Maritime G6100 Operation Manual page 96

Appendix
MI6100-0007
System Type Water Monitoring System
Task: pH Electrode Replacement
Task This instruction identifies the location and replacement of the pH electrode. pH
electrode Replacement must be carried out by a trained technician.
description:
Difficulty 1-5 Overhaul Interval
Yearly
Spare Parts
Part no: Description:
02389 Electrode for pH sensor
Instructions
Steps
1.Make sure the power supply is switched off
prior to replacing the wiper unit. This is done
by switching off the main automatic fuse found
inside the control cabinet. Failing to do so may
damage the pH electrode and/or sensor.
2.Unscrew the grey nut on the pH sensor and
pull up the sensor from the measuring
chamber. (A)
3.Unscrew the old pH electrode by turning it
counterclockwise. (B)
4.If present, unscrew the shipping plug by
turning it counterclockwise. (C)
5.Warning: The new electrode must always be
kept moist. If the electrode dries out, it will not
work properly. (D) (E)
6.Before refitting the new pH electrode to the
sensor, remove any tape or other packing
material without removing the protective cap.
(E)
7.Before reinstalling the pH sensor make sure
that the measuring chamber is half filed with
water.
8.Remove the protective cap just before
reinstalling the pH sensor in the measuring
chamber. (F)
Note: make sure the pH chamber contains
water in order to keep the electrode mois
Notes:
Estimated Time Consumption
10 min
Tools
Qty. Item:
Photos:
t.
MI6100-0007
Page 96 of 110