Tweco Maximizer 300 Torch for BNFL User Manual
Page 20

INSTALLATION
3-2
Manual 0-2990
4. Feed the torch leads through the boot on the torch
end of the Arc Starter Box.
Torch Leads
Hose Clamp
Shield Braid
Torch Leads
Shield Assembly
(Brass Hub)
A-01441
Figure 3-1 Hose Clamp
5. Feed the torch leads through the supplied Hose
Clamp.
6. Connect the torch leads connectors to the bulk-
head connections per the following figure.
A-01440
Torch Leads
Secondary Gas
Plasma Gas
(Left-Hand Thread)
Coolant Supply
Coolant Return
(Left-Hand Thread)
Figure 3-2 Torch Leads Connections
7. Pull the shielding braid towards the end panel as
far as it will go up and over the brass hub. The
hub is part of the Boot Assembly and provides
the grounding point for the shielding in the torch
leads.
NOTE
The shielding braid must not make contact with
the four mounting studs.
Shield Braid
Torch Leads
Shield Assembly
(Brass Hub)
A-01442
Mounting Stud
Figure 3-3 Shield Braid Installation
8. Place the hose clamp over the shield and hub.
Tighten the hose clamp to secure the shielding
braid to the hub.
NOTE
Make sure that the shielding braid is pulled back
as far as possible from the bulkhead connections.
Leave any extra shielding braid between the hose
clamp and the end panel area.