MK Products Cobra MX Gun - ACWC - Manual (Page 9)

Cobra ® MX Owner's Manual - Page 1
Section A Installation
Technical Specifications
Wire Capacity
.030" - .045" (0.6mm - 1.2mm) solid hard wire, and cored wire
.030" - 1/16" (0.8mm - 1.6mm) aluminum
Wire Speed
800 IPM (20.3 mpm) max
Duty Cycle - 60%
All ratings are using Argon gas
175 Amps/25 Volts
Air Cooled, 1/4" Tip (Model 242)
200 Amps/25 Volts Air Cooled, 3/8" Tip (Model 243)
225 Amps/25 Volts Liquid Cooled, 1/4" Tip (Model 237)
250 Amps/25 Volts Liquid Cooled, 3/8" Tip (Model 238)
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.
• Water source and hose capable of providing a minimum of 1 quart
(.95 liter) / min. at 45 p.s.i. when using liquid cooled guns.
Coolant Recommendations
Use Cobra Coolant (Aluminum Protection), P/N 931-0060. Cobra Coolant
does not contain reactive sulphur or chlorine and does not react with copper,
brass or aluminum.
The coolant flow rate should be a minimum of 15 GPH (1 qt/min) between
35 and 45psi. Contact the re-circulator manufacturer for specifications on
pressure
Gun Lead Connections
Power Cable - Air Cooled
A #2 power cable is used on the Cobra ®
MX gooseneck gun. The gun end of the
cable is stripped to the copper strands
and wrapped with a copper strip. A
setscrew holds the cable securely in the
gun body with torque requirements of
55-60 in-lb. The cabinet end of the cable
is equipped with a 1/2" ring lug which
attaches to the top hole on the side of
the power block. Supplied with this gun
is a 3/8-16x5/8" bolt, a 3/8" spring lock
washer and a 5/8" flat washer to attach
the ring lug to the power block.
Power Cable - Liquid Cooled
Cobra ® MX liquid cooled gun utilizes a power/liquid cable with a #6 AWG
cable inside a 5/16” diameter hose. The gun end is threaded into the gun
body with torque requirements of 100+5 in-lb.