Installation
XPR300 Instruction Manual 809480 135
6. Install the torch in the torch receptacle. Refer to Install the torch into the torch receptacle on
page 135.
7. Install the torch and attached receptacle in the torch mounting bracket. Refer to Install the torch
in the torch mounting bracket on page 131.
Install the torch into the torch receptacle
1. Apply a thin film of silicone lubricant (027055) to each of the 4 O-rings inside of the torch body.
Do not apply silicone to the brass electrical connectors.
The O-rings should look shiny. Too much lubricant can prevent gas flow.
Remove excess lubricant if found.
2. Install the torch in the torch receptacle:
a. Turn the torch body with slight upward force until you feel it engage into position in the
receptacle.
Use your hands to tighten the torch-coupler nut until the coupler
nut no longer rotates. Do not use tools.
1 Pilot arc
2 Coolant return
3 Ohmic
4 Shield gas
5 Coolant supply
6 Plasma gas
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