cutskill 35a
SERVICE 5-4 June 30, 2009
3) Faulty components in unit
a. Return for repair or have qualified technician repair per service manual.
I. Cutting output is unstable or inadequate.
1) Input or output connection is poor
a. Check all input and output connection leads.
2) Working cable connection is poor.
a. Make sure that work cable has a proper connection to a clean, dry area of the
work piece.
3) Fluctuations in input power
a. Have electrician check input line voltage.
J. Hard to startup
1) Torch parts worn (consumables)
a. Turn off input power, remove shield cup, tip, start cartridge, and electrode
and check them all. If the electrode or cutting tip is worn out, replace them.
If the start cartridge does not move freely, replace it. If there is too much spat-
ter on shield cup, replace it.
K. Arc goes out while operating. Arc can’t be restarted when torch trigger is activated.
1) Power Supply is overheated (TEMP indicator
ON).
a. Let unit cool down for at least 5 minutes. Make sure the unit has not been
operated beyond duty cycle limit.
2) Fan blades blocked (TEMP indicator
ON).
a. Check and clear blades.
3) Air flow blocked
a. Check for blocked air flow around the unit and correct condition.
4) Gas pressure is too low. (Air indicator
ON when torch trigger is activated.)
a. Check gas source, It should be set to at least 65 PSI/4.5 bar. Adjust it as
needed.
5) Torch parts worn
a. Check torch shield cup, cutting tip, start cartridge and electrode. Replace as
needed.
6) Faulty component in unit
a. Return for repair or have qualified technician repair per service manual.
L. Torch cuts but not well.
1) Current control is set too low.
a. Increase the current setting.
2) Torch is being moved too fast across work piece
a. Reduce cutting speed.
3) Excessive oil or moisture in torch
a. Hold torch 1/8 inch (3 mm) from clean surface while purging and observe
oil or moisture buildup (do not activate torch). If there are contaminants in the
gas, additional filtering may be needed.
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