Parker AFL Series - Troubleshooting High Pressure Liquid Issues; Pump Service and Support

02-9309ME March2013© 2013 Parker Hannin Corporation | Autoclave Engineers is a registered trademark of the Parker Hannin Corporation
Parker Hannin Manufacturing Ltd.
Instrumentation Products Division, Europe
Industrial Estate Whitemill
Wexford, Republic of Ireland
PH: 353 53 914 1566
FAX: 353 53 914 1582
Instrumentation Products Division
Autoclave Engineers Operation
8325 Hessinger Drive
Erie, Pennsylvania 16509-4679 USA
PH: 814-860-5700 FAX: 814-860-5811
www.autoclave.com
WARNING
FAILURE, IMPROPER SELECTION OR IMPROPER USE OF THE PRODUCTS AND/OR SYSTEMS DESCRIBED HEREIN OR RELATED ITEMS CAN CAUSE DEATH, PERSONAL INJURY AND PROPERTY DAMAGE.
This document and other information from Parker Hannin Corporation, its subsidiaries and authorized distributors provide product and/or system options for further investigation by users having technical expertise. It is important that you analyze all aspects
of your application and review the information concerning the product or system in the current product catalog. Due to the variety of operating conditions and applications for these products or systems, the user, through its own analysis and testing, is solely
responsible for making the nal selection of the products and systems and assuring that all performance, safety and warning requirements of the application are met. The products described herein, including without limitation, product features, specications,
designs, availability and pricing, are subject to change by Parker Hannin Corporation and its subsidiaries at any time without notice.
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ISO-9001 Certied
Section 12.0
Trouble Shooting - High Pressure
Liquid Section
Problem: Pump does not produce liquid ow, operates
irregularly or does not maintain pressure.
Cause: a) Air in the hydraulic system.
b) Suction line excessively long.
c) Suction tubing sized too small.
d) Failure of one of the check valves.
e) Liquid inlet lter is blocked.
f) High pressure seal excessively worn.
g) O-ring in pump head is leaking.
Solution: a) Check inlet suction line and connections
for leaks and allow pump to ow freely
downstream so as to remove any air.
b) Shorten liquid supply line.
c) Increase tubing ID size between reservoir
and pump inlet.
d) Clean or replace both inlet and outlet check
valve assemblies.
e) Clean or replace liquid inlet lter.
f) Replace high pressure seal assembly.
g) Replace o-ring in pump head.
Problem: Fluid leaking at isolation chamber drain connection.
Cause: High pressure seal is leaking.
Solution: Replace high pressure seal.
Section 13.0
Service
Contact Parker Autoclave Engineers for service. Pumps can be
sent directly to Parker Autoclave Engineers for service. Pumps
returned for service should be accompanied with the model
number, serial number, manufacture date and problems you are
experiencing.
!
WARNING
Use only originally specied parts when installing or
maintaining high-pressure equipment and follow all
Parker Autoclave Engineers maintenance and
assembly procedures. Do not use any parts from other
equipment to make repairs or modications. Contact
Parker Autoclave Engineers with any
questions or if sufcient information to complete the
installation, maintenance and operation of the
equipment has not been included.