Install the gas inlet fittings

Notice

PTFE TAPE CAN CAUSE CLOGGED VALVES, REGULATORS, AND TORCHES

Never use PTFE tape on any joint preparation. Use only a liquid or paste thread sealant on male thread ends.

Put the brass bulkhead fitting into place inside of the rear panel.

Make sure the fitting is pushed in against the rear panel.
Attach the nut onto the brass bulkhead fitting from the outside of the rear panel.
Tighten to 13.5 N∙m (120 lbf∙in).
Push-to-connect the air filter to the brass bulkhead fitting.

Apply thread sealant if needed.

Fitting	Thread sealant
G-1/4 BSPP adapter	Lightly apply thread sealant. Apply a bead of thread sealant on 2 – 3 threads. To avoid gas line contamination, do not apply too much sealant.
1/4 NPT quick-disconnect nipple	Thread sealant is pre-applied.

Attach the gas inlet fitting to the brass bulkhead fitting.

Fitting	Torque
G-1/4 BSPP adapter	Tighten to 10.2 N·m (90 lbf·in).
1/4 NPT quick-disconnect nipple	Tighten to 11.3 N·m (100 lbf·in).

Complete the following procedures:
1. Install the plasma power supply cover and handle.
2. Reconnect the gas supply.
3. Reconnect the power cord.