Hypertherm HD3070 Plasma Arc Cutting System w/ Automatic Gas Console - Manual (Page 201)

5-76 HD3070 with Automatic Gas Console Instruction Manual
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MAINTENANCE
Bullet Connector Removal and Replacement
1. If the bullet connector is not broken, use 9/32-inch nut driver to remove the connector (Figure 5-11).
2. If the bullet connector is broken off so that a nut driver cannot be used to remove the connector, use a three-
sided file with a tapered end or a similar tool that will provide a grip.
3. Apply a light coat of silicone to the O-rings on the bullet connector.
4. Screw the replacement bullet connector into the receptacle and tighten with nut driver to 3 in - lbs (3.5 kg-cm).
Do not over tighten.
High Current Contact Removal and Replacement
1. Grab the high current contact with the tweezers and pull off stud (Figure 5-11).
2. Replace by pushing the high current contact into the slot on the stud.
Bullet
Connector
Broken Bullet
Connector
High Current Contact
High Current Contact Slot
Figure 5-11 Bullet Connector and High Current Contact Removal and Replacement