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a. Check that shield cup is properly installed.
2.Upper O-ring on torch head is in wrong position.
a. Remove shield cup from torch; check position of
upper O-ring. Correct if necessary.
3.Upper o-ring on torch head is in wrong position.
a. Remove shield cup from torch; check position of
upper o-ring. Correct if necessary.
4. faulty torch switch or torch security
a. Check torch or security torch switch for
continuity.
5.faulty torch parts
a. inspect torch parts and replace if necessary.
Refer to section 5.04.inspection and replacement
consumable torch parts.
6 gas pressure too low
a. set proper operating gas pressure.
7. Faulty components in torch and leads assembly
a. Inspect torch assemblies and replace if
necessary
8. Faulty components in power supply
a. Return for repair or have qualified technician
repair as per service manual.
B. No cutting output
1. torch not properly connect to the system
a. Check that torch wires are properly attached to
system
2. shield cup not properly installed on torch
a. Check that shield cup is fully seated against
torch head ( do not over tighten)
3. Security thermal protection or faulty torch switch
a. Check that shield cup is properly installed
b. Check switch – in hand torch handle or in
machine torch head for continuity.
4. faulty components in torch assemblies and
replace if necessary
a. inspect torch assemblies and replace if
necessary
5. faulty components in the system
a. return for repair or have qualified technician
repair as per service manual
C. limited output with no control
1. poor input or output connection to power supply
a. check all input and output connections.
2.Faulty components in torch and wiring assembly
a. Inspect torch assemblies and replace if
necessary.
3.faulty components in power supply
a. return for repair or have qualified technician
repair as per service manual
D. erratic or improper cutting output
1. poor input or output connections to power
supply
a. check all input and output connections
2. current set too low at power supply
a. increase current setting
3.torch is being moved too fast across work piece
a. reduce cutting speed
4.excessive oil or moisture in torch
a. hold 1/8 inch (3.2 mm) from clean surface while
purging and observe oil or moisture
E. No Gas Flow
1. gas not connected or pressure too low
a. check source proper operating gas pressure
2.faulty components in torch and wiring assembly
a. inspect torch assemblies and replace if
necessary
3.faulty components in power supply
a. return for repair or have qualified technician
repair as per service manual
F. torch cuts but not adequately
1.current set too low at power supply
a. increase current setting.
2. torch is being moved too fast across work piece
a. reduce cutting speed
3. excessive oil or moisture in torch
a. hold 1/8 inch (3.2 mm) from clean surface while
purging observe oil or moisture build-up (do note
activate torch)
