Dungs FRM 100025 HD, Instruction Manual, Page: 159 / 174

50 …64
Edition 10.15 • No
. 270 442
51 … 64
14.4 Required tools
Work step Tool designation
Pressure
rating
Wrench size
DN 25 DN 40 DN 50
1 Loosen the pulse lines. Open-ended screw (A) ND/MD/HD SW 24 SW 24 SW 24
2 Release the setpoint springs.
Tube/socket wrench (B)
ND/MD/HD
SW 17 SW 17 SW 17
Tube/socket wrench (B) SW 22 SW 22 SW 22
3 Loosen ASE from the housing.
Internal hex key (C1)
ND/MD/HD
SW 2.5 SW 2.5 SW 2.5
Jointed hook wrench with pins accord -
ing to DIN 1810 (D) 60-90 60-90 60-90
4 Replace the working diaphragm on the ASE. Internal hex key (C2) ND/MD/HD SW 4 SW 17 SW 4
A B
C2
D
C1
E
SSD
Order no. 271170