Lincoln International K2259-1 - Manual (Page 11)

Cobramatic ® Owner’s Manual - page 1
Section A Installation
Technical Specifications
Wire Diameter Capacity ............................. .030” - .045” Solid and Hard wire
...................................................................... .030” - 1/16” Aluminum
Wire Capacity ...................................................... 12” Standard
(Insulated or Non-Insulated)
Power Input ......................................................... 42 VAC 50/60 Hz,
............................................................................... 150 Watts Peak (3 amps)
Weight .................................................................. 42 pounds
Shipping Weight ................................................. 47 pounds
Support Equipment Required
C.V. or C.C. Power Source of Sufficient Capacity for Your Needs.
Regulated Gas Supply and Hoses.
Properly Sized Power Leads from Power Source to Wire Feeder and Ground.
Coolant Recommendations (for Water Cooled Guns)
Water Source and Hose Capable of Providing a Minimum of 1 qt/min. at 45
p.s.i. when using water cooled guns.
MK Recommended Coolant Solution:
1 part ethylene glycol
3 parts distilled water
1 teaspoon liquid glycerin
Check coolant periodically to remain within limits of the following:
A. Coolant Flow rate - 1 quart/minute at 45 p.s.i.
B. Resistivity - 10K ohms/centimeter
C. Ph Range - 5.5-8.5
D. Particle Size - .005”
Machine Grounding
The Cobramatic ® and GMAW wire feeders are grounded to the power source
through the input cable. The power source grounding terminal must be prop-
erly connected to electrical ground per the power source operating manual.
Mounting Location
The cabinet should be placed in a location where it can be protected from
damage. Lead lengths and accessibility must also be considered when
installing the cabinet.
Input Power Connections
Your Wire Feeder comes factory ready with a harness to plug directly into all
14 pin Lincoln Power Sources equipped with 42 VAC auxiliary.
The 42 VAC is connected to the PC Board on terminal strip J5 #1 (neutral-
white) and #2 (hot-black) and Ground (green) to the Cabinet chassis. See
diagram in the appendix.
Wire Threading Procedure
Wire Spool Installation
Release latches, and open right side door of cabinet.
Remove spool retainer nut from spindle hub.