Tweco PCM - 102 Machine Torch - Manual (Page 20)

INSTALLATION 3-2 Manual 0-2818
3.06 Connecting Torch
The instructions for connecting the Torch Leads to the
Power Supply are different depending on the type of
leads. This sub-section covers connecting the Torch for
the following applications:
A. Hand Systems
B. Machine Systems (Unshielded Leads)
C. Machine Systems (Shielded Leads)
D. Remote Pendant Control (Optional)
The Torch Leads must be properly installed to the Power
Supply for proper operation. If the torch leads were not
factory-installed, make all torch connections to the Torch
Bulkhead Panel for the desired application.
NOTE
Equipment ordered as a system will have the Torch
factory connected to the Power Supply.
A. Hand Systems
WARNING
Disconnect primary power at the source before dis-
assembling the torch or torch leads.
1. Remove the retaining nut from the Through-hole
Protector.
Through - Hole
Protector Nut
Through - Hole
Protector
Torch Leads
Assembly
Art #A-03848
Remove Tie Wrap,
Remove Insulator,
Disconnect Wires
Figure 3-2 Retaining Nut Removal
2. Feed the torch lead ends and the Through-hole
Protector into the hole in the unit.
3. Secure the Through-hole Protector with the retain-
ing nut removed earlier.
4. Connect the torch Negative & Plasma Lead to the bulk-
head connection inside the Power Supply.
Pilot Lead
Torch Lead
Assembly
or ATC Adapter
Negative/Plasma
Lead
Adapter
Connector
Pilot Lead Stud
Negative/Plasma
Lead Connection
A-03542
Note: Actual Bulkhead
configuration may
differ from that shown.
Adapter
Control Circuit
Connectors
Figure 3-3 Hand Torch Lead Connections
5. Connect the Cables to the mating connectors on the
Adapter supplied on the Power Supply.
6. Remove the top nut and washer from the Pilot Stud.
7. Place the lug on the Pilot Control Wire onto the stud
and secure with the nut and washer removed in the
above Step.
8. Tighten the Through-hole Protector onto the Torch
Leads.
9. Check the torch for proper parts assembly.
CAUTION
The torch parts must correspond with the type of
operation. Refer to Section 4.04, Torch Parts Se-
lection.