Yokogawa ADMAG AXF - Manual (Page 51)

IM 01E20D01-01E 5-2
5. MAINTENANCE
5.2 Removing, Cleaning,
and Installing Re-
placeable Electrodes
(General-Purpose
Use Type Only)
5.2.1 Removing Replaceable Elec-
trodes
(1) The following tools are required to replace the
electrodes:
• Special tool for removing and installing elec-
trodes (F9807SK): Optional
• Torque wrench or torque driver (nominal size 12)
• Phillips screwdriver
F0503.EPS
F9807SK
(2) Turn off the power to the flowmeter.
(3) Drain the fluid from the interior of the flowtube.
WARNING
• Never fail to drain the fluid from the interior of
the flowtube.
• If the fluid is at a high temperature, the instru-
ment itself may also be hot. Be careful not to
get burned when removing the electrodes.
• When the process fluid is hazardous to hu-
mans, exercise caution to avoid coming into
contact with it, and avoid inhaling any residual
gas.
(4) Using end A of the tool, open the electrode cover.
F0504.EPS
End B
End A
(5) Hold down the electrode lead wire and terminal
lug and remove the mounting screw using the
Phillips screwdriver.
F0505.EPS
Electrode lead wire:
Red: Electrode A
White: Electrode B
NOTE
Always hold down the lead wire and terminal lug
when removing the mounting screw.