Hypertherm Powermax45 SYNC Service Manual page 162

6
Service procedures for the gas supply
Install the air filter
1. Put the brass bulkhead fitting into place inside of the rear panel.
Make sure the fitting is pushed all the way in against the rear panel.
2. Attach the nut onto the brass bulkhead fitting from the outside of the rear panel.
Tighten to 13.5 N·m (120 lbf·in).
3. Connect the ground wire to the back right corner of the new air filter.
Make sure the other end of the wire is connected to the ground stud on the center panel. Tighten to
2.3 N·m (20 lbf·in).
4. Put into place the new air filter with filter bowl and metal guard attached.
Connect the end with the embossed arrow to the brass bulkhead fitting. Push-to-connect the air filter
to the brass bulkhead fitting.
5. Push-to-connect the looped gas supply hose into the side of the air filter.
Make sure the hose retains a looped shape and is not kinked or cracked.
If the gas supply hose is kinked, discard it and replace it with a new
hose. The integrity of the hose is compromised once the hose kinks.
6. Complete the following procedures:
a. Install the plasma power supply cover and handle on page
b. Reconnect the gas supply.
c. Reconnect the power cord.
Replace the fan and fan shroud
Remove the fan and fan shroud
Follow these steps to remove the fan.
1. Complete the following procedures:
a. Set the power switch to OFF (O), disconnect the power cord from the power source, and
disconnect the gas supply.
b. Remove the plasma power supply cover and handle on page
2. Detach the fan wire connector from J7 on the power PCB.
162
133.
132.
811480 Service Manual Powermax45 SYNC®