2
4. Balls, Flat valves and Valve seats
4.1 Removal
■
FAT, FST, BA
□
, BS
□
, BPS types
▪
Remove the 4 retainer bolts from the out manifold, and
remove the out manifold. [Fig.4.1]
▪
Remove the O ring, valve stopper, valve guide, flat valve and
valve seat. (NDP-5) [Fig.4.2]
▪
Remove the O ring, valve guide, ball and valve seat.
(NDP-15) [Fig.4.2]
▪
Turn over the main body assembly. [Fig.4.3]
▪
Remove the 4 retainer bolts from the in manifold, and
remove the base and in manifold. [Fig.4.3]
▪
Remove the O ring, valve seat, flat valve, valve guide and
valve stopper. (NDP-5) [Fig.4.4]
▪
Remove the O ring, valve seat, ball and valve guide.
(NDP-15) [Fig.4.4]
