Installation / Operation; Torch / Consumables Inspection - Prest-O-Lite PT-31XL Manual Del Usuario

sectioN 3
3.1

torch / consumables inspection

For detailed installation and operation follow all torch instructions in the plasma system manual packed with your cut-
ting package. DO NOT install or attempt to operate this torch without following those instructions first.
WarNiNg
WarNiNg
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1. Periodically check the heat shield, electrode, nozzle, and swirl baffle. Replace if worn or damaged.
. The cable bundle assembly should be inspected periodically. If there are any cuts through the pro-
tective jacket or if gas leaks are noted, replace the damaged assembly.
. Do not continue to use torch if the electrode erodes to a length shorter than 0.6 inch (16mm) as
shown in Figure -1.
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4. The gas flow check valve is part of the safety interlock and is permanently assembled in the torch head.
The head must be replaced if this valve malfunctions. The light spring force used to close the ball
check can be felt by pushing on the electrode when assembling the front end components.
The electrode seat comes assembled in the front end of the torch. When using the XT consumables,
make sure the plunger, P/N 04, is installed under the seat. If missing, remove seat and install plunger.
Make sure seat is tightened firmly with a wrench but do NOT overtighten.
coNDitioNs uNDer Which extra precautioNs are to Be oB-
serVeD DuriNg plasma cuttiNg:
1. reFer to geNeral WarNiNgs iN maNual.
2. Do Not cut closeD coNtaiNers. aN explosioN maY result.
BeFore iNspectiNg or chaNgiNg coNsumaBles maKe sure
poWer sWitch oN the poWer source is iN the oFF positioN
aND primarY iNput poWer is DeeNergiZeD.
Be sure to iNstall the sWirl BaFFle iN the torch. Failure to
Do so WoulD alloW the NoZZle (tip) to coNtact the elec-
troDe. this coNtact WoulD permit high Voltage to Be ap-
plieD to the NoZZle. Your coNtact With the NoZZle or
WorKpiece coulD theN result iN serious iNJurY or Death BY
electric shocK.
the torch heaD coNtaiNs a gas FloW checK ValVe that acts
iN coNJuNctioN With circuitrY WithiN the poWer source.
this sYstem preVeNts the torch From BeiNg eNergiZeD With
high Voltage iF the torch sWitch is acciDeNtallY closeD
WheN the shielD is remoVeD. alWaYs replace torch With the
proper torch maNuFactureD BY prest-o-lite siNce it aloNe
coNtaiNs prest-o-lite's pateNteD saFetY iNterlocK.

iNstallatioN / operatioN

Note
1