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1.0 INTRODUCTION
The Mo
del 21 is a weld head for automatic orbital tube welding. This manual covers basic
set up and maintenance of the Model 21-500 & Model 21-1000. The operator should have a
working understanding of the power supply being used and should understand this manual
before operating the weld head.
1.1 SHOCK HAZARD WARNING
WARNING: ELECTRIC SHOCK CAN KILL
Signif
icant D.C. voltage is present after removal of input power
• Electrical parts may retain electrical charge
• Shut down the Orbital Weld Head System before unplugging the input cord
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