GE Becker VRP-B-CH Series Instruction Manual page 23

7. Attach the 1/4-28 jam nut (FF) to the valve adjusting screw (H).
7a. Screw the adjusting drum (GG) on the screw (H) and fasten
it with the 5-40 x 1/4 SHCS (HH1) threaded into the valve
adjusting screw (H).
Note: The jam nut (FF) showed should be located against the drum
(GG).
8. Center the pilot posts in the pilot body block (F) by:
8a. Rotating the diaphragm assembly (from steps 5 and 6)
counterclockwise until it stops (I).
8b. Marking the diaphragm and the pilot body block (F) with a
single line.
8c. Rotating the diaphragm assembly clockwise until it stops
(III).
K
FF
GG
HH1
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F
N
W
H
8d. Marking the pilot body block (F) with a line extending from
the existing line on the diaphragm.
8e. Centering the line on the diaphragm between the two
existing lines on the pilot body block (II).
8f. Keeping the diaphragm secure in the center of the lines,
fasten the sensitivity spacer (JJ) to the pilot body block
(F) with six 1/4-20 x 3/4 HHCS (HH). This will secure the
diaphragm and prevent it from moving it any further.
8g. Place the lexan cover (DD1) in the outside of the sensitivity
spacer (JJ).
Note: The cutout should face the orifice block's supply port (K).
DD1
Becker VRP-B-CH Series Valve Regulator Pilot Instruction Manual | 20
I
III
II
F
JJ
HH