Yokogawa ADMAG AXF Uživatelský manuál stáhnout pdf (Strana 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.

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