Tweco Pak 200 - Manual (Page 8)

SECTION 5: MAINTENANCE .......................................................................................5-1
Table 5-1: Power Supply Maintenance Schedule ...................................................................... 5-1
Figure 5-2: Coolant Fill ............................................................................................................. 5-2
Table 5-3: Arc Starter Service Chart ......................................................................................... 5-3
Figure 5-4: Arc Starter Adjustment .......................................................................................... 5-4
SECTION 6: REPLACEMENT ASSEMBLIES & PARTS ............................................................6-1
Figure 6-1: Torch Handle .......................................................................................................... 6-2
Figure 6-2: Cables Identifi cation .............................................................................................. 6-3
Table 6-3: Leads Catalog Numbers .......................................................................................... 6-3
Figure 6-4: Leads Identifi cation ............................................................................................... 6-4
Table 6-5: Hose Assemblies ..................................................................................................... 6-5
Table 6-6: Hose Fittings ........................................................................................................... 6-5
Table 6-7: Adapter Fittings ....................................................................................................... 6-5
Figure 6-8: Power Supply ........................................................................................................ 6-6
Figure 6-9: Heat Exchange Parts .............................................................................................. 6-7
Figure 6-10: Resistor, Capacitor, Output Filter, Magnetic Contactor ......................................... 6-8
Figure 6-11: Chopper Module .................................................................................................. 6-9
Figure 6-12: Main Power Switch ............................................................................................ 6-10
Figure 6-13: PC Board ........................................................................................................... 6-11
Figure 6-14: Magnetic Contactor ........................................................................................... 6-12
Figure 6-15: Circuit Breaker ................................................................................................... 6-13
Figure 6-16: Transformer, Rectifi er, Resistor ......................................................................... 6-14
Figure 6-17: Inverter Module ................................................................................................. 6-15
Figure 6-18: Sensor (Thermistor) .......................................................................................... 6-16
Figure 6-19: Relay PC Board .................................................................................................. 6-17
Figure 6-20: Coolant Parts ..................................................................................................... 6-18
Figure 6-21: Pilot Resistor ..................................................................................................... 6-19
Figure 6-22: Arc Starter & Gas Control Module ..................................................................... 6-20
Figure 6-23: Command & Control Module ............................................................................. 6-21
SECTION 7: TORCH MAINTENANCE ...............................................................................7-1
Figure 7-1: Multi-Purpose Wrench ........................................................................................... 7-2
Figure 7-2: Torch Consumable Parts ........................................................................................ 7-3
Figure 7-3: Tip Wear ................................................................................................................ 7-3
Figure 7-4: Electrode Wear ...................................................................................................... 7-3
Figure 7-5: Switch Wiring ........................................................................................................ 7-5
Figure 7-6: Torch Head Removal (PCH-200) ............................................................................ 7-6
Figure 7-7: Torch Mounting Assembly ..................................................................................... 7-7
Figure 7-8: Torch Head Removal .............................................................................................. 7-7
Figure 7-9: Rigid Insulator Installation ..................................................................................... 7-7
APPENDIX 1: CONTROL CABLE PINOUTS .........................................................................A-1
Figure A-1: Power Supply to Gas Control Console ................................................................... A-1
Figure A-2: Power Supply J59 to Arc Starter / Gas Control Console ........................................ A-2
APPENDIX 2: COMMAND-CONTROL PC BOARD LAYOUT (A) ..................................................A-3
Figure A-3: Command-Control PC Board Layout (A) ................................................................ A-3
Figure A-4: Command-Control PC Board Layout (B) ................................................................ A-4