Replace/Repair Cleaning Valve Assembly. (FIGURE 2-31)

TM 55-1905-223-24-7

2-30. Replace/Repair Cleaning Valve Assembly. (FIGURE 2-31)

This task covers: a. Removal,

b. Repair,

c. Replacement.

INITIAL SETUP

Tools

Equipment Condition

Tool kit, general mechanic's,

Watermaker assembly shut down.

Refer to TM 55-1905-223-10.

Watermaker tagged "Out of

Service - Do Not Operate."

Materials/Parts

Nonmetallic hose P/N PVTBF075

Nonmetallic hose P/N PVTBF038

Ball valve P/N TW1005OT

Hose plug P/N TP-4008 (1 each)

Hose plug P/N 3TP-4012 (2 each)

Warning tag, Item 11, Appendix C

REMOVAL

a. Close appropriate inlet feedwater gate valve (2, FIGURE 2-31, Sheet 1).

b. Disconnect external hoses (Sheet 2) from product water port, brine discharge port, and feedwater port. Cover

ports for protection with hose plugs (12, 13, and (14).

Remove four hose clamps (2).

d. Remove four nonmetallic hoses (1).

e. Remove four machine screws (5), flat washers (6), lockwashers (7), and plain hexagon nuts (8) from cleaning

valve assembly.

Remove cleaning valve assembly.

REPAIR

a. Check nonmetallic hoses (1) for cracks and swelling. Discard if cracked or swollen.

b. Check ball valve (4) for corrosion.

2-103