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A80
SERVICE
0-4985
5T-2
5T.02 Inspection and Replacement of
Consumable Torch Parts
WARNING
Disconnect primary power to the system be-
fore 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 effect the performance of
the system.
2. Inspect the cup for damage. Wipe it clean or replace
if damaged.
Art # A-08067
Shield Cups
3. On torches with a shield cup body and a shield
cap or deflector, ensure that the cap or deflector
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 orifice). Clean or re-
place the tip if necessary.
Good Tip
Worn Tip
A-03406
Example of Tip Wear
5. Remove the starter cartridge. Check for excessive
wear, plugged gas holes, or discoloration. Check
the lower end fitting for free motion. Replace if
necessary.
Art # A-08064_AC
Spring-Loaded
Lower End Fitting
Full Compression
Spring-Loaded
Lower End Fitting at Reset /
Full Extension
6. Pull the Electrode straight out of the Torch Head.
Check the face of the electrode for excessive wear.
Refer to the following figure.
Worn Electrode
New Electrode
Art # A-03284
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.
Содержание A80 CUTMASTER
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