MK Products Cobramatic 120VAC - Manual (Page 8)

Cobramatic ® Owner’s Manual - page 1
Section A Installation
Technical Specifi cations
Wire Diameter Capacity ...................................... .030 - 1/16” ALL Types
Wire Spool Capacity ........................................... 12” Standard
(Insulated or Non-Insulated)
Power Input ......................................................... 115 VAC 50/60 Hz,
............................................................................... 150 Watts Peak (1.3 amps)
Weight .................................................................. 41 pounds
Shipping Weight ................................................. 46 pounds
For Use with torch prefi x number ..................... 14X, 16X, 21X & 22X
Support Equipment Required
C.V. or C.C. Power Source of Suffi cient 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 qt/min.
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/minute at 45 p.s.i.
B. Resistivity - 10K ohms/centimeter
C. Ph Range - 5.5-8.5
D. Particle Size - .005”
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)
115 VAC
Your Wire Feeder comes factory ready with a standard 3-prong plug ready
to connect into any standard 120VAC, 15 A receptacle. Several optional, pre-
wired harnesses are available for different power supplies. See part numbers
and description of each in the OPTIONAL KITS section of this manual.
The 115 VAC 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.