Cashco PGR-1 User Manual
Page 12
IOM-PGR-1
12
4. Diaphragm continually breaks (all regulators).
Possible Causes
Remedies
A.
Differential pressure across diaphragm may
have exceeded limits.
A1. Be aware of limits as well as where the various pressures are acting.
Install pressure safety equipment as necessary.
5. Leakage at diaphragm fl ange.
Possible Causes
Remedies
A.
Body bolts not torqued properly.
A.
Torque to proper value (see
Section VII, F-16).
B.
Pressures at diaphragm may be too high.
B.
Consult factory.
6. Leakage across seat.
Possible Causes
Remedies
A.
Contamination (debris) in regulator.
A.
Remove internals, clean, and if necessary, replace sealing and
seating elements. *
B.
Oversized regulator; valve plug operates
directly next to seat.
B. Check
actual
fl ow conditions; resize regulator for minimum and maxi-
mum fl ow; if necessary, replace with smaller regulator.
* Seat leakage may be diagnosed when a failure of the dynamic side seal has occurred. Inspect both potential internal leak paths.
SECTION IX
NEW REPLACEMENT UNIT:
Contact your local Cashco, Inc., Sales Rep re sen-
ta tive with the Serial Number and Product code.
With this information they can provide a quotation
for a new unit including a complete description,
price and availability.
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7
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IX. ORDERING INFORMATION
NEW REPLACEMENT UNIT vs PARTS "KIT" FOR FIELD REPAIR
To obtain a quotation or place an order, please retrieve the Serial Number and Product Code that was stamped on
the metal name plate and attached to the unit. This information can also be found on the Bill of Material ("BOM").
a parts list that was provided when unit was originally shipped. (Serial Number typically 6 digits). Product Code
typical format as follows: (last digit is alpha character that refl ects revision level for the product).
PARTS "KIT" for FIELD REPAIR:
Contact your local Cashco, Inc., Sales Rep re sen-
ta tive with the Serial Number and Product code.
Identify the parts and the quantity required to repair
the unit from the "BOM" sheet that was provided
when unit was originally shipped.
NOTE: Those part numbers that have a quantity indicated
under "Spare Parts" in column "A” refl ect minimum
parts required for inspection and rebuild, - "Soft
Goods Kit". Those in column “B” include minimum
trim replacement parts needed plus those "Soft
Goods" parts from column "A".
If the "BOM" is not available, refer to the cross-
sectional drawings included in this manual for part
identifi cation and selection.
A Local Sales Representative will provide quotation
for appropriate Kit Number, Price and Availability.
CAUTION
Do not attempt to alter the original construction of any
unit without assistance and approval from the factory. All
purposed changes will require a new name plate with ap-
propriate ratings and new product code to accommodate
the recommended part(s) changes.