Spring Support Plate Assembly; Feedback Chamber Assembly - GE Becker VRP-SB-PID Series Instruction Manual

Spring Support Plate Assembly

(Figure 26)
Step 44: Place the Spring Support Plate (RR) on top of the
Top Body (G). Take care to look at the alignment of the Spring
Support Plate (RR).
Step 45: Place the Fixed Spring (SS) in the cavity of the Spring
Support Plate (RR).
Step 46: Complete the assembly by placing Diaphragm Assembly
#2 on top of the Fixed Spring (SS). Thread the Small Piston (LL)
from Diaphragm Assembly #2 all the way into the Outside
Piston (J) of the Top Body (G), thereby compressing the spring.
Diaphragm
Assembly
#2
SS
RR
P4
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Spring
Support
Plate (RR)
Orientation
Serrated
Surface
Down
P3
G
Figure 26

Feedback Chamber Assembly

(Figures 27-31)
Step 47: Bolt the Lower Feedback Chamber (TT) on top of
the PID Spring Spacer (MM), as shown in Figure 27, using
6, 1/4-20 x 2 1/2" SHCS (UU).
Step 48: Slide a –154 O-Ring (VV) around the rim of the
Seal Plate (WW), as shown in FIGURE 28. Place a –145 O-Ring
(XX) into the bottom groove of the Seal Plate (WW).
Step 49: Bolt the Seal Plate (WW) to the Lower Feedback
Chamber (TT) using 2, 8-32 x 1/2" SHCS (I).
UU
TT
P4
I
WW
P4
Becker VRP-SB-PID Series Natural Gas Controllers Instruction Manual | 38
MM
P3
G
Figure 27
TT
P3
Figure 28
VV
XX