2. Check air supply for oil or a great deal of water. If there is oil or a great deal of water, the air must be filtered or the machine switched to nitrogen or bottled air.
3. Make sure the air pressure is set at 65 psi.
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
1. Check the torch consumables to be sure they are in tight, not dirty or greasy and in good shape. Replace if necessary.
The arc starts but sputters badly.
When the trigger is pulled air begins 1. Check the torch consumables to be to flow, but there is no pilot arc after sure they are not dirty or greasy,
at least 3 seconds.and are in good shape. Replace the consumables if necessary.
2. Make sure the air pressure is set at 65 psi.
3. Make sure there are no kinks or restrictions for air flow in the torch cable. Replace cable as needed.
4. If a slight thump cannot be felt in the torch when the trigger is pulled, check for loose connection in the torch head and solenoid assembly.
5. Possible fault in Control board.
The air begins to flow and there is a 1. Check the torch consumables to very brief arc that snaps out consis- be sure they are in tight, not dirty
tently with repeated trigger pulls. or greasy and in good shape. Replace if necessary.
If all recommended possible areas of
2. Make sure the air pressure is set misadjustment have been checked
at 65 psi.and the problem persists, Contact your local Lincoln Authorized
3. Possible fault in Control board. Field Service Facility.
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