MK Products CobraMAX - Manual (Page 9)

CobraMAX™ Owner's Manual - Page 1
Section A Installation
Technical Specifications
Wire Capacity
.030" - .045" (0.6mm - 1.2mm) solid and hard wire
.030" - 1/16" (0.8mm - 1.6mm) aluminum and cored wire
Wire Speed
800 IPM (20.3 mpm) max at rated feeder input voltage (120VAC / 42VAC)
Duty Cycle
All ratings are using Argon gas
200 Amps/25 Volts Air cooled - 60%
250 Amps/25 Volts Liquid cooled - 60%
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.
• Liquid 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 AWG power cable is used on the CobraMAX™ air cooled gun. The gun
end is threaded into the gun body. The power cable fitting connects to the
power block in the Cobramatic
® wire feed cabinet.
Power Cable - Liquid Cooled
CobraMAX ™ liquid cooled gun utilizes a power/liquid cable with a #4 AWG
cable inside a 5/8” (16MM) diameter hose.
IMPORTANT
Liquid cooled guns MUST be Liquid cooled.
Conduit
The CobraMAX ™ gun comes standard with a poly-lined conduit, for feeding
aluminum wire. The longer fitting with a shallow groove is used on the gun
end. A set screw located on top of the gun handle secures the conduit in
place.
Gas Hose
The gas hose is secured over the barbed gas fitting with a tie wrap. The
cabinet end of the gas hose uses our standard gas fitting (1/8” - 27 nps).
Liquid Hose
If so equipped; one end of the liquid hose is secured over the barbed liquid
fitting with a tie wrap and the other end is connected to the center fitting on
the power block.
Electric Cable