Lincoln Electric IM588 PCT80, PCT80M & PCT80R Plasma Torches - Manual (Page 14)

C-3 MAINTENANCE C-3
9. Gently slide the barrel up to the torch head.
Continue sliding the barrel carefully over the o-rings
of the torch head, until the hole of the torch head
adapter aligns with the threaded hole of the torch
head. Fasten together using the flat head screw with
5/64" allen wrench, until the head of the screw is
fully seated in the countersunk hole.
10. Thread strain relief nut into barrel and tighten
(Recommended torque - 70-80 in-lbs.). Thread
strain relief onto strain relief nut and tighten
(Recommended torque - 50-60 in-lbs.).
11. Minimum safety check: using an ohm meter verify
that greater than 10 megohms exists between the
barrel and all of the pins on the central adapter
assembly.
12. Restore power to the machine.
PLASMA TORCH
Flat Head
Socket Screw
Torch Head Adaptor
Strain Relief
Strain Relief Nut