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 plane of the work. Strike arc and push chamfering rod
TYPE: CHAMFERING or GOUGING- ARC
along the line of cut, quickly for a shallow groove,
more slowly or with a weaving motion, for a deeper
NSN: 9GD 3439-00-453-5950 (1/8X 14)
groove. If a deeper groove is required, repeat the
procedure.
POSITION: All
CHARACTERISTICS:
POLARITY: AC -DC Straight
The coating on this rod is heat resistant and the arc's
force is concentrated at the point of application.
RECOMMENDED AMPERAGES:
1/8 -250 to 350
NOTE: For carbon arc gouging and cutting use
Marcolite Aluminum Carbons, 1/4x 12 inches (NSN
USES:
Primary: This electrode can be used for chamfering
3439-01-138-3106, Electrode Carbon Arc Aluminum
1/4 for arc air.
or gouging all metals. Used for preparing sections
prior to welding, gouging out unwanted or defective
weld metal.
Secondary: Can be used for cutting or piercing all
metals. Use to sear oil-soaked cast iron prior to
welding by holding a long arc and rapidly passing over
oil-soaked area.
PROCEDURES:
Insert electrode into electrode holder and point
electrode, like a lance, in the direction of travel. Hold
electrode at an angle not more than 300 with the
1-27
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