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CAUSES
10. Rapid pressure drop on both High and Low Pressure Gauges.
a. Loose connection – Bonnet to
Body.
b. Loose connection – Regulator to
Test Manifold.
11. Rapid increase in Low Pressure Gauge reading.
a. Damaged or loose Nozzle.
b. Heavy accumulation of foreign
particles on Seat Assembly or
seating surfaces.
c. Missing or damaged Nozzle O-
Ring.
d. Improper Adjusting Spring (spring
too long).
12. Relief Valve opens at a greater or less than marked pressure (outside a
pressure tolerance of ±15% of the marked pressure).
a. Incorrect Spring used.
b. Relief Valve not set properly.
U.S. Customer Care: 800-426-1888
WOR L D H E A DQUA RT E RS :
THE AMERICAS
Denton, TX USA
Oakville,Ontario, Canada
U.S. CustomerCare
CanadaCustom er Care
Ph: (1) 800-426-1888
Ph: (1) 905-827-4515
Fax: (1) 800-535-0557
Fax: (1) 800-588-1714
Miami, FL USA
Sales Office, LatinAmerica
International Custom e r Care
Ph: (1) 954-727-83 71
Ph: (1) 905-827-9777
Fax: (1) 954-727-8376
Fax: (1) 905-827-9797
Form No. 0056-1966
Revision: D
/
800-535-0557
International Customer Care: 940-381-1212 /
FAX
•
1 60 5 2 S w in gl ey R i dg e R o a d , S u i t e 3 0 0 •
EUROPE
ASIA/PACIFIC
Chorl e y, United King dom
Cikarang, Indon esia
Custom er Care
Custome r Care
Ph: (44) 1257-2 61755
Ph: 62 21+8983-0011 / 0012
Fax: (44) 1257-224800
Fax: 62 21+893-606 7
Milan, Italy
Osaka, Japa n
Customer Care
SalesOffice
Ph: (39) 0236546801
Ph: 816-4809-8411
Fax: (39) 0236546840
Fax: 816-4809 -8412
© Thermadyne Industries, Inc., 2011
- 29 -
POSSIBLE CORRECTIVE ACTIONS
Tighten Bonnet Screws using 12-15 ft-lbs.
Follow the sequence shown in STEP 19
FIGURE 1 of the Assembly Procedure.
Insure Regulator is securely tightened to the
Manifold.
Replace and/or tighten the Nozzle to 20 ft-
lbs torque.
Clean seating surfaces and/or replace Seat
Assembly.
Inspect and install or replace O-Ring as
necessary.
Replace Adjusting Spring.
Replace with correct Spring.
Repeat Relief Valve assembly/test
procedure STEP 6.
A Global Cutting & Welding Market Leader
Melbour n e, Austr alia
Australia Customer Care
Ph: 1300-654-674
Fax: 613+9474-7391
International
Ph: 613+9474-7508
Fax: 613+9474-7488
940-483-8178
FAX
www.victorequip.com
S t. L ou i s, Mi ss o ur i 6 3 0 1 7 U. S. A
Rawang , Malaysi a
Custome r Care
Ph: 603+6092-2988
Fax: 603+6092-1085
www.thermadyne.com
™
.
Shangha i, China
SalesOffice
Ph: 86 21+6280-1273
Fax: 86 21+ 3226-095
5
Singapo re
SalesOffice
Ph: 65+6832-8066
Fax: 65+6763- 5812
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