Lincoln Electric NA-5N Service Manual page 12

A-5
To install the control box on a fixture,
perform the following steps and refer to
Figure A.3.
1. Align the mounting holes on the back
and/or bottom of the control box with
the holes you put in the fixture
according to the measurements
provided in Figure A.3.
2. Secure the control box to the fixture
using lock washers and hex head
screws at each of the mounting holes.
FIGURE A.3 – CONTROL BOX
1.34
(34.04)
1.71
(43.43)
1.09
(27.68)
1.71
(43.43)
NOTE: DIMENSIONS ARE IN INCHES
INSTALLATION
FIXTURE MOUNTING.
VIEW FROM BACK
(10.41)
0.28 (7.11) SLOTS
4 PLACES
0.562 DIA (14.27)
2 HOLES
12.75
(323.85)
12.00
(304.8)
1/4-20
(10.92)
THREAD HOLES
VIEW FROM BOTTOM
12.00
(304.8)
1/4-20 THREAD HOLES
FRONT
WITH MILLIMETERS IN
PARENTHESES.
NA-5
WELDING HEAD INSTALLATION
The welding head can be mounted either
with the standard head mounting hardware
or with the horizontal head and/or vertical lift
adjusters. Design the installation of your
welding head so it meets the adjustability
requirements of your welding application.
Refer to Section C, Accessories, for more
information regarding the adjustable
mounting hardware.
The welding head and electrode are
electrically "hot" when welding. They must
be insulated from ground.
Standard head mounting hardware and
insulation are shipped with the NA-5
welding head. If you are mounting the
welding head on a separate fixture, provide
0.41
the mounting holes for the standard head
mount as specified in Figure A.4. For best
arc striking, use a rigid mounting that
prevents the head from moving when the
electrode strikes the work.
FIGURE A.4 – WELDING HEAD
13.77
MOUNTING HOLES.
(349.76)
0.531 DIA.
(13.49)
0.43
4.265
(108.33)
NOTE: DIMENSIONS ARE IN INCHES
WITH MILLIMETERS IN
3.50
PARENTHESES.
(88.9)
A-5
APPROXIMATE
INSULATOR
SIZE
2.88
(73.15)
2.62
(66.55)
4.5
(114.30)