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TM 55-1905-223-24-18-2
3-33. Replace Sensing Module Assembly. (Figure 3-30)
This task covers:
a. Removal,
b. Replacement.
INITIAL SETUP
Tools
Equipment Condition
Tool kit, general mechanic's,
Drain third stage vessel as specified
in paragraph 2-29 .
Materials/Parts
Sensing module assembly
P/N 770
Warning tags, Item 1, Appendix C
REMOVAL
a. Sensing Module Assembly.
(1) Open sensing module cleanout valve (4).
(2) Open sensing module drain valve (10).
(3) Remove cover screw from junction box (1). Remove cover.
(4) Tag and disconnect sensor wires to sensor manifold (15).
(5) Disconnect cable connector (14) and separate sensor cable (13) from junction box.
(6) Remove junction box from sensor manifold.
(7) Disconnect inlet pipe connection from sensor manifold at union (8).
(8) Disconnect outlet pipe connection from sensor manifold at union (12).
(9) Remove sensor manifold and piping assembly.
b. Pipe Connections.
(1) Position sensor manifold and piping assembly on a clean, flat surface.
(2) Disconnect pipe nipple (7) with union coupler pipe elbow (6) and pipe nipple (5) from pipe tee (3).
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