Nozzle Life Extremely Short; Short Electrode Life; Short Electrode And Nozzle Life - ESAB PLASMARC Installation, Operation And Maintenance Manual

SECTION 6

6.2.7 Nozzle Life Extremely Short

6.2.8 Short Electrode Life

6.2.9 Short Electrode And Nozzle Life

6-4
Pilot Arc H/L switch Pilot Arc H/L switch Pilot Arc H/L switch Pilot Arc H/L switch
in wrong position in wrong position in wrong position in wrong position
Nozzle arcing inside bore Nozzle arcing inside bore Nozzle arcing inside bore Gas quality below purity specification Nozzle arcing inside bore
Start gas flow too low Check Process Data cutting parameters Start gas flow too low
Start gas flow too low Start gas flow too low
Insufficient cooling Insufficient cooling Check pump for 150 psi output pressure Insufficient cooling Insufficient cooling
Start gas quality Gas quality below purity specification Start gas quality
Start gas quality Start gas quality
Cut gas quality Gas quality below purity specification Cut gas quality Cut gas quality Cut gas quality
Wat Water leak on torch front Wat Wat er leak on torch front er leak on torch front- - - - end er leak on torch front
Dis-assemble torch front end down to the electrode
Visually inspect O-rings
Place a thin film of silicone
grease on the O-rings before
reassembling
Visually inspect nozzle to retaining cup metal to metal seat.
NO
Replace parts
Turn coolant flow and check for leaks
Replace nozzle and/or
Precision Plasma with Integrated Flow Control Precision Plasma with Integrated Flow Control
Precision Plasma with Integrated Flow Control Precision Plasma with Integrated Flow Control
Refer to Process Data
end Follow torch leak procedure end end
Front-end of torch
leaking
Are
NO
O-rings
good?
YES
Is the Apply a thin coat of Dupont
Krytox AntiSieze lubricant
seat
73585064 2oz tube
good?
73585065 8oz tube
YES
Re-assemble torch
Still NO
leaking?
YES
nozzle retaining cup
TROUBLESHOOTING
Replace O-rings
Begin cutting