Tweco PCM-120 Machine Torch User Manual
Page 22
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OPERATION
4-2
Manual 0-2698
To change the torch parts for a different operation use the
following procedure:
NOTE
A multi-purpose wrench is supplied for changing
the tip, electrode and gas distributor in the torch
head.
When installing gouging parts, the gouging elec-
trode requires the use of a water extension tube.
Refer to Figure 4-3 for parts location.
Multi-Purpose Wrench
(Catalog Number 20-0001)
Used for Electrodes
Used for 11/16" ( 17.5 mm)
Across Tip Flats
Gas Distributor Notch
Used with 11/16" (17.5 mm)Tip
Used for 5/8" (15.9 mm)
Across Tip Flats
Gas Distributor Notch
Used with 5/8" (15.9 mm)Tip
This Side
Towards Torch
A-01639
Figure 4-2 Multi-Purpose Wrench
A-02187
Cutting Electrode Air/N2
Catalog No. 20-1210
Cutting Tip Air/N2/AR-H2
0.031" Orifice, 35 amps
Catalog No. 20-1220
Cutting Tip Air/N2/AR-H2
0.047" Orifice, 70 amps
Catalog No. 20-1221
Gouging Shield Cup
Gouging Only
Catalog No. 20-1227
Short Shield Cup
Standoff Cutting Only
Catalog No. 20-1225
Cutting Tip Air/N2/AR-H2
0.063" Orifice, 120 amps
Catalog No. 20-1222
Gouging Tip Air/N2/Ar-H2
0.110" Orifice
Catalog No. 20-1412
Gouging Tip Air/N2/Ar-H2
0.156" Orifice
Catalog No. 20-1414
Gouging Electrode,
N2/Ar-H2
Catalog No. 20-1405
Gouging Electrode
Air/N2
Catalog No. 20-1404
Crown Shield Cup
Standoff Cutting Only
Catalog No. 20-1226
Gas Distributor - Cutting
0.712" (18 mm) Length
Cat. No. 20-1215
Gas Distributor - Gouging
0.912" (23 mm) Length
Cat. No. 20-1409
Gouging Tip Air/N2/Ar-H2
0.125" Orifice
Catalog No. 20-1413
Gouging Tip Air/N2/Ar-H2
0.171" Orifice
Catalog No. 20-1415
Cutting Electrode N2, Ar-H2
Catalog No. 20-1211
Water Tube Extension
(Gouging)
3.35" (85 mm) Length
Cat No. 20-1402
Figure 4-1 Various Torch Parts Selection