Tweco A80-A120 CutMaster - Manual (Page 34)

CUTMASTER A80, A120
OPERATION Manual 0-5119
4T-2
4T.02 Automation Torch Parts Selection
Check the torch for proper consumable parts. The
parts supplied in the torch may not be correct for
the operator’s chosen amperage level. The torch
parts must correspond with the type of operation.
Torch parts:
Shield Cup, Cutting Tip, Electrode and Starter
Cartridge
NOTE
Refer to Sections 4T.08 and following for ad-
ditional information on torch parts.
Change the torch parts for a different operation as
follows:
WARNING
Disconnect primary power at the source before
assembling or disassembling torch parts, or
torch and leads assemblies.
NOTE
The shield cup holds the tip and starter cartridge
in place. Position the torch with the shield cup
facing upward to keep these parts from falling
out when the cup is removed.
1. If attached, remove the ohmic clip then un-
screw and remove the shield cup assembly
from the torch head. Wipe it clean or replace
if damaged
2. Remove the Electrode by pulling it straight out
of the Torch Head.
Art # A-04173_AB
Electrode
Torch Head
Shield Cup Body
Shield Cap
Deflector
Ohmic Clip
(If installed)
Tip
Start Cartridge
Automation Torch Parts
3. Install the replacement Electrode by pushing
it straight into the torch head until it clicks.
4. Install the starter cartridge and desired tip for
the operation into the torch head.
5. Hand tighten the shield cup assembly until
it is seated on the torch head. If resistance is
felt when installing the cup, check the threads
before proceeding
6. If used, attach the ohmic clip to the shield cup.
4T.03 Machine and Hand Torch Parts
Selection
Depending on the type of operation to be done deter-
mines the torch parts to be used.
Type of operation:
Drag cutting, standoff cutting or gouging
Torch parts:
Shield Cup, Cutting Tip, Electrode and Starter
Cartridge
NOTE
Refer to Section 4T.08 and following for ad-
ditional information on torch parts.
Change the torch parts for a different operation as
follows:
WARNING
Disconnect primary power at the source before
assembling or disassembling torch parts, or
torch and leads assemblies.
NOTE
The shield cup holds the tip and starter cartridge
in place. Position the torch with the shield cup
facing upward to keep these parts from falling
out when the cup is removed.
1. Unscrew and remove the shield cup assembly
from the torch head.
2. Remove the Electrode by pulling it straight out
of the Torch Head.