User's Manual AXF Magnetic Flowmeter Integral ... - Yokogawa

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