Tweco 150 Ultra-Cut - Manual (Page 7)

TABLE OF CONTENTS (continued)
SECTION 7: TORCH MAINTENANCE .................................................................................... 7-1
A. Consumable Removal ................................................................................... 7-1
B. O-Ring Lubrication ........................................................................................ 7-2
C. Parts Wear .................................................................................................... 7-2
D. Torch Consumables Installation .................................................................... 7-3
E. Coolant Leak Trouble-Shooting ...................................................................... 7-5
APPENDIX 1: Remote Arc Starter Schematic .......................................................................... A-1
APPENDIX 2: Gas Control and Torch Valve Schematic ............................................................. A-2
APPENDIX 3: Gas Control Module ............................................................................................ A-4
APPENDIX 4: Gas Control Module PCB Layout ....................................................................... A-5
APPENDIX 5: Gas Control Display Interface PCB Layout ........................................................ A-6
APPENDIX 6: CCM CPU PCB Layout ..................................................................................... A-7
APPENDIX 7: CCM Input / Output PCB Layout ........................................................................ A-8
APPENDIX 8: CNC - Control Module PCB Connections ............................................................ A-9
CNC functions. ................................................................................................... A-10
CNC Input / Output Descriptions ......................................................................... A-11
Simplified CNC Circuit. ....................................................................................... A-12
APPENDIX 9: Schematic: 230/460V Unit w/ Chopper Pilot w/ Diode ........................................ A-14
APPENDIX 10: Schematic: 230/460V Unit w/ Resistor Pilot ..................................................... A-16
APPENDIX 11: Schematic: CCC 400V Unit w/ Chopper Pilot ................................................... A-18
APPENDIX 12: Schematic: CE 400V Unit w/ Chopper Pilot ..................................................... A-20
APPENDIX 13: Schematic: CE 400V Unit w/ Resistor Pilot ..................................................... A-22
APPENDIX 14: Schematic: CSA 600V Unit w/ Chopper Pilot ................................................... A-24
APPENDIX 15: PUBLICATION HISTORY ................................................................................ A-26
Global Customer Service Contact Information ............................... Inside Rear Cover
NOTE
Section 8, Torch operation, is provided separately.