2. Cash Valve
  3. PBE-1 Repair Kit

Cash Valve PBE-1 Repair Kit Installation guide

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CASH PBE-1 REPAIR KIT
INSTALLATION INSTRUCTIONS
Before installation, these instructions must be carefully read and understood.
INSTALLATION
1. Loosen Lock Nut 1/4 turn and loosen
Adjusting Screw until the Pressure Spring is
no longer under tension. - see Fig. 1.
NOTE
When installing the Adjusting Screw during re-
assembly, tighten the screw until the Lock Nut just
touches the Spring Chamber. When the Valve is placed
in service the pressure setting should be very close to
the original setting.
2. Loosen and remove Spring Chamber and
remove Diaphragm Assembly and Seat
Ring.
3. Replace Seat Ring and Diaphragm Assembly
with components included in Kit. Ensure
the step on the Seat Ring is facing up - see
Fig 3. Also, Diaphragm Gasket must be
given a very light coating of Fluorolube and
installed between Body and Diaphragm
Assembly - see Fig 2.
IMPORTANT
Exercise care to ensure that the rounded surface of
the Ball Seat is not scratched, marred or damaged
during re-assembly.
4. Retighten Spring Chamber to 90 ft-lbs.
torque.
5. Remove Bottom Plug, Bottom Plug Gasket
and Piston Assembly and replace Gasket
and Piston Assembly with those included in
Kit - see Fig. 1. Retighten Bottom Plug to
35-40 ft-lbs. torque.
IMPORTANT
Do not overtighten.
6. Reset Adjusting Screw and tighten
LockNut- see NOTE.
Emerson.com/FinalControl © 2018 Emerson. All rights reserved. VCIOM-10771-EN 19/04
Adjusting Screw
Lock Nut
Pressure Spring
Seat Ring
Piston Assembly
Bottom Plug
Bottom Plug Gasket
Step Must
Face Up
Spring Chamber
Diaphragm
Assembly
Diaphragm
Assembly
Diaphragm
Gasket
Body
FIGURE 1
FIGURE 3
FIGURE 2
2
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