Samson 3251-E - Page 78

9-20 EB 8052-E EN
Servicing and conversion
6. Unscrew castellated nut (92) and lift the
yoke (60) off the valve bonnet (2).
7. Unscrew the threaded bushing (8).
8. Pull plug stem (5.1) out of the valve bon-
net (2).
9. Pull the entire packing out of the packing
chamber using a suitable tool.
10. Clean the packing chamber thoroughly.
11. Remove spiral gasket (17) from the body
(1) and valve bonnet (2).
12. Valve versions without ow divider:
continue as described in step13.
Valve versions with ow divider: re-
move the spiral gasket (126), clamping
element (63) and ow divider (62) from
the body (1).
13. Undo the seat ring (221) using a special
tool (uAB0100) and remove it from the
body (1).
It may be necessary to rst unscrew a
few studs (13) from the body (1) before
the tool can be positioned properly.
14. Remove seat (4) and spiral gasket (127)
from the body (1).
LLF20 packing
1. Undo the body nuts (14) gradually in a
crisscross pattern.
2. Valve versions without anti-rotation x-
ture: ensure that the stem connector nut
(9) is still fastened tight to the plug stem
(5.1).
Valve versions with anti-rotation xture:
ensure that the clamps (301) are still fas-
tened tight to the plug stem (5.1).
3. Lift the valve bonnet (2) including yoke
(60), plug (5) and plug stem (5.1) up-
wards off the body (1) and set it aside.
4. Valve versions without anti-rotation x-
ture: unscrew the stem connector nut (9)
and lock nut (10) from the plug stem
(5.1).
Valve versions with anti-rotation xture:
undo the screws (303) and remove the
clamps (301) of the anti-rotation xture.
Set aside clamps (301), screws (303),
washers (304) and stem (9).
5. Gradually unscrew the two guide bolts
(163.1) of the spring loading assemblies
(163) at the hex head in a crisscross pat-
tern.
6. Lift off the two spring loading assemblies
(163) and packing gland (162) vertically
over the studs (164) off the valve bonnet
(2).
7. Unscrew castellated nut (92) and lift the
yoke (60) off the valve bonnet (2).
8. Pull out the packing follower (8).
9. Pull plug stem (5.1) out of the valve bon-
net (2).
10. Pull the entire packing out of the packing
chamber using a suitable tool.
11. Clean the packing chamber thoroughly.
12. Remove spiral gasket (17) from the body
(1) and valve bonnet (2).
13. Valve versions without ow divider:
continue as described in step14.
Valve versions with ow divider: re-
move the spiral gasket (126), clamping