Tweco 20 O2 Auto-Cut - Manuel (Page 7)

Table of Contents
SECTION 7: TORCH MAINTENANCE .................................................................................. 7-1
7.01 Consumable Removal ................................................................................... 7-1
7.02 O-Ring Lubrication ........................................................................................ 7-2
7.03 Parts Wear .................................................................................................... 7-3
7.04 Torch Consumables Installation .................................................................... 7-4
7.05 Coolant Leak Trouble-Shooting ...................................................................... 7-7
APPENDIX 1: Remote Arc Starter Schematic .......................................................................... A-1
APPENDIX 2: Gas Control and Torch Valve Schematic ............................................................. A-2
APPENDIX 3: Gas Control Module Plumbing Diagram .............................................................. A-4
APPENDIX 4: Gas Control Module PCB Layout ....................................................................... A-5
APPENDIX 5: CCM CPU Board Layout ...................................................................................... A-6
APPENDIX 6: CCM Input / Output PCB Layout ........................................................................ A-7
APPENDIX 7: CNC - Control Module PCB Connections ............................................................ A-8
CNC functions. ..................................................................................................... A-9
CNC Input / Output Descriptions ......................................................................... A-10
Simplified CNC Circuit. ....................................................................................... A-11
APPENDIX 8: Schematic, 230-460V Unit ................................................................................. A-12
APPENDIX 8: Schematic, 230-460V Unit Cont. ....................................................................... A-14
APPENDIX 9: Schematic, CCC 400V Unit ............................................................................... A-16
APPENDIX 9: Schematic, CCC 400V Unit Cont. ...................................................................... A-18
APPENDIX 10: Schematic, CE 400V Unit ................................................................................ A-20
APPENDIX 10: Schematic, CE 400V Unit Cont. ...................................................................... A-22
APPENDIX 11: Schematic, CSA 600V Unit ............................................................................. A-24
APPENDIX 11: Schematic, CSA 600V Unit Cont. .................................................................... A-26
APPENDIX 12: Publication History ......................................................................................... A-28