13
1
4
3
O
2
1.- SHIELDING GAS METAL.
2.- VALVE.
3.- FINGER TIP CONTTOL.
4.-FOOT CONTROL.
Open valve on cylinder just before welding.
Finger tip control, or foot control turns weld
output and gas flow on and off.
Close valve on cylinder when finished welding.
Figure 4-17 Shielding Gas.
FIGURE 4-18. Sequence Of Gas
Tungsten Arc Welding(GTAW) And Gas
Tungsten Arc Spot Welding.
FIGURE 4-19. Sequence Of Shielded Metal Arc
Welding(SMAW).
Select Tungsten (See Section 6)
Install Tungsten Into Torch
Put On Personal Safety Equipment
Turn On Shielding Gas
Turn On Welding Power Source
Begin Welding.
Install &Connect Equipment
Set Controls
1
8
7
6
5
4
3
2
Select Electrode
Put On Personal Safety Equipment
Set Controls
Begin Welding.
Install & Connect Equipment
Insert Electrode Into Holder
1
7
6
5
4
3
2
Turn On Welding Power Source
SECTION 5
MAINTENANCE & TROUBLESHOOTING
5-1 ROUTINE MAINTENANCE.
TIME
EVERY MONTH
EVERY 3 MONTHS
EVERY 6 MONTHS
MAINTENANCE
WARNING
SEE SAFETY SIGNAL AT THE BEGINING THIS MANUAL
Above normal equipment use: Check all labels ( see 6 month entry ), repair any damaged insulation
or replace Electrode-holder or work cable, clean internal parts ( see 6 month entry ), clean and tighten
connections at holder cable and work clamp.
Replace Unreadable Labels, Tape Or Replace Cracket Cables, Clean And Tighten Weld Terminals,
Replace Cracket Parts.
Blow Out Or Vacuum inside. (During Heavy Service Clean Monthly)
Summary of Contents for ALPHA TIG 252 - DP
Page 6: ......
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