SensoGate WA131M
29
5.3.4 Solid-Electrolyte Sensor, Long Immersion Depth: Installation
Note:
The extension can only be unlocked in the SERVICE position (safety function).
1
2
3
4
5
5
01.
Move the SensoGate WA131M into the SERVICE position.
Moving into the SERVICE Position, p. 26
02.
Check outlet and leakage bores for escaping process medium. If process medium escapes, depres-
surize the process and perform troubleshooting.
03.
Check the compression r
ing
(2)
and O-r
ing
(3)
of the sensor
(4)
for correct positioning and
damage. Replace them if necessary.
04.
Rotate the ext
ension
(5)
counterclockwise until its bayonet coupling
(5)
unlocks.
05.
Move the ext
ension
(5)
in the direction of the arrow and remove it.
1
4
4
5
6
7
8
06.
P
ush in the sensor
(4)
.
Note:
When tightening the sensor, the spring force of the “Immersion lock without a mounted solid-
electrolyte sensor” safeguard must be overcome.
07.
Tighten the sensor
(4)
using the spanning wr
ench
(1)
t
o max. 3 N
m (
A/F 19 mm). R
ecommended
tools: ZU0647 sensor spanning wrench
08.
On first-time installation: Remove the split red service cap
(14)
from the extension
(5)
. Keep the
service cap
(14)
in a safe place for future use.
09.
On first-time installa
tion: Guide the cable bushing
(6)
through the ext
ension
(5)
.
10.
Connec
t the cable bushing
(6)
t
o the sensor head
(7)
.
