Tweco 15XC Merlin - Manual (Page 80)

CUSTOMER/OPERATOR SERVICE 5-8 Manual 0-2251
5.5 HAND TORCH LEADS REPLACEMENT (continued)
To minimize coolant leaks during torch head replacement,
perform the operation with the torch head above the level
of the coolant reservoir.
6. Position the replacement leads and connect the plasma,
secondary, coolant supply, and coolant return leads
onto the torch head fittings.
7. Use electrical tape to secure the leads in place on the
insulating tab. Locate the tape over the ferrule on the
negative lead.
Make sure the insulating tab completely separates the
coolant supply lead (negative) from the plasma, secondary,
and coolant return leads.
8. Replace the handle onto the torch head.
9. Connect the two torch switch leads connectors. Secure
the torch switch leads in place with electrical tape.
10. Secure the leads sleeving to the leads with electrical
tape. Position the tape close to the back of the handle.
11. Roll the torch switch sheath back over the handle.
Refer to Figure 5-E and:
12. Open the leads connection access door on the power
supply. Disconnect the plasma, secondary, coolant
supply and coolant return leads and the control cable
plug from the bulkhead.
13. Position the replacement leads. Feed the control cable
plug through the torch leads boot first and connect to
the bulkhead. Then feed the other leads through the
torch leads boot and connect the plasma, secondary,
coolant supply and coolant return leads to the bulk-
head.
NOTE
CAUTION