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The following Figures D.2 and D.3 should serve as a
guide to determine if a particular gun or switch can be
connected to the LN-9 GMA and LN-9F GMA.
“A” Diameter Hole
to be Concentric to
Wire Size .749/.747 (19.0/18.9)
in. (mm) Diameter Within .008 (.20) F.I.M.
0.68-5/64 (1.7-2.0) .125 [1/8” (3.2 mm) Drill]
1/16-0.062 (1.6) .078 [5/64” (2.0 mm) Drill]
.045 & .052 (1.1 & 1.3) .062 [1/16” (1.6 mm) Drill]
.023-.035 (0.6-0.9) .055 [(1.4 mm) #54 Drill]
All dimensions in inches and (millimeters).
1/2 Amp AC 24 Volts — Inductive
1/2 Amp DC 24 Volts — Inductive
MAINTENANCE
D-4 D-4
LN-9 GMA Wire Feeder
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FIGURE D.2 – LN-9 GMA CONNECTORS
GUN CABLE CONNECTOR REQUIRE-
MENTS TO PERMIT PROPER CONNEC-
TION TO LINCOLN LN-9 GMA AND LN-9F
GMA WIRE FEEDER
LN-9 CONNECTOR FOR 1/16-5/64” (1.6-2.0 MM) WIRE)
LN-9 CABLE CONNECTOR FOR .023-.052” (0.6-1.3 mm)
WIRE (FOR ALL OTHER DIMENSIONS, SEE DIAGRAM
ABOVE).
NOTE: Connector part with .7459/.747 (19.0/18.9)
diameter should be made from brass if it is to be part
of the welding current carrying circuit.
FIGURE D.2 – SWITCH REQUIREMENTS