MK Products Cobramatic 120 VAC V6 - Manual (Page 16)

Cobramatic ® Owner’s Manual - page 8
Section C Optional Kits
The following is a list of Optional Power Supply Interface Cable Kits available
for the Cobramatic ® Wire Feeder.
8ft Interface Cable for Miller 14-Pin, 115VAC ................................005-0316
25ft Interface Cable for Miller 14-Pin, 115VAC ..............................005-0658
When properly connected, these interface cables will supply all the neces-
sary signals and power needed, from most Miller welding power supplies: a
Closing Contact signal and 115VAC input power.
8ft Interface Cable for Lincoln 14-Pin, 115VAC ............................. 005-0608
25ft Interface Cable for Lincoln 14-Pin, 115VAC ........................... 005-0659
When properly connected, these interface cables will supply all the neces-
sary signals and power needed, from most Lincoln Electric welding power
supplies: a Closing Contact signal and 115VAC input power.
8ft Interface Cable for Thermal Arc 19-Pin, 115VAC ..................... 005-0630
When properly connected, these interface cables will supply all the neces-
sary signals and power needed, from most Thermal Arc welding power sup-
plies: a Closing Contact signal and 115VAC input power.
8ft Interface Cable for ESAB 19-Pin, 115VAC ................................ 005-0705
When properly connected, these interface cables will supply all the neces-
sary signals and power needed, from most ESAB welding power supplies: a
Closing Contact signal and 115VAC input power.
Section D Maintenance
Routine Maintenance
Your Cobramatic ® system is designed to provide years of reliable service.
Normal wear and component mortality may require occasional service.
The number of units in operation and the importance of minimal “down time”
will determine to what extent spare parts should be stocked on hand.
If repairs do become necessary, any part can easily be replaced by qualified
shop maintenance personnel.
Maintenance of the gun will normally consist of a general cleaning of the wire
guide system, including tubes, drive rolls, and conduits at regular intervals.
Remove spatter build-up from inside of nozzles with a hardwood stick.
The only parts on the Cobramatic
® system that are subject to normal wear
are the conduit, contact tips, gas cups, front body liners, wire guides, drive
and idler rolls (parts that contact the welding wire). A supply of these parts
should be maintained.
Testing the Feeder
Testing the Input Power Circuits
The AC circuits are protected by fuses F1 and F2 (see page 15 for location).
If these fail, especially when powering up the cabinet, remove the connectors
for the components that draw on this power, J6 (Brake Solenoid), J7 (Slave
Motor) and J5-3 & 4 (AC Contactor - if used) from the P.C. Board. Replace
fuses and retrigger system. If fuses do not fail, isolate the problem by plug-
ging in J4, J7, and J5-3,4 one at a time until the fuses fail.
Testing the Speed Control
NOTE:
The gun should be tested prior to testing circuitry on the main board.
Gun amphenol must be connected to the Cobramatic ® cabinet to per-
form the following tests.