Use extreme care while removing
valve cap from valve body. The valve
cap is under spring tension and
could cause injury to personnel.
(4) With internal valve face down on a clean,
flat surface, hold down on valve cap (3)
while removing eight screws (9). When all
screws are removed, slowly lift valve cap
from valve body (10).
(5) Remove piston spring (16), screen
assembly (18) and tubes (19 and 20) from
valve cap (3) or valve body (10).
(6) Remove shaft washer (11), retaining ring
(12) and two shaft seals (13) from valve