Lincoln Electric MAGNUM PCT125M - Manual (Page 10)

A-3 INSTALLATION
PLASMA TORCH
A-3
3. Unscrew the wing nut and remove the pilot lead
of the torch cable from the pilot stud.
4. Loosen the strain relief cap using channel locks
if necessary. Then loosen and unscrew the
strain relief from the conduit lock nut.
5. Slide the cable through the conduit lock nut and
out through the hole in the case front.
D. To assemble a torch to the Pro-Cut:
1. Slide the end of the cable through the hole in the
case front. Then slide the conduit lock nut over
the end of the cable.
2. With a 5/8" wrench tighten the fitting at the end of
the gas tube onto the bulkhead union.
3. Place the ring lug of the pilot leads from the cable
over the pilot stud. Place the wing nut on the
pilot stud and tighten.
4. Connect the two molex connectors from the
torch to the molex connectors in the Pro-Cut.
5. Loosen the cap on the strain relief. Slide the
strain relief into the hole in the case front. Screw
the conduit lock nut on to the strain relief and
tighten the strain relief with channel locks. Hand
tighten the strain relief cap and then tighten the
cap an additional 1/2 turn with channel locks.
6. For mechanized torches only: (See diagram below)
Without an interface kit
Remove the top cover by loosening the sheet
metal screws with a 5/16" nut driver. Remove the
black hole plug from the left side of the front
panel of the Pro-Cut. Disconnect the Pro-Cut's
wiring harness at J5 in the lower right corner of
the control board mounted on the center panel.
Insert the plug and lead assembly (molex jumper
that came with the mechanized torch) into J5 on
the control board. Plug the Pro-Cut’s wiring har-
ness plug into the jumper. Mount the strain relief
to the front panel of the Pro-Cut. Insert the arc
starter cable (terminals first) into the Pro-Cut and
connect the cable to the plug and lead assembly.
Tighten the strain relief onto the arc starter cable.
Replace the top cover and insert the sheet metal
screws.
CONTROL P.C.
BOARD
J5
PLUG &
LEAD ASSEMBLY
MAIN
HARNESS
ARC STRIKING
CABLE
BOX
CONNECTOR
BULKHEAD
E. Close the access door and screw in the sheet metal
screw with a 5/16" nut driver.
F. Restore power to the Pro-Cut.