C. case pressure purge switch, 14 case pressure purge switch installation, Model nga 2000 hfid – Emerson Process Management 760004-A User Manual

Page 55

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Instruction Manual

760004-A

February 2002

Rosemount Analytical Inc. A Division of Emerson Process Management

Maintenance and Service 4-17

Model NGA 2000 HFID

c. Case Pressure Purge Switch

1. Per Section 4-6, remove securing

hardware from electronics assembly
and lay on bench.

2. Disconnect the two electrical termi-

nals, note location.

3. Disconnect tube at pressure switch.

4. Remove mounting screws (2) and

washers (2).

5. Reverse procedure for installation of

replacement switch.

Figure 4-14. Case Pressure Purge Switch Installation

The bracket does not have to be removed from the electronics assembly for this
procedure.

Case Pressure Purge
Switch 903690

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