Tweco 42 CutMaster Operating Manual - Manual (Page 19)

CUTMASTER 42 CUTMASTER 42
OPERATION 4-2 Manual 0-5141 Manual 0-5141 4-3 OPERATION
4.02 Preparations For Operating
At the start of each operating session:
WARNING
Disconnect primary power at the source before assembling or disassembling power supply, torch parts,
or torch and leads assemblies.
A. Torch Parts Selection
Check the torch for proper assembly and appropriate torch parts. The torch parts must correspond with the type of opera-
tion, and with the amperage output of this power supply (40 amps maximum). Use only genuine Thermal Dynamics parts
with this torch.
Art # A-09340-AG
Start Cartridge,
Cat. No. 9-0097
Electrode, Cat. No. 9-0096
Worn Electrode
Worn Tip
40 Amp Drag Tip, Cat. No. 9-0093
Shield Cup, Cat. No. 9-0098
40 Amp
Standoff Tip,
Cat. No. 9-0094
NOTE
For 115VAC, 20A Drag Cutting Tip (Cat.No. 9-0091) shall be used (refer to 6.03 SL40 Replacement
Parts).
NOTE
When operating the torch in a normal condition, some gas vents through the gap between the shield
cup and torch handle. Do not attempt to over tighten the shield cup as irreparable damage to internal
components may result.
B. Torch Connection
Check that the torch is properly connected.
C. Check Primary Input Power Source
1. Check the power source for proper input voltage. Make sure the input power source meets the power requirements for
the unit per Section 2, Specifications.
2. Connect the input power cable (or close the main disconnect switch) to supply power to the system.
D. Gas Selection
Ensure gas source meets requirements listed in section 2T. Check connections and turn gas supply on.
E. Connect Work Cable
Clamp the work cable to the workpiece or cutting table. The area must be free from oil, paint and rust. Connect only to the
main part of the workpiece; do not connect to the part to be cut off.
Art # A-03387
F. Power On
Place the power supply ON / OFF switch to the ON (I) position. Power indicator turns on.
Art# A-09335
Air Inlet
On/Off
Switch
Power Cord
A
120V 15A
120V 20A
230V 20A
24
40
20
20
30
27
Art# A-09339_AD
Rear Panel with ON/OFF Switch Front Panel With Power ON/OFF Indicator