Cashco POSR-1 - Manual (Page 10)

IOM-POSR-1 10
2. Regulator won't maintain downstream set pressure.
Possible Causes Remedies
A. Valve undersized. A. Resize based on actual service conditions.
B. Incorrect range spring. B. Replace range spring.Replace range spring.
C. Failed bellows. C. Replace bellows assembly.
D. Pressure drop less than required 15 psid (1 Bard). D. Contact your Cashco Representative.
E. Insuffi ciently sloped line. E. Move tap from top of pipe to side; or, increase sensing tube to 3/8"
OD.
3. Leakage through the pilot spring chamber vent hole.
Possible Causes Remedies
A. Defective diaphragm. A. Replace diaphragm.
4. Excessive pressure downstream.
Possible Causes Remedies
A. Main valve or pilot plug not closing. A. Inspect the seating of the main valve and then the pilot plug seating.
Clean or replace. Check seat gaskets; replace.
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.
– 7 –
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.
The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not to be
construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. We reserve the right to
modify or improve the designs or specifi cations of such product at any time without notice.
Cashco, Inc. does not assume responsibility for the selection, use or maintenance of any product. Responsibility for proper selection, use and maintenance of any
Cashco, Inc. product remains solely with the purchaser.