Becker VRP-SB-PID Series Natural Gas Controllers Instruction Manual | 30
© 2016 General Electric Company. All rights reserved.
Top Body Piston Assembly
(Figure 6)
Step 12: Install –012 O-rings (K) into the grooves of the both
the Outside Piston (J) and the Top Inside Piston (M). Slide
a –010 O-ring (N) into the stem of the Top Inside Piston (M).
Step 13: Attach two Pilot Posts (L) to the Outside Piston (J)
with 2, 8-32 x 1/2” SHCS (I).
Step 14: Slide the Pilot Post/Outside Piston combination
through the Top Body (G), and attach it to the Top Inside
Piston (M) with 2, 8-32 x 1/2” SHCS (I).
Bottom Body Piston Assembly
(Figure 7)
Step 15: Install –012 O-rings (K) into the grooves of the both
the Outside Piston (J) and Bottom Inside Piston (O).
Step 16: Attach two Pilot Posts (L) to the Bottom Inside Piston (O)
with 2, 8-32 x 1/2” SHCS (I).
Step 17: Slide the Pilot Post/Bottom Inside Piston combination
through the Bottom Body (H), and attach it to the Outside
Piston (J) with 2, 8-32 x 1/2” SHCS (I).
P3
P4
P2
P1
I
J
L
I
N
K
G
K
I
K
O
L
H
K
J
I
M
Figure 6
P3
P4
P2
P1
I
J
L
I
N
K
G
K
I
K
O
L
H
K
J
I
M
Figure 7