Tweco 6000 Cutting System - Manual (Page 16)

INSTALLATION PROCEDURES 12 Manual 0-2572
Four Mounting Bolts And
Washers (Customer Supplied)
A-01970
Base
Assembly
To Plasma
Power Supply
To Torch
Figure 3-3 Mounting Bolt Installation
3.05 Connecting Torch
WARNING
Disconnect primary power at the source before dis-
assembling the torch or torch leads.
The Torch Leads connect directly to a bulkhead inside
the Arc Starter Box. Connect the Torch Leads per the
following procedure:
1. Remove the cover from the Arc Starter Box if in-
stalled.
2. Remove the tape securing the shield of the torch
leads to the leads.
3. Unfold the shield towards the end of the leads.
4. Feed the torch leads through the boot on the torch
end of the Arc Starter Box.
A-01971
Torch Leads
Hose Clamp
Shield Braid
Torch Leads
Shield Assembly
(Brass Hub)
Figure 3-4 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.
NOTE
The Revision Letter is the last digit of the Serial
Number on the Data Tag.
A-01440
Torch Leads
Secondary Gas
Plasma Gas
(Left-Hand Thread)
Coolant Supply
Coolant Return
(Left-Hand Thread)
Units Before Revision Letter 'C'
A-01972
Torch Leads
Secondary Gas
Plasma Gas
(Left-Hand Thread)
Coolant Supply
Coolant Return
(Left-Hand Thread)
Units With Revision Letter 'C' or Later
Figure 3-5 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.