PT-600 Mechanized Plasma Cutting Torch
PT-600 Mechanized Plasma Cutting Torch
PT-600 Mechanized Plasma Cutting Torch
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SECTION 5<br />
Maintenance<br />
!<br />
WARNING<br />
Hot <strong>Torch</strong> Will Burn Skin!<br />
Allow torch to cool before servicing.<br />
5.3 <strong>Torch</strong> Front End Disassembly<br />
Gas Diffuser<br />
CAUTION<br />
Shield<br />
Shield Retainer<br />
1. Remove shield retainer.<br />
NOTE: If the shield retainer is difficult to remove,<br />
try to screw the nozzle retainer tighter to relieve<br />
pressure on the shield.<br />
2. Inspect mating metal surface of shield and<br />
retainer for nicks or dirt that might prevent these<br />
two parts from forming a metal to metal seal.<br />
Look for pitting or signs of arcing inside the<br />
shield. Look for melting of the shield tip.<br />
Replace if damaged.<br />
3. Inspect diffuser for debris and clean as<br />
necessary. Wear on the top notches does<br />
occur, effecting gas volume. Replace this part<br />
about every other shield replacement. Heat<br />
from cutting many small parts in a concentrated<br />
area or when cutting material greater than 0.75"<br />
(19.1mm) may require more frequent<br />
replacement.<br />
Incorrect assembly of the diffuser in the<br />
shield will prevent the torch from working<br />
properly.<br />
Diffuser notches must be mounted away from<br />
the shield as illustrated.<br />
5-2
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