29 SERVICE
4. With a slight twisting motion, pull the handle from
the torch head. Slide it back over the leads to expose
the leads connections.
5. Remove the tape that secures the torch leads connec-
tions around the insulating tab. Disconnect the nega-
tive/plasma, negative/secondary, and positive/pilot
leads from the torch head.
6. Inside the power supply, disconnect the leads from
the bulkhead fittings (positive lead has left-hand
threads, negative lead has right hand threads).
7. Connect the replacement leads to the bulkhead fit-
tings.
When reassembling the torch, make sure that the
insulating tab separates the positive/pilot lead from the
negative/plasma and negative/secondary leads.
8. Connect the replacement leads to the torch head.
Secure the leads in place around the insulating tab
with electrical tape.
9. Replace the handle on the torch head and reconnect
the torch switch leads connectors. Secure the connec-
tors with electrical tape.
10. Pull the leads sleeving up inside the handle and
secure to the leads with electrical tape.
11. Roll the torch switch sheath back down over the
handle and sleeving.
4.2 TORCH LEADS REPLACEMENT (continued)
Figure 4-D Machine Torch Leads Replacement
Hand Torch Leads
Replacement (continued)
CAUTION
Disconnect primary power to the system before
disassembling the torch, leads, or power supply.
WARNING
Machine Torch Leads
Replacement
Refer to Figure 4-D and:
1. Unscrew the torch head from the mounting assembly
and slide the mounting assembly up over the leads to
expose the leads connections.
2. Replace the leads connection as in previous steps 4
through 8.
3. Replace the torch body in the mounting assembly and
replace the leads sleeving.
Mounting Assembly
Electrical Tape
A-01483
Insulating Tape
Negative/Secondary Lead Connection
Negative/Plasma Lead Connection
Positive/Pilot Lead Connection
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