Lincoln Electric NA-5N Service Manual page 10

A-3
FIGURE A.1 – BASIC CONTROL AND WIRE DRIVE SYSTEM.
CONTROL
CABLE
TO
POWER
SOURCE
TACHOMETER
CABLE
4 FT (1.2 M) CABLE
(DRIVE MOTOR TO
CONTROL BOX)
4 FT (1.2 M) ELECTRODE CABLES
[(TWO 4/0) CONTACT ASSEMBLY
INSTALLATION
TO CONTROL BOX]
NA-5
CONTROL BOX
HEAD MOUNTING PARTS
(WITH INSULATION
AND HARDWARE)
MOTOR
GEAR BOX
CONTACT
ASSEMBLY
(OPTIONAL)
A-3
WIRE
STRAIGHTENER
CROSS
SEAM
ADJUSTER