
50 … 76
MC • Edition 2022.08 • No
. 279 663 R
ev
. -0
51 … 76
4
Loosen the nut
J using a spanner size 13 mm
(15 mm for 1", 11/2" and DN 25 ND and MD).
J
6
Remove the working membrane M from the guide
rod
N. Check the condition of the working mem
-
brane. If necessary, use a new working membrane
M (maintenance set 17, 18, 19 or 23 as appropri
-
ate) when reassembling.
M
H
7
Replace the O-Ring H.
5
Remove the safety spring L.
L
Summary of Contents for FRM-NOC 100025 HD
Page 17: ...MC Edition 2022 08 No 279 663 Rev 0 17 76 A B C D E A B C D E F Type UHD F Type HD...
Page 66: ...66 76 MC Edition 2022 08 No 279 663 Rev 0 14 4 Tools required A B C2 D C1...
Page 74: ...74 76 MC Edition 2022 08 No 279 663 Rev 0...