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SERVICE & REPAIR INSTRUCTIONS
ESS7, EST4, ESL4 & ELC4 Single Stage EDGE™ Series Regulators
Apparatus improperly operated, maintained or repaired can be dangerous!
Service and repair of
Technician. The term "Qualified Repair Technician" refers to repair personnel capable
of servicing apparatus in strict accordance with all applicable Victor "Parts & Service
Bulletins" and literature. Improper service or repair, or modification of the product,
could result in damage to the product or injury to the operator.
Protect your investment! Some parts and accessories manufactured by others may fit
VICTOR
apparatus, but not conform to
function. For your own protection and the protection of your investment, specify and
VICTOR
use only
genuine parts and accessories. It's the only way to guarantee the
level of performance, safety and reliability that you expect from
GLOSSARY – COMMONLY USED TERMS
OUTLET PRESSURE: The pressure measured at the Regulator's outlet port.
INLET PRESSURE: The pressure measured immediately at the Regulator's entry.
DROP: A change in outlet pressure from a no-flow to flowing condition while the inlet
pressure remains constant.
RISE: An increase in outlet pressure as the inlet pressure decreases.
CREEP: A gradual increase in outlet pressure.
RECOMMENDED TOOLS & SUPPLIES FOR REPAIR PROCEDURES
•
Inlet Swivel Assembly Plug
•
1
5
9
11
/
",
/
",
/
",
2
8
16
•
Torque Wrench
•
9
/
" and 1" Open End Wrenches
16
•
1
3
1
/
",
/
" and
8
16
•
Flat Bottom Punch Set
•
Small, Long Shank Screwdriver
•
Bench Vise
•
Repair Tool RT-180 (8" Leverage Bar with
•
Oxygen-compatible Teflon® Tape
•
Loctite® #222 Threadlocker
•
CHRISTO-LUBE® #129 Lubricant.
ESS7/EST4/ESL4/ELC4
SECTION 3
WARNING!
VICTOR
apparatus should only be performed by a Qualified Repair
VICTOR
7
/
" and
/
" Sockets and Socket Wrench
16
8
/
" Hex Keys/Drivers
4
's exacting standards for quality, fit and
1
/
-18 NPT [M] End)
4
- 15 -
VICTOR
.
SECTION 3
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