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5. IMPORTANT! The Pressure Adjusting Screw on the Acetylene Regulator (not
included) and the Pressure Adjusting Screw on the Oxygen Regulator (not included)
should be opened slightly by turning counterclockwise to relieve pressure on the
regulator diaphragms before opening the cylinder valves. If this is not done, pres-
sure from the cylinders may damage the diaphragms and render the regulators
inoperable. (See Figure B.)
6. Check connections for leaks. Adjust the Acetylene Regulator and Oxygen Regulator
operating pressure to coincide with the Tip used (1, 12, 13, 14, 15). Use an approved
leak detection solution to check for leaks at the Welding Hoses (7, 8) and cylinder
valve connections. If leaks are found, tighten the nuts more securely. If a leak still
persists, discontinue use and call your gas supplier. (See Figures B and C.)
7. WARNING! NEVER set the Acetylene Regulator to a delivery pressure
above that of which is required for a specific Tip (1, 12, 13, 14, 15) used.
(See Figures B and C.)
GREEN
(OXYGEN)
HOSE
(7)
RED
(ACETYLENE)
HOSE
(8)
TIP (1, 12, 13,14,15)
VALVE STEM (OXYGEN) (9)
VALVE STEM
(ACETYLENE)
(10)
OXYGEN REGULATOR
ACETYLENE REGULATOR
CYLINDER VALVE
CYLINDER VALVE
PRESSURE ADJUSTING SCREW
PRESSURE ADJUSTING SCREW
ACETYLENE CYLINDER
OXYGEN CYLINDER
FIGURE B
FIGURE C
MIXER (2)
TORCH HANDLE (5)
SKU 95671 For technical questions, please call 1-800-444-3353 PAGE 8
Oxygen/Acetylene Gas Pressure Required
Tip #1 (0.2mm) Oxygen
Acetylene
2 P.S.I.
2 P.S.I.
Tip #12 (0.3mm) Oxygen
Acetylene
3 P.S.I.
3 P.S.I.
Tip #13 (0.4mm) Oxygen
Acetylene
4 P.S.I.
4 P.S.I.
Tip #14 (0.5mm) Oxygen
Acetylene
6 P.S.I.
5 P.S.I.
Tip #15 (0.6mm) Oxygen
Acetylene
6 P.S.I.
6 P.S.I.