Maintenance - ESAB PT 27 Instrucciones De Uso

MAINTENANCE

MAINTENANCE
WARNING
Before any maintenance is attempted on this torch, make sure the power switch on
the console is in the "OFF" position and the primary input is deenergized.
INSPECTION AND CLEANING OF CONSUMABLES
a. Disassemble the front end of the PT--27 as follows:
1. Position torch head in a downward direction and remove the shield. The
nozzle, swirl baffle, electrode, and valve pin will drop from the head and re-
main in the shield. Remove these components and inspect for wear. The
nozzle and electrode will generally wear at the same rate. For best perform-
ance, replace together.
2. Nozzle: Replace if the orifice is clogged, nicked, or out--of--round.
3. Electrode: See figure for electrode maintenance.
4. Shield: The face of the shield will gradually erode from the heat and molten
metal spray. Replace the shield if more than 1/8 inch (3.2 mm) has eroded
from the face.
5. Swirl baffle: This is a ceramic part and may crack or chip if dropped. Always
replace if cracks or chips are present.
6. O--ring: Lubricate as per figure. Replace if cut or worn. Air leaking past this
seal will reduce cutting performance.
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