Appendix 1: Operating Sequence, Block Diagram - Thermal Dynamics C-70A CUTSKILL Service Manual

Appendix 1: Operating Sequence, Block Diagram

Red Air Indicator
Release Torch Switch
Pilot Arc Ignition (3-5 seconds)
Pilot Arc goes out
Note: The Torch will be very hot! Do not set on or near flammable materials!
Art # A-04673
Manual 0-4699
Primary Input Power "On" or Plugged in
Power Supply On/Off Switch "On"
Green Power Indicator "On" and Fan is Running
Air Set Switch "On"
Air Flows at Torch. Set Air Pressure Then Turn Air Set Switch "Off"
Air Flow at Torch Stops
Torch Tip to Work within 3-5 seconds of Pilot Arc start
Start Cutting Operation
YES
Cutting Done ?
Torch Switch "Off"
Post Flow of Air, Approximately 10 Seconds Then Stops
Power Supply On/Off Switch "Off"
Green Power Indicator "Off" and Fan Stops
Primary Input Power Switch "Off" or Unplugged
Check Torch parts
alignment. PIP switches
need to be repaired by a
Qualified Technician
Torch Switch "On"
NO
A-1
More air flow is required
for Torch to Pilot than to
run the power supply.
Re-check regulator setting.
No Pilot Arc
APPENDIX