YOKOGAWA ADMAG AXR - 11.2.2 Amplifier Replacement

<11. MAINTENANCE>
11-4
IM 01E30D01-01EN
11.2.2 AmplierReplacement
IMPORTANT
Incaseofamplierreplacement,itisnecessary
to perform the parameter resetting.
For parameters, Read Chapter 6.
(1) RemovingtheAmplierAssembly
(1) Turn off the power.
(2) Remove the cover.
(3) Hold the display unit with your hand and
loosen the four mounting screws. Remove the
connector 1 by pulling it in a straight, taking
care not to damage it (Read Figure 11.2.5).
(4) Loosen the four mounting hexagonal screws
using a hexagonal socket driver (nominal size
5.5).
(5) Removetheamplierassemblycarefullyata
crawl in a straight, taking care not to damage
the connector 2 and 3.
(6) Holdtheamplierassemblywithyourhandand
remove the connector 3 carefully by holding
bothsidesofitwithyourngers(claws).
Do not apply excessive force to the connector 4
during this work at this time.
(2) AssemblingtheAmplierAssembly
(1) Toreplacetheamplierassembly,followthe
procedures used to remove it in the reverse order.
(2) Carefully connect the cable 1 to the connector
4, making sure that the connectors’ direction
are correct.
(3) Replacetheamplierassemblybypushingitin
the converter with folding back the cable 1 and
2, taking care not to entangle these tow cables
during installing the hexagonal screws.
(4) Align the display unit in a straight with the
connector2facingtheconnectorofamplier
assembly and then make the required connection.
Take care not to entangle the connector 1 to the
shield board and the front cover when they are
installed.
(5) Install the four hexagonal screws on the
amplierassemblyusingahexagonalsocket
driver (nominal size 5.5).
(6) Align the display unit in a straight with its
connector located its backside facing the
connector 1 and then make the required
connection.
(7) Secure the display unit using its four mounting
screws.
F1107.ai
Display
Assembling the display
(4 screws)
Connector 1
Connector 2
Amplifier assembly
Cable 2
Cable 1
Connector 4
Connector 3
Figure11.2.5 AssenblingtheAmplier
NOTE
Secure to display unit steadily when attaching to
theamplierassembly.
The instrument may damage caused by
vibration of piping, etc… under its operation if the
screwing up work was not enough.