Maintenance; Daily Or As Necessary - ESAB PSF 250 Instruction Manual

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7

MAINTENANCE

Regular maintenance is important for safe, reliable operation.
Note!
All guarantee undertakings from the supplier cease to apply if the customer himself
attempts any work in the product during the guarantee period in order to rectify any
faults.
7.1

Daily or as necessary

A regular programme of care and maintenance reduces unnecessary and expensive
downtime.
Each time an wire bobbin is changed, the welding hose should be removed from
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the supply unit and blown clean with compressed air.
The wire end must not have sharp edges when inserted into the wire guide. This
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is especially important when using Teflon coated wire guides.
Tips and nozzles
Remove the gas nozzle, spatter protector, tip adapter and contact tip.
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Clean any spatter from the gas nozzle, tip adaptor and contact tip so that the
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shielding gas can flow freely, thus eliminating the risk of a short circuit.
Check that the gas nozzle is free from defects. Damaged or worn tips/nozzles
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should be replaced with a new one.
The spatter protector in the gas nozzle must be replaced once its front end
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wears thin.
Select contact tip to suit wire dimension.
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Mount the fittings.
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Welding spray in the gas nozzle diminishes gas protection and increases the
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danger of spark--over.
Clean the equipment on a regular basis and use sparing amounts of welding
paste or welding spray.
The gas nozzle and the front parts of the
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welding torch must be kept free of weld
spatter. Spray anti--spatter agent at an
angle into the gas nozzle from two
directions. Use ESAB anti--spatter agent
to prevent spatter sticking.
Note! Never spray directly into the
nozzle. Too much spray can attract dirt.
The contact tip should be replaced when the hole opening is worn to more than
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double the wire diameter. Make sure that the new tip is screwed into the base.
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