165
2. Unscrew the gas hoses and power cables from the torch head assembly by using a 7/16" (11.1mm) and a 1/2"
(12.7mm) wrench. Disconnect the power cables which are threaded onto the shorter stems at the back of the
torch. Note that one of these connections is left-handed.
SECTION 5 MAINTENANCE
7/16" plasma gas
connection
1/2" shield gas
connection
1/2" power cable
connections
3. Unwrap the electrical tape at the back of the gray plastic insulator over the pilot arc connection. Slide the
insulator back and undo the knife connectors.
Electrical Tape
(shown removed)
Pilot Arc Cable
Wire splice
Knife-splice connection
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