MK Products Cobramatic II User Manual
Page 8
Cobramatic
®
II Owner's Manual - Page 1
S
ECTION
A I
NSTALLATION
T
ECHNICAL
S
PECIFICATIONS
Wire Diameter Capacity .030 - 1/16" ALL Types
Wire Capacity 12" Standard (Insulated or Non-Insulated)
Power Input 42 VAC 50/60 Hz
110 VAC 50/60 Hz
150 Watts Peak
Wire Feed Rate (Depending on Torch used) 10--1000 ipm
Weight 31
pounds
Shipping Weight 37
pounds
Compatible Torches All MK 7pin Amphenol Plug Mig Torches
MK
RoboKing
Automated
Torch
S
UPPORT
E
QUIPMENT
R
EQUIRED
MK 2000A Power Supply or any 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.
Water source and hose capable of providing a minimum of 1 qt/min. at 45
p.s.i. when using water cooled torches.
C
OOLANT
R
ECOMMENDATIONS
Use a name-brand additive which does not contain reactive
sulphur or chlorine and does not react with copper,
brass, or aluminum. Here's also mixture that works well :
Use 3 Gallons (11.4 Liters) deionized water. (NOT
DISTILLED)
Use 1 Gallon (3.8 Liters) ethleyne glycol.
Use 1 tsp (5 ml) liquid glycerin per gallon (3.8 Liters) of
mixture
Check coolant periodically to remain within limits of the following:
Coolant Flow rate - 1 quart/minute at 45 p.s.i.
Resistivity - 10K ohms/centimeter
Ph Range - 5.5-8.5
Particle Size - .005"
M
ACHINE
G
ROUNDING
The Cobramatic
®
II 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.
M
ACHINE
L
OCATION
The cabinet should be placed in a location where it can be protected from
damage. Lead lengths and accessibility to input power(42/110VAC 50/60 Hz)
must also be considered when installing the cabinet.
C
ONTACTOR
S
ELECTION
- (F
IG
. 1)
The Cobramatic
®
II is shipped from the factory in the closing contacts
position. A six foot (6') contactor cable is supplied with the unit to which the
black and white wires supply the contactor signal.
If a 115 VAC contactor out signal is required, remove the screws from the left