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TROUBLESHOOTING & REPAIR
PRO-CUT 60
F-51
TORCH HEAD REMOVAL/REPLACEMENT
d. Disconnect the trigger lead
4-pin connector by
unscrewing it.
e. Disconnect the electrode
lead using a 9/16” open-
end wrench to remove the
brass adaptor fitting
attached to the bulkhead
connector.
f. Disconnect the pilot lead by
removing the wing nut
marked PILOT. Remove
only the pilot lead. Do not
remove any of the leads
below the brass nut.
g. Detach the strain relief
clamp wrapped around the
trigger lead, electrode lead,
and pilot lead from the bolt
to which the strain relief
clamp is attached. Do not
remove the strain relief
clamp from around the
three leads.
h. Pull the trigger lead,
electrode lead, and pilot
lead bundled in the strain
relief clamp out of the
machine through the rubber
boot.
4. Move the torch cable assembly
to a convenient work area.
5. Remove the three Phillips head
screws holding the torch
handle together.
6. Unplug the red and white
safety leads in the torch head.
7. Remove the tape and
insulation carefully. Save the
tape and insulation to re-apply
during assembly. The
insulation is extremely
important because of the
high voltages present in the
torch head during operation.
8. Loosen and remove the brass
compression nut closest to the
torch head. Use fi” (13mm )
wrench to loosen the brass
compression nut. Support the
brass nipple while turning the
nut.
9. Install replacement torch head
in reverse order of removal.
a. Tighten the brass compres-
sion nut to 75 in/lbs.
b. Re-apply the insulation and
tape the outer seams of the
insulation.
c. Reconnect the red and
white safety circuit leads.
d. Insert the trigger and cable
assembly into the torch
handle making sure that
the hole on each side of the
cable strain relief lines up
with the tabs in the torch
handle sides.
e. Replace the three Phillips
screws.