TM 5-3825-229-14&P
4-62. SPRAY VALVES (cont)
a.
Removal (cont).
(3)
Loosen set screws (8) on rings (9). Loosen ring (9) by rotating counter-clockwise one turn. Rotate
elbows (7) counterclockwise and remove elbows (7) from couplings (10).
(4)
Unscrew and remove couplings (10) from nipples (11).
(5)
Unscrew and remove nipples (11) from spray valves (12).
(6)
Unscrew and remove spray valves (12) from header (13).
b.
Disassembly.
(1)
Remove four screws (1) from cover (2) and remove cover (2).
(2)
Remove spring (3).
(3)
Remove stem bolt (4) and diaphragm assembly (5).
(4)
Disassemble diaphragm (5) assembly into component parts: Belleville washer (6), diaphragm washer
(7), preformed packing (8), diaphragm (9), disc retainer (10), disc (11) and disc guide (12).
(5) Remove seat (13) and preformed packing (14) from valve body (15).
4-141