TM 9-2590-506-13&P
5-19. INTERNAL
VALVE
MAINTENANCE
INSTRUCTIONS (Continued)
(7) Remove piston seal (14) and two piston
seal garter springs (15) from valve cap (3).
(8) Remove valve piston assembly (17) with
parts (6, 8, 21 and 22) from valve body
(10).
(9) Remove limit pin (21) from drain orifice (6)
and piston shaft (8). Remove retaining
ring (23) from piston shaft (8) and
separate drain orifice, orifice spring (22)
and valve piston assembly (17) from
piston shaft.
TA255041
5-32