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TM 55-1905-223-24-7
MAINTENANCE OF REVERSE OSMOSIS WATERMAKER
2-11.
Service Sediment Strainer Assembly. (FIGURE 2-3)
This task covers: a. Service,
b. Equipment Check.
INITIAL SETUP:
Materials/Parts
Equipment Condition
Preformed packing P/N RWS-5
TM 55-1905-223-10.
Sediment strainer element P/N
RO desalinator shut down.
RWS-5B
Tag desalinator "Out of
Warning tag, Item 11, Appendix C
Service, Do Not Operate."
SERVICE
a. Remove sediment strainer element.
(1) Close appropriate feedwater inlet gate valve (2, FIGURE 2-3, Sheet 1) for watermaker.
(2) Remove access cover (1, FIGURE 2-3, Sheet 2).
(3) Lift out sediment strainer element (2) and preformed packing (3). Discard preformed packing.
(4) Rinse sediment strainer element (2) in product water.
(5) Inspect sediment strainer element (2) for cuts or damage; discard if damaged.
(6) Remove any debris from inside of sediment strainer body (4).
b. Replace sediment strainer element.
(1) Position new preformed packing (3) on sediment strainer element (2) seat.
(2) Place sediment strainer element (2) and preformed packing (3) in sediment strainer body (4).
(3) Position access cover (1) and secure by hand.
(4) Open appropriate feedwater inlet gate valve (2, FIGURE 2-3, Sheet 1) for unit.
(5) Start up RO desalinator (TM 55-1905-223-10).
2-18

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