vent
Ø3
25
Service and repair
• All work on the regulator is to carry out only
in the pressure-free condition. The safety regu-
lations, in particular the UVV‘s, as well as the
DVGW papers G 491 and G 495 are to be
considered:
• Valves on the upstream- and downstream side
are to closed.
• The pressure must be reduced by the relief
valve on the outlet side, up to zero level.
Caution!
Before disassembling the regula-
tor, the loading spring has to be
released fully!
Actuator unit H
1
/
2
“-Square head
Damping precautions
Adjusting tool:
Actuator unit 8”- / 12”-N ➞
1
/
2
“- Square hole SSV 033 ➞ Adjusting tool a/f 13 (Hexagon)
Actuator unit 8”-H ➞
1
/
2
“- Square head SSV 022 ➞ Adjusting tool a/f 13 (Hexagon)
SSV SL-IZ.. ➞ Adjusting tool a/f 13 (Hexagon)
SSV SID ➞ Adjusting tool a/f 13 (Hexagon)
Damping Unit 1” Nr. 955-182-11
955-168-12
cross slot washer
Actuator unit N
1
/2“-square hole
Connection part with restrictor
No. 955-164-34
Pull out the restrictor by a srew M4
G
1
/
4
“ sensing
line connection
G
1
/
2
“
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