Thermal Dynamics DRAG-GUN 38, Инструкция по эксплуатации

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SECTION 4: OPERATION 14 Manual 0-2729
CAUTION
The primary power source, power cable, and plug
all must conform to local electrical codes and recom-
mended circuit protection and wiring requirements.
2. Plug unit in and close main disconnect switch to
supply primary power to the system.
C. Work Cable
Check for a solid work cable connection to the
workpiece.
D. Purge System
Place the ON/OFF switch to the ON position. Gas will
flow for 3 seconds to purge the torch leads.
E. Current Output Level
Set the desired current output level for the desired op-
eration (12 to 29 amps).
F. Ready for Operation
The system is now ready for operation.
NOTE
Refer to Appendix I for a detailed block diagram of
the Sequence of Operation.
4.05 Torch Consumable Parts
Selection
A. Torch Parts
The same torch parts are used for drag or standoff cutting.
Refer to Figure 4-3 for the various torch parts.
Standard Shield Cup
Catalog No. 9-6003
Cutting Tip 30A
Catalog No. 9-6501
Electrode
Catalog No. 9-6506
Gas Distributor
Catalog No. 9-6507
A-02147
Figure 4-3 Torch Consumable Parts Selection
B. Changing Parts
To change the torch consumable parts use the following
procedure:
WARNING
Disconnect primary power at the source before chang-
ing torch consumables.
NOTE
The tip, gas distributor, and electrode are held in
place by the shield cup. Position the torch with the
shield cup facing upward to prevent these parts from
falling out when the cup is removed.
Torch Head Assembly
Standard
Shield Cup
Gas
Distributor Tip Electrode
A-00780
Figure 4-4 Consumable Parts
1. Unscrew and remove the shield cup from the Torch
Head Assembly.