IM-IBR17-49IN
Issue 1
18
Servicing:
-
With suitable isolation, repairs can be carried out with the trap in the pipeline.
-
When reassembling, make sure that all joint faces are clean and the dowel locates in
the cover.
Dowel
Steam lock
release assembly
19 + 21
2
2
3
20
Bimetallic air vent assembly 17
How to fit the main valve assembly for DN15, DN20 and DN25:
-
Unscrew the support frame (
9
), pivot frame (
10
) and the valve seat (
5
).
-
Ensure the seat/gasket faces are clean and dry.
-
Fit the new gasket (
6
) and the valve seat (
5
) to the body
(Do not use gasket paste).
-
Attach the support frame (
9
) and pivot frame (
10
) to the body with the assembly set
screws (
7
) but do not tighten.
-
Fit the float arm (
8
) to the pivot frame (
10
) using the pin (
11
) and by moving the complete
assembly centre the valve head onto the seat orifice.
-
Tighten the assembly set screws (see Table 1 for the recommended tightening torques).
18
Содержание FT 43 Series
Страница 26: ...IM IBR17 49IN Issue 1 26...
Страница 27: ...IM IBR17 49IN Issue 1 27...
Страница 28: ...IM IBR17 49IN Issue 1 28...
