Tweco XTTM-301 - Manual (Page 60)

SERVICE 5-6 Manual 0-4768
2. Remove the Removal Tool from the Cartridge and install the assembled Cartridge onto the Torch Head. Confirm
proper parts installation as shown.
Torch Head O-Ring
Torch Head
Art # A-07202
0.063 - 0.083"
(1.6 - 2.1 mm)
Protrusion
4. Slide the ohmic clip over the shield cup if using ohmic torch height sensing.
A-03393
Ohmic Clip
5. Connect the wire lead from the height finder to the ohmic clip if using ohmic torch height sensing.
NOTE:
Ohmic height sensing is not recommended with water shield. Water on the plate interferes electrically with the ohmic
sensing circuit.
6. Purge coolant from the torch before firing the torch. Ensure there are no leaks before use. If leaks are evident,
consult the coolant leak trouble-shooting guide in the maintenance section of this manual.