Diaphragm Assembly #1; Diaphragm Assembly #2; Diaphragm Assembly #3 - GE Becker VRP-SB-PID Series Instruction Manual

Diaphragm Assembly #1

(Figure 23)
Step 35: Slide a –012 O-Ring (K) onto the Small Piston (II).
Place a Convoluted Diaphragm (JJ) onto the Small Piston (II)
with the convolute facing away from the Small Piston (II).
Step 36: Install a Small Washer (KK) onto the Small Piston (II)
with grooves facing the Convoluted Diaphragm (JJ). Tighten
the assembly by threading a ½-20 SS Hex Jam Nut (P) onto
the Small Piston (II) until it is flush with the Washer (KK).
Take special note that the Piston (II) has no hole, while
Piston (LL) does. Torque to 180-220 in.-lbs.

Diaphragm Assembly #2

(Figure 24)
Step 37: Slide a –012 O-Ring (K) onto the Small Piston (LL).
Place a Convoluted Diaphragm (JJ) onto the Small Piston (LL)
with convolute facing away from the Small Piston (LL).
Step 38: Install a Small Washer (KK) onto the Small Piston (LL)
with grooves facing the Convoluted Diaphragm (JJ).
Step 39: Place the Diaphragm (JJ), Piston (LL), and Washer (KK)
on top of the PID Spring Spacer (MM).
Step 40: Secure the assembly by threading a SS Spring Nut (T)
onto the Small Piston (LL) until it is flush with the Small Washer
(KK). Make sure the PID Spring Spacer (MM) is between the
Diaphragm (JJ), and NUT (T)! Torque to 180-220 in.-lbs.

Diaphragm Assembly #3

(Figure 25)
Step 41: Slide two –012 O-Rings (K) onto the Piston Spacer (NN).
Place one Diaphragm Washer (OO) onto the Piston Spacer (NN)
with grooves facing up.
Step 42: Place the Flat Diaphragm (PP) on top of the Diaphragm
Washer (OO).
Step 43: The assembly is completed by placing one more
Diaphragm Washer (OO) over the Flat Diaphragm (PP), groove
side down, and securing it all with a Aluminum Washer Nut
(QQ). Make sure the Washer Nut (QQ) is secured tightly, with
the undercut side facing the Diaphragm (PP). Torque to
100-110 in-lb.
37 | GE Oil & Gas
P
KK
II
No Hole (II)
Figure 23
K
Convolute
Down
KK
MM
T
Figure 24
QQ
OO
K
K
Figure 25
© 2016 General Electric Company. All rights reserved.
Convolute
Up
JJ
K
Hole (LL)
LL
JJ
Undercut
Side
PP
OO
NN