Yokogawa ADMAG AXR Manual de usuario descargar pdf (Pagina 144)

<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, refer to Chapter 6: Parameter

Description.

(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 (refer to 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.

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