Yokogawa ADMAG AXR - Manual (Page 141)

<11. MAINTENANCE>
11-1
IM 01E30D01-01EN
WARNING
• Maintenance work must be carried out by
the trained personnel having knowledge of
safety standard and not by operators.
• Do not open the cover in wet weather or high
humidity.
• When opening the cover, wait for more
than 5 minutes after turning off the power.
Furthermore, opening of the cover must
also be carried out by the trained personnel
having knowledge of safety standard.
IMPORTANT
• The amplifier assembly contains sensitive
parts that may be damaged by static
electricity. Exercise care so as not to directly
touch the electronic parts or circuit patterns
on the board, for example, by preventing
static electrification by using grounded wrist
straps when handing the assembly. Also
take precautions such as placing a removed
amplifier assembly into a bag with an
antistatic coating.
CAUTION
• Explosion protected type must be, as a
rule, removed to a non-hazardous area for
maintenance and be disassembled and
reassembled to the original state.
• The cover is locked by the special screw.
In case of opening the cover, use the
hexagonal wrench (nominal size 3).
• Be sure to lock the cover by the special
screw using this hexagonal wrench after
installing the cover.
11.1 Changing Direction of
Electrical Connection
11.1.1 Changing Direction of Electrical
Connection
(1) The following tools are required to change the
direction of the electrical connection:
• Hexagonal wrench (nominal size 2.5)
• Wrench
(2) Turn off the power to the flowmeter.
(3) Using the wrench, loosen the hexagonal nut at
the neck of the instrument.
F1101.ai
(4) Using the hexagonal wrench (nominal size 2.5),
loosen the screw in the neck.
(5) Turn the converter in the desired direction.
NOTE
The converter can be turned –140 degree to
+180 degree from the arrow mark indicating the
flow direction. Do not exceed these angle.
(6) Using the hexagonal wrench (nominal size 2.5),
retighten the neck screw.
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(7) Using the wrench, retighten the hexagonal nut
at the neck. After that, check that the converter.
11. MAINTENANCE