CUTMASTER 40
SERVICE 0-5557
46
5T.02 Inspection and Replacement of
Consumable Torch Parts
WARNING
Disconnect primary power to the system before
disassembling the torch or torch leads.
DO NOT touch any internal torch parts while the
AC indicator light of the Power Supply is ON.
Remove the consumable torch parts as follows:
NOTE!
The shield cup holds the tip and starter cartridge
in place. Position the torch with the shield
cup facing upward to prevent these parts from
falling out when the cup is removed.
1. Unscrew and remove the shield cup
from the torch.
NOTE!
Slag built up on the shield cup that cannot be
removed may eect the performance of the
system.
2. Inspect the cup for damage. Wipe it
clean or replace if damaged.
Shield Cups
3. On torches with a shield cup body and
a shield cap or deector, ensure that
the cap or deector is threaded snugly
against the shield cup body. In shielded
drag cutting operations (only), there
may be an O-Ring between the shield
cup body and drag shield cap. Do not
lubricate the O-Ring.
Drag Shield Cap
Shield
Cup Body
O-Ring No. 8-3488
Art # A-03878
4. Remove the tip. Check for excessive
wear (indicated by an elongated or
oversized orice). Clean or replace the
tip if necessary.
A-03406
Example of Tip Wear
5. Remove the starter cartridge. Check
for excessive wear, plugged gas holes,
or discoloration. Check the lower end
tting for free motion. Replace if nec-
essary.
Art # A-08064_AC
Lower End Fitting
Full Compression
Lower End Fitting at Reset
Full Extension
6. Pull the Electrode straight out of the
Torch Head. Check the face of the elec-
trode for excessive wear. Refer to the
following gure.
Worn Electrode
New Electrode
Electrode Wear
7. Reinstall the Electrode by pushing it
straight into the torch head until it clicks.
8. Reinstall the desired starter cartridge
and tip into the torch head.
9. Hand tighten the shield cup until it is
seated on the torch head. If resistance
is felt when installing the cup, check the
threads before proceeding.
This completes the parts replacement procedures.