Tweco PCM-62 Machine Torch - Manual (Page 35)

Manual 0-2817 5-7 SERVICE
Handle Shell
Handle Shell
Spring
Trigger
Torch
Switch
Negative / Plasma Lead
Insulation Sleeving
Pilot Lead
Insulation
Sleeving
A-03544
Figure 5-6 Hand Torch Assembly
6. Disconnect the Negative / Plasma Lead from the
torch head.
7. Remove the defective torch head.
B. Reassembling the Hand Torch Assembly
WARNING
Disconnect primary power to the system before dis-
assembling the torch, leads, or power supply.
To install the Torch Head Assembly use the follow-
ing procedure:
IMPORTANT
The insulation sleeves are critical for safety. Be
sure both are properly installed and not damaged
during reassembly.
1. Slide the replacement insulator sleeving over the
Negative / Plasma Lead.
2. Connect the Negative / Plasma Lead to the re-
placement Torch Head Assembly.
3. Carefully position the insulation sleeving over the
connectors, as shown below.
A-03545
Negative/Plasma
Lead Insulation Sleeving
Figure 5-7 Insulation Sleeving Position for Negative
/ Plasma Lead
4. Insert the screw through the Pilot Lead lug and
then install the star washer before securing it to
the Torch Head Assembly.
5. Carefully position the Insulation Sleeving over the
Pilot connection.
A-03546
Pilot Lead
Insulation Sleeving
Figure 5-8 Insulation Sleeving Position for Pilot
Connection
6. Reconnect the wire connectors to the mating con-
nectors in the leads assembly.