Removing The Housing - Mettler Toledo InTrac 777-SL Instructions D'utilisation

InTrac ® 777-SL / InTrac
Retractable housing InTrac
Warning! If the plastic adapter "4" and the ring nut "5" are undo-
ne in the wrong order, the pH/redox electrode may break. The-
refore it is essential to follow the procedure described below.
2
3
4
7
5
1
Note: Specific information on the electrode (adjustment with the
measurement system, storage of the electrode, etc.) will be
found in the relative documentation for the electrode or measu-
rement system.
4.5.2

Removing the housing

1. Shut down the housing (see Section 4.4).
2. Remove the electrode/sensor (see Section 4.5.1).
3. Dismantle rinsing water and control air lines.
4. Undo ring nut or flange connection and carefully remove
Warning! Never place the housing on the front ends of the
immersion tube or the centering spigot (risk of damage).
© 06/00 Mettler-Toledo GmbH, CH-8606 Greifensee
Printed in Switzerland
® 776-SL
Important! Close connections to prevent ingress of dirt.
housing.
®
776-SL
1. Move housing to the "Maintenance"
position.
2. Open rinsing water supply and rinse
electrode. Close rinsing water supply.
3. Depressurize the upper part by slight-
ly loosening the valve core at the pres-
sure gauge or by interrupting the com-
pressed air supply. Then retight valve
core.
4. Remove cable antikink "2" and un-
screw protective sleeve "3".
5. Disconnect the signal cable from the
electrode.
6. Undo plastic adapter "4" and remove.
7. Undo ring nut "5" and remove upper
part "7".
8. Carefully withdraw electrode from im-
mersion tube.
InTrac 777-SL-04-CH
52 400 841
25