Maintenance – Lincoln Electric IM355-C LN-9 GMA User Manual
Page 54
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-3
D-3
LN-9 GMA and LN-9F GMA Wire Feeder
FIGURE D.2 – LN-9 GMA CONNECTORS
Connector must be
insulated in this area
Style "A"
1
.2
5
m
a
x
(
3
1
.7
)
2.00
(51.0)
1.25
(31.7)
1.00
(25.4)
.252 (6.40)
.260 (6.60)
.295 (7.49)
.290 (7.36)
"A" DIA HOLE
.062R (1.5R)
.03 x 45
°
(.76 x 45
°
)
.7
4
9
(
1
9
.0
)
.7
4
7
(
1
8
.9
)
.6
2
(
1
5
.7
)
D
IA
.
Connector must be
insulated in this area
Style "A"
1
.2
5
m
a
x
(3
1
.7
)
2.00
(51.0)
1.25
(31.7)
1.00
(25.4)
.252 (6.40)
.260 (6.60)
.295 (7.49)
.290 (7.36)
"A" DIA HOLE
.062R (1.5R)
.03 x 45
°
(.76 x 45
°
)
.7
4
9
(
1
9
.0
)
.7
4
7
(
1
8
.9
)
.6
2
(
1
5
.7
)
D
IA
.
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)
Style "B"
.03 x 45
°
(.76 x 45
°
)
"A" DIA HOLE
.180 (4.5)
.160 (4.0)
.495 (12.5) DIA. MAX.
Style "B"
.03 x 45
°
(.76 x 45
°
)
"A" DIA HOLE
.180 (4.5)
.160 (4.0)
.495 (12.5) DIA. MAX.
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.
To Gun Switch
Connect Leads to
Pins "A" & "C"
S12024-1 (L.E. Part No.)
Amphenol AN3057-10 (or equiv.)
S12020-6 (L.E. Part No.)
Amphenol MS-3106A-18-11P (or equiv.)
To Gun Switch
Connect Leads to
Pins "A" & "C"
S12024-1 (L.E. Part No.)
Amphenol AN3057-10 (or equiv.)
S12020-6 (L.E. Part No.)
Amphenol MS-3106A-18-11P (or equiv.)
FIGURE D.2 – SWITCH REQUIREMENTS