ESAB Esp-1000 Plasmarc System Manual De Instrucciones página 314

section 5
5.4 troubleshooting Guide (con't.)
Problem
10. Poor cut quality with
water muffler or air curtain in-
stalled. (Cuts are good above
water with water muffler or
air curtain turned off. Cuts are
bad under-water with device
operating.)
11. Shield gas flow inad-
equate. Cannot reach proper
flow setting.
Probable Cause
Sleeve not bottomed out on
the main body.
O-rings missing or broken.
Air pressure set too high, or
air shut off.
Sleeve spacing between air
curtain or water muffler and
torch retaining cup incor-
rect.
Sleeve not centered in refer-
ence to the torch retaining
cup.
Dirt in sleeve holes.
Holes in sleeve align with air
input port.
Internal gas supply filter (in
flow control) is clogged.
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tRoUBLesHootinG
Remedy
Reseat Sleeve.
Replace o-rings in main body.
Set air pressure between 15-30 psi. Some
trails should be made on scrap plate to find
the optimum pressure for your conditions.
Adjust spacing. See Subsections 3.4, 3.5 and 3.6.
Center sleeve. Clamp may be cocked on
torch handle or o-rings may be damaged.
Remove sleeve and clean.
Rotate sleeve 5°.
Clean or replace internal filter of flow control.