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CobraMAX™ Owner's Manual - Page 1
Section A Installation
Technical Specications
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 Water cooled - 60%
Support Equipment Required
• C.V. or C.C. power source of sufcient 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 psi when using water cooled guns.
Coolant Recommendations
Use a name-brand additive, which does not contain reactive sulphur or
chlorine and does not react with copper, brass or aluminum or create a
custom mix using this formula:
Use 3 Gallons (11.4 Liters) Distilled water.
Use 1 Gallon (3.8 Liters) ethylene glycol.
Use 1 tsp (5 ml) liquid glycerin
The Coolant rate should be 1 quart (.95 liter) / minute at 35 p.s.i.
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 with torque requirments of 100+5 IN-LB.
The power cable tting connects to the power block in the Cobramatic
®
wire
feed cabinet.
Power Cable - Water Cooled
The CobraMAX
™
water cooled gun utilizes a power/water cable with a #4
AWG cable inside a 5/8” (16MM) diameter hose. The gun end is threaded
into the gun body with torque requirements of 100+5 IN-LB.
IMPORTANT
Water cooled guns MUST be WATER cooled.
Conduit
The CobraMAX
™
gun comes standard with a poly-lined conduit, for feeding
aluminum wire. The longer tting 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.