Start-up
Adjusting the switch point
25
© Lutz-Jesco GmbH 2015
Subject to technical changes.
150413
BA-24721-02-V01
Chlorine gas changeover unit C 7523
Operating instructions
9.3 Adjusting the switch point
It is rare that the switch point of the contact gauge needs to be adjusted.
Possible reasons for this could include:
n
Very weak performance of the injector
n
Dosing device with restrictor valve for the vacuum.
Fig. 17: Adjusting the switch point
Perform the following working steps:
1.
Remove the transparent lid
b
from the contact gauge. To do so,
unscrew the outside ring
a
from the device. Observe the seal
c
.
2.
Move the red marking
d
to the desired switch point.
3.
Refit the transparent lid and tighten the ring nut by hand. Ensure the
correct position of the seal.
ü
Switch point of the contact gauge adjusted.
4
3
2
1
