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Grounding Your Machine
The MasterPipe Compact Profiler machine requires an earth ground rod to ensure personnel safety, and to supress
the high-frequency noise created by the plasma power supply. A star ground point on the rotating chuck will connect
directly to the earth ground rod via a 6 AWG stranded wire or other stranded, grounding cable. Consult with a
qualified electrician to verify your connections.
Installing the ground wire:
Plasma cutting depends on a low-resistance return current work lead (ground lead) and this is provided by positive
contact with the chuck and its rotating connection. The ground lead from your plasma cutter is connected to the
rotating ground assembly via two ¼" hex head bolts inside the chuckbox assembly.
Attach your ground wire from the independant ground rod to this connection.
Instructions:
1.
Remove the #2 slotted setscrew from the gray plastic ground clamp shield.
2.
Slide the plastic shield off the ground clamp and slide over the plasma cutter work lead
3.
Slide a 6 AWG stranded wire inside the plastic shield along with the plasma work lead
4.
Install the bare stranded wire from the plasma cutter work lead into the rotating ground
assembly
5.
With both the work lead and ground wire installed into the rotating ground clamp, tighten the 1/4" hex
head bolts until both ground wires are firmly secured.
6.
Locate the plastic shield back into the rotating ground capture and reinstall the #2 slotted set
screw.
Vernon Tool MasterPipe Compact Profiler
Page 5
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