Hypertherm Powermax105 Service Manual - Manual (Page 261)

Power SuPPly ComPonent rePlaCement
powermax
105 Service Manual 9-63
Replace the gas tubing
1. Push in the plastic ring on the straight push-to-connect fitting while gently pull the top of the rear end panel away
from the power supply, until the end of the short gas tube pulls out of the straight push-to-connect fitting.
2. Push in the plastic ring on the solenoid valve fitting and pull the short gas tube out of the fitting.
3. Push one end of the new short gas tube into the solenoid valve fitting until fully seated.
4. Align the other end of the short gas tube with the straight push-to-connect fitting and gently push the top of the rear
end panel toward the power supply, until the short gas tube is fully seated in the straight push-to-connect fitting.
5. Push in the plastic ring on top of the 90° push-to-connect fitting and pull the long gas tube out of the fitting.
6. Push in the plastic ring on the solenoid valve fitting and remove the long gas tube by pulling it out of the fitting.
7. Push one end of the new long gas tube into the solenoid valve fitting until fully seated.
8. Push the other end of the new long gas tube into the 90° push-to-connect fitting until fully seated.
Long gas tube Short gas tube
Rear end panel
Solenoid valve
90° push-to-connect
fitting
Straight push-to-
connect fitting