Tweco XTTM-300 - Manual (Page 14)

INSTALLATION 3-2 Manual 0-2912
B. Connecting Oxygen Plasma Pre-Charge Unit
Refer to the connection diagrams and install the Pre-Charge Unit as follows:
1. Place the Unit on top of the existing Gas Console.
2. Disconnect the 3x1 Cable coming from the Plasma Power Supply from the existing Gas Console.
3. Connect the 3x1 Cable to the mating connector on the Oxygen Plasma Pre-Charge Unit.
4. Connect the end of the new 3x1 Cable supplied on the Pre-Charge Unit to the mating connector on the
existing Gas Console.
5. Disconnect the plasma gas line (blue) that goes to the torch from the existing Gas Console.
CAUTION
Do not use PTFE sealant with components carrying oxygen (O2). Do
not overtighten fittings or hose connections.
6. Install the Plasma Outlet Tee Assembly on the existing Gas Console. Angle the Plasma Outlet Tee Assembly
towards the Oxygen Plasma Pre-Charge Unit.
7. Connect the existing plasma gas line (blue) from the torch to the Plasma Outlet Tee Assembly.
8. Refer to the illustrations captioned 'after Pre-Charge Unit Installation'. Install the flash-back arrestor on the
pre-charge unit.
9. Connect the supplied hose between the flash-back arrestor and the Plasma Outlet Tee Assembly.
10. Connect the fitting on the hose from the Pre-Charge Unit to the O2A-1/8 NPT Straight Adapter on the Plasma
Outlet Tee Assembly.
11. Disconnect the oxygen (O
2
) supply line from the Gas Console.
12. Remove the existing oxygen (O
2
) supply line fitting from the Gas Console.
13. Connect the supplied Plasma Pre-Charge Supply Hose between the O2B fitting on the Oxygen Plasma Pre-
Charge Unit tee and the existing Gas Console oxygen (O
2
) supply connection.
14. Remove the plug from the Tee Fitting of the Pre-Charge Unit.
CAUTION
Test all connections for leaks. Tighten connections as needed. Do not
overtighten.
15. Connect the oxygen (O
2
) supply line to the Oxygen Plasma Pre-Charge Unit tee.
16. Attach the ground wire from the ground stud on the Oxygen Plasma Pre-Charge Unit to the ground stud on
the Gas Console.