Dungs FRM 100025 HD, Instruction Manual, Page: 148 / 174

40 …64
Edition 10.15 • No
. 270 442
13
15
Put on the diaphragm shell O:
secure the lower diaphragm shell O at the lower
diaphragm disc P (to do this, the diaphragm disc is
dragged upwards) and put it on the connection pin R .
Lock the connection pin R of the valve disc in the cou -
pling of the lever system in the diaphragm shell O
by turning it cautiously.
Attention: Risk of crushing!
16
P
V
Attention: Risk of crushing!
Place fingers at the marked positions (
ê
).
Fingers may be squeezed between the diaphragm
disc P and the diaphragm shell O. Do not slide fingers
under the diaphragm disc!!
Q
O
O
14
O
P
R
Make sure that the connection pin R 45° is oriented
opposite to the direction of the flow (non-aligned!)
Insert the new O-ring Q (maintenance kit 3, 4 or 5)
in the turned groove in the lower diaphragm shell O
using grease if necessary to hold it in place.