Tweco 15XC CE Merlin PAK - Manual (Page 73)

Manual 0-2529 4 - 1 SERVICE
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SECTION 4: SERVICE
4.1 TORCH MAINTENANCE
Refer to Figure 4-A and:
1. Remove the shield cup (1) from the torch body (6 or 7).
2. Unscrew the tip (2) using the tip wrench (9). Check for
tip wear (indicated by elongated or oversize orifice).
Clean the tip and make sure the threads and sealing face
are not damaged. Replace tip if necessary.
3. Remove the electrode (3) using the electrode wrench
(10). Inspect the condition of the face of the electrode
(see CAUTION below).
Check the torch for proper assembly. Make sure both the
tip and electrode in the torch correspond with the plasma
gas and secondary being used. (See Torch Parts Selection
on pages 3-6 and 3-7).
Routine Inspection
and Replacement of
Consumable Parts:
WARNING
Disconnect primary power to the system before
disassembling the torch, leads, or power supply.
NOTE
Figure 4-A PCH/M-150 Torch Components
1. Machine Torch Body
2. 70° Hand Torch Body
3. O-Ring (Handle)
4. O-Ring (Cup - Lg.)
5. O-ring (Cup - Sm.)
6. Air Electrode
7. Oxygen Electrode
8. Multi-Gas Electrode
9. Air Tip
10. Oxygen Tip
11. Nitrogen Tip
12. Ar/H
2
Tip
13. Gouging Tip
14. Standard Shield Cup
15. Copper Shield Cup
16. Touch Cup
17. Gouging Cup
18. Tip Wrench
19. Electrode Wrench