Tweco PAK 200i - Manual (Page 72)

PAK 200i
7-4 TORCH INFORMATION Manual 0-5335
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.
Electrode
Shield Cup Tip
Gas
Distributor
Torch Head
Water Tube Extension
(Gouging Only)
A-02188
Figure 7-�: Torch Consumable Parts
�. Inspect the cup for damage. Wipe it clean or replace if damaged.
3. Using the multipurpose wrench (5/8 inch slot) remove the tip. Check for excessive wear (indicated by an elon-
gated or oversized orifice). Replace the tip if necessary.
NOTE
The tip, electrode and gas distributor have o-rings on each part. The o-rings should be removed and a light coating
of o-ring lubricant (catalogue number 8-4025) applied.
Good Tip Worn Tip
A-02195
Figure 7-3: Tip Wear
4. Tilt the Torch Head to remove the gas distributor. The end of the multipurpose wrench can be used to help
remove the gas distributor. Check for excessive wear, plugged gas holes, or discoloration. Replace if necessary.
5. Using the multipurpose wrench (electrode area) remove the electrode. Refer to "Figure 7-4: Electrode Wear" and
check the face of the electrode for excessive wear.
Worn Electrode
New Electrode
A-02208
Figure 7-4: Electrode Wear
6. Install the electrode and tighten with multipurpose wrench. Do not over tighten the electrode. The circular
area around the wrench used for electrodes will also align the electrode in the Torch Head. This will prevent
installing electrodes on an angle and cross threading the electrode in the Torch Head.
7. Install the gas distributor.
8. Install the tip and tighten with the multipurpose wrench. Do not over tighten the tip.