2
4. Balls and Valve seats
4.1 Removal
■
BA
□
[-D], BS
□
, BF
□
types
▪
Remove the 4 retainer bolts from the out manifold, and
remove the out manifold. [Fig.4.1]
▪
Remove the O ring, valve stopper, ball and valve seat.
[Fig.4.2]
▪
Turn over the main body assembly. [Fig.4.3]
▪
Remove the 4 retainer bolts from the in manifold, and
remove the in manifold and pump bases. [Fig.4.3]
(BA
□-
D and NDP-32 do not have bases.)
▪
Remove the O ring, valve seat, ball and valve stopper.
[Fig.4.4]
