12
SERVICE AND REPAIR
All work on the regulator is to carry out only in the pressure-
free condition. The safety regulations, 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 regulator,
the loading spring has to be released fully!
SERVICE AND REPAIR
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 PRECAUTIONS
DAMPING UNIT 1” No. 955-182-11
vent
Ø3
Actuator unit H
½”-Square head
955-168-12
cross slot washer
Actuator unit N
½“-square hole
Connection part with restrictor
No. 955-164-34
Pull out the restrictor by a srew M4
G ½“
G ¼“ sensing
line connection
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