Page 50 (Model J)
9.1.3 N0280/03 High Speed Jet Valve Assembly
Location in pneumatic unit
Part number: N0280/03
1. Disconnect the electrical connectors
from PR3 (A), PR4 (B) and PR6 (C).
PR3 cable is tagged 3.
PR4 cable is tagged 4.
PR6 cable is tagged 6.
2. Loosen but do not remove the four nuts
(D) securing the pressure regulator
manifold assembly. Once loose slide the
assembly in the direction of the arrow.