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Installation Sheet
October 2015
CSB400 Series Balance Port and Stem/
Stem Guide Change-Out Procedure
WarninG
!
Failure to follow these instructions or
to properly install and maintain this
equipment could result in an explosion
and/or fire causing property damage and
personal injury or death.
Fisher
regulators must be installed,
®
operated, and maintained in accordance
with federal, state, and local codes, rules
and regulations, and Emerson Process
Management regulator Technologies, inc.
(Emerson™) instructions.
if the regulator vents gas or a leak
develops in the system, service to the unit
may be required. Failure to correct trouble
could result in a hazardous condition.
Call a gas service person to service the
unit. Only a qualified person must install or
service the regulator.
introduction
Scope of the Manual
This Installation Sheet provides change-out procedure
for CSB400 Series Balance Port and Stem/Stem
Guide. Complete instructions for installation,
maintenance and parts ordering information for the
CSB400 Series regulators are found in a separate
Instruction Manual (D103123X012).
Table 1. CSB400 Series Balance Port, Stem and Stem Guide
rEGiSTraTiOn
Internal/Dual
Internal/Dual
Internal/Dual
Internal/Dual
* Complete key and part numbers of each spare part are found in CSB400 Series
Instruction Manual (D103123X012).
Change-out Procedure
To avoid personal injury or equipment
damage, do not attempt any maintenance
or disassembly without first isolating
the regulator from system pressure
and relieving all internal pressure as
described in "Shutdown" section.
regulators that have been disassembled
for repair must be tested for proper
operation before being returned to
service. Only parts manufactured by
regulator Technologies should be used
for repairing Fisher regulators. restart
gas utilization equipment according to
normal startup procedures.
www.fisherregulators.com
CSB400 Series
Retrofit Kits
DiSk
BODy
Standard
Standard
Temperature
Standard
1 X 2-1/4 inches
Temperature
GAZ
Low
Standard
Temperature
Low
1 X 2-1/4 inches
Temperature
GAZ
WarninG
!
kiT*
RCSB400BPK1
RCSB400BPK2
RCSB400BPK3
RCSB400BPK4
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Related Manuals for Emerson FISHER CSB400 Series
Summary of Contents for Emerson FISHER CSB400 Series
- Page 1 1 X 2-1/4 inches Internal/Dual RCSB400BPK4 with federal, state, and local codes, rules Temperature and regulations, and Emerson Process * Complete key and part numbers of each spare part are found in CSB400 Series Instruction Manual (D103123X012). Management regulator Technologies, inc. (Emerson™) instructions.
- Page 2 CSB400 Series Step 1 (no picture). If the regulator is installed in service perform the following shutdown procedure. Shutdown Installation arrangements may vary, but in any installation it is important that the valves be opened or closed slowly and that the outlet pressure be vented before venting inlet pressure to prevent damage caused by reverse pressurization of the regulator.
- Page 3 CSB400 Series new balanced O-ring port assembly pitot tube Step 5. Remove new balance port assembly from repair kit. Verify the new balance port assembly has a green stripped spring. If it does not have a green stripped spring, it is an old balance port assembly and should not be used. O-rings will come well-lubed with Dow Corning 33 and installed on the balance port assembly.
- Page 4 CSB400 Series old actuator stem gently pull Stem cap Stem O-ring seal Step 7. Remove the old stem and stem guide from actuator by gripping the actuator stem with a pair of pliers and gently pulling the stem guide until the O-ring seal breaks free. The use of pliers to remove the stem will permanently damage the stem.
- Page 5 CSB400 Series place the actuator back on the body tighten bolts 10 to 13 ft-lbs / 13.6 to 17.6 N•m tighten two bolts in alternating manner Step 9. Place the actuator back on the body, place the provided stainless steel tag (See Figure 1) over one of the two 1/2-inch / 13 mm bolts which hold the lower casing to the body and tighten in an alternating manner with 10 to 13 ft-lbs / 13.6 to 17.6 N•m of torque.
- Page 6 NOTE: SPRING SHOULD HAVE CSB400 Series GREEN STRIPE O-RING NOTE: SPRING SHOULD HAVE O-RING GREEN STRIPE O-RING BALANCED PORT ASSEMBLY O-RING BALANCED PORT ASSEMBLY GaZ BaLanCE POrT aSSEMBLy - inTErnaL rEGiSTraTiOn NOTE: SPRING SHOULD HAVE GREEN STRIPE O-RING NOTE: SPRING SHOULD HAVE GREEN STRIPE O-RING O-RING...
- Page 7 CSB400 Series O-RING VALVE STEM STEM CAP STEM GUIDE inTErnaL/DuaL rEGiSTraTiOn kiT ParTS (nO SCrEWS) aPPLy DOW COrninG 33 Or COMParaBLE EXTrEME LOW TEMPEraTurE LuBriCanT (L): ® 1. For kit part numbers (See Table 1): RCSB400BPK1 RCSB400BPK2 RCSB400BPK3 RCSB400BPK4 Dow Corning is a registered trademark owned by Dow Corning Corporation.
- Page 8 The Emerson logo is a trademark and service mark of Emerson Electric Co. All other marks are the property of their prospective owners. Fisher is a mark owned by Fisher Controls International LLC, a business of Emerson Process Management.