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Item 98958
SAFETy
WELdINg
CUTTINg
MAINTENANCE
SETUp
5. Open the Acetylene Torch Valve about 1/4 turn,
and quickly ignite the acetylene gas
coming out of the Nozzle by squeezing the
handle of the striker, creating a spark.
WARNINg!
Do not use matches or a
butane lighter to light the Torch.
1/4 turn
Acetylene (gAS)
Torch Valve
Striker
Cutting Step 5: Lighting Acetylene
6. Put the striker down on a fireproof surface.
Slowly open the Acetylene Torch Valve
farther until the flame feathers at its
edge slightly, as shown below.
Cutting Step 6: Slowly Open
Acetylene Torch Valve Until Flame Feathers
7.
do not squeeze the Oxygen Cutting Lever.
Open the Oxygen Torch Valve.
Oxygen (OXy)
Torch Valve
Cutting Step 7: Open Oxygen Torch Valve
8.
Flame Adjustment:
a. Starting to Add Oxygen:
Slowly open the Pre-heat Oxygen Valve.
The flame will change to a carbonizing flame
with a blue/white inner core, a white halo
surrounding the core and a light orange flame as
shown in Cutting Step 8 illustration, below left.
b. proper Oxygen Mix:
Continue slowly turning the Pre-heat Oxygen
Valve until the large light orange section of the
flame becomes nearly colorless and the center of
the flame has a white core with little or no halo.
This is the “neutral” flame
needed for operation
as shown in
Cutting Step 8 illustration, below center.
c. Too Much Oxygen:
If you open the Pre-heat Oxygen Valve too far,
the large section of the flame will be
bluish-orange and the inner core will be small as
shown in Cutting Step 8 illustration, below right.
Close the Pre-heat Oxygen Valve slightly until
you achieve the flame described in step b above.
WARNINg!
Wear appropriate welding goggles.
9. After the flame is adjusted as explained
and illustrated, proceed with cutting:
a. Heat the edge where starting
the cut until it is red hot.
WARNINg!
Start the cut at
the edge of the workpiece.
If done improperly, attempting to start a cut in the
middle of the workpiece will splash molten metal
back at the operator.
do not attempt to start a cut
in the middle of a workpiece unless properly
trained in safe methods of starting these cuts.
b. After preheating, press the
Oxygen Cutting Lever and slowly guide the
torch along the cut line to cut the metal.
10. After cutting, follow shutdown
instructions on facing page.
Light
Orange
Flame
Bluish
Core
White
Acetylene
Halo
a. Starting to Add Oxygen
Nearly
Colorless
Flame
Blue-White
Core
Little or
No Halo
b. proper Oxygen Mix
Bluish-
Orange
Flame
Small, Less
Bright Core
c. Too Much Oxygen
Cutting Step 8: pre-heat Flame Adjustment
Open pre-heat
Oxygen Valve Slightly
Close pre-heat
Oxygen Valve Slightly
