www.esabna .com
DATE: 11-21-2003 BULLETIN NO:P_03_019
TITLE/ PRODUCT NAME: ESP/PCM-150 Arc Starting Modification
RATING:
_
_ DIRECTIVE _ _ ALERT
(Action is Required) (Potential Problem)
_
X_ INFORMATION _X_ PRODUCT IMPROVEMENT
(Action is Optional) (Enhanced Product)
_
X_ General Distribution _ _ Business Confidential
(Unrestricted) (Restricted Distribution)
PRODUCT SERIES/ MODEL:
ESP/PCM-150 Plasma Cutting systems using PT-26 Plasma Cutting torch.
PCM-150 31589
PCM-150 CE 13410479
ESP-150 0558002677
ESP-150 CE 0558002713
SERIAL NO:
Serial Number starting with Pxx-J227xx
All units with 1900 microfarad capacitors and Kydex filter assemblies
SUMMARY:
Several field reports have indicated arc starting difficulty when attempting to plasma cut with a
preset current of 50 amps.
OPERATIONAL IMPACT:
Improved start consistency and reliability at a cutting current of 50 amps. No effect on other
system operations.
ACTION:
Rework Kydex filter network assembly as follows (reference figure below):
