SECTION 4 – OPERATION

4-1. Controls

1

2

 

5

3

 

4

1Wire Speed Meter (Optional)

2Voltage Meter (Optional)

3Power Control Switch

4Jog/Purge Switch

Push up to momentarily feed welding wire at speed set on Wire Speed control without energizing welding circuit or shielding gas valve.

Push down to momentarily ener- gize gas valve to purge air from gun or adjust gas regulator.

5 Wire Speed Control

ST-139 026-B

SECTION 5 – MAINTENANCE & TROUBLESHOOTING

5-1.

Routine Maintenance

 

 

 

 

Y Disconnect power

. Maintain more often

 

 

before maintaining.

during severe conditions.

 

 

3 Months

 

 

Replace

Clean And

 

 

Damaged Or

Tighten

Replace Damaged

 

Unreadable

Weld

Gas Hose

 

Labels

Terminals

 

 

 

 

Repair Or Replace

 

 

 

Cracked Cables

 

 

 

And Cords

 

 

6 Months

 

 

Clean

 

Blow Out Or

 

Drive

 

 

 

Vacuum Inside

 

Rolls

 

 

 

 

 

 

 

OM-181 931 Page 15

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Miller Electric S-22P12 manual Operation, Maintenance & Troubleshooting, Controls