GB-7
D
GB
F
NL
I
E
4
Detach the impulse line from the JSAV.
5
7
6
8
Install the new O-ring in the housing.
9
Follow the reverse procedure when reassembling.
10
Connect the impulse line to the JSAV.
11
Check tightness and function, see [Tightness
test – p. 4] and [Checking the function – p. 4].
Replacing the valve disc
▷
▷
The valve disc has to be replaced if the JSAV is
leaking or the JSAV 50 – 100 has been damaged
during resetting.
▷
▷
We recommend cleaning the O-ring seats and
lightly greasing the O-rings with Klüber Nontrop
ZB91 DIN before installation.
1
Depressurize the system.
JSAV 25
▷
▷
The valve disc is supplied with a complete seal
set. We recommend replacing all seals.
2
Detach the impulse line from the JSAV.
5
17
15
9
4
18
3
19
6
7
10
8
11
10
12
16
13
14
First insert
the washer
into the valve
disc, and then
the O-ring.
5
17
15
9
4
18
3
19
6
7
10
8
11
10
12
16
13
14
Im Ventil-
teller zuerst
die Scheibe,
dann den
O-Ring
einsetzen.
▷
▷
Ensure that the O-ring is fitted in the new measur-
ing unit, see Figure
16
.
17
Follow the reverse procedure when reassembling.
18
Connect the impulse line to the JSAV.
19
Check tightness and function, see [Tightness
test – p. 4] and [Checking the function – p. 4].
JSAV 40
▷
▷
The valve disc is supplied with a complete seal
set. We recommend replacing all seals.
2
Detach the impulse line from the JSAV.
5
6
14
11
15
13
4
3
8
12
7
9
10
10
Im Ventil-
teller zuerst
die Scheibe,
dann den
O-Ring
einsetzen.
▷
▷
Ensure that the O-ring is fitted in the new measur-
ing unit, see Figure
11
.
5
6
14
11
15
13
4
3
8
12
7
9
10
10
First insert
the washer
into the valve
disc, and then
the O-ring.
