YAMADA NDP-40 Series - 4 Balls and Valve Seats 4.1 Removal BA_, BS_, BF_ Types

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4. Balls and Valve seats
4.1 Removal
■BA_, BS_, BF_ types
▪ Remove the 6 (8 on the NDP-80) retainer bolts “1” from the out
manifold, and remove the out manifold. [Fig.4.1]
▪ Remove the ball, valve seat and O ring. [Fig.4.2]
▪ Remove the 6 (8 on the NDP-80) retainer bolts “2” from the in
manifold, and remove the in manifold. [Fig.4.1]
▪ Remove the ball, valve seat and O ring. [Fig.4.3]