Barksdale Series 20495 - Manual (Page 7)

Barksdale, Inc. 3211 Fruitland Avenue, Los Angeles CA 90058 (800)835-1060 www.barksdale.com Bulletin No. 272354-B, 4-3-14
7
Figure 3.
8.0 TROUBLE-SHOOTING
Caution: Table 4 is used as a quick trouble shooting tool and mainly for reference only. It does not mean
to list all possible causes and solutions to the problems as seen by the user on Regulator. Contact factory or
authorize dealers for technical support and issues.
Table 4.
PROBLEM POSSIBLE CAUSE SOLUTION / RECOMMENDATION
Handle
does not
move Outlet port line has pressure restrictions. Refer sales drawing for outlet pressure range.
Vent port has restrictions. Connect Vent port line to atm tank.
No
Actuation
No pilot pressure Provide pressure to pilot line
Pilot line pressure blocked Only one pilot port may be pressurized at a time.
Locking handle not tight. Tighten handle with rubber mallet.
Pilot line leaking Tighten or replace pilot line.
External
leakage Loose connections Tighten connections.
Exceeding maximum working pressure Refer to data sheet
Internal
leakage
Wear/Tear of pressure seals and O rings Replace with new Seals and O‐Rings.
8.0 MAINTENANCE INSTRUCTIONS
CAUTIONS
All repair of Barksdale Shear-Seal® Regulators should be performed in a clean area free of excess dirt
and debris. The Shear-Seal® components are manufactured to precise tolerances and can be
damaged if proper care is not taken.
WARNING
Isolate the regulator from all system pressure before performing any disassembly procedures.
Exploded view provided by Barksdale and/or distributor for reference only. It is strongly recommended that
all repairs and kit installations are completed by appropriately trained personnel. The customer will assume all
risk associated with the use of unauthorized parts or personnel.