).
5. Insert a new gasket (2.3) into the body.
6. Apply a suitable lubricant to the thread
of the intermediate piece.
7. Place the intermediate piece (4) together
with the plug (2.1) onto the body. Use a
suitable tool to screw it into the body (1).
Observe tightening torques.
8. Push the anti-rotation xture (2.4) over
the intermediate piece (4) and x it in
place with the llister head screw (6).
9. Place the yoke (13) onto the intermediate
piece (4) and secure with slotted nut
(11). Observe tightening torques.
b) Version with insulating
section
See Fig.9-1 and Fig.9-2
1. Loosen the slotted nut (11) at the valve.
Remove the yoke (13) from the interme-
diate piece (4).
2. Loosen the llister head screw (23) and
hex nut (26).
3. Remove the top section of the top anti-ro-
tation xture (24.2) from the intermedi-
ate piece (4).
4. Unscrew the intermediate piece (4) out of
the insulating section (28) and carefully
lift it off the plug stem extension (22).
5. Remove the washer (27) from the insulat-
ing section (28).
6. Remove the bottom section of the top an-
ti-rotation xture (24.2) from the insulat-
ing section (28).
7. Remove the seal (5). Carefully clean the
sealing faces in the intermediate piece
(4) and insulating section (28).
8. Loosen the llister head screw (6) on the
bottom anti-rotation xture (24.1). Re-
move the anti-rotation xture from the in-
sulating section (28).
9. Unscrew the insulating section (28) from
the body (1). Remove the insulating sec-
tion (28) together with the plug (2.1) and
plug stem extension (22) from the body
(1).
10. Remove gasket (2.3). Carefully clean the
sealing faces in the valve body (1) and
on the insulating section (28).