MK Products Cobramatic 42VAC - Manual (Page 9)

Cobramatic ® Owner’s Manual - page 3
Section A Installation
Technical Specifications
Wire Diameter Capacity ............................... .030 inch - 1/16 inch ALL Types
Wire Spool Capacity ...................................12 inch Standard
.......................................................................(Insulated or Non-Insulated)
Power Input .................................................42 VAC 50/60 Hz,
.......................................................................150 Watts Peak (3 amps)
Weight ..........................................................41 pounds
Shipping Weight .........................................46 pounds
For Use with torch prefix number .............14X, 16X, and 21X
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
Coolant recirculator and hose capable of providing a minimum of 1 quart per
minute at 45 p.s.i. when using water cooled torches.
Use a name-brand additive which does not contain reactive sulphur or
chlorine and does not react with copper, brass, or aluminum.
Check coolant periodically to remain within limits of the following:
A. Coolant Flow rate - 1 quart per minute at 45 p.s.i.
B. Resistivity - 10K ohms/centimeter
C. Ph Range - 5.5-8.5
D. Particle Size - .005 inch
MK Recommended Coolant Solution:
1 part ethylene glycol
3 parts distilled water
1 teaspoon liquid glycerin
Machine Grounding
The Cobramatic® and GMAW wire feeders are ground to the power source
through the input cable. The power source grounding terminal must be
properly 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 Connections
(See Cabinet and Torch Hook-Up in the Appendix)
42 VAC
Your Wire Feeder comes factory ready to connect into any standard 42VAC
power supply.
The
42VAC is connected to the PC Board on terminal strip J5 #1 (neutral)
and #2 (hot) and Ground to the Cabinet chassis. See diagram in the
appendix.