Hypertherm Duramax, Service Manual

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62 Duramax/Duramax Hyamp Robotic Torches Service Manual 807460
4 – Component Replacement
Replacing the torch lead
1. Complete the following procedures:
a. See Disconnect the power, gas supply, and torch on page 55.
b. Remove all components from the torch. See Remove the positioning barrel on page 56.
2. Disconnect the cap-sensor switch.
Figure 29
3. Remove the pilot terminal screw.
4. Use 2 wrenches to loosen the gas fitting that secures the torch body to the torch lead.

Heating the gas fitting can help loosen the threadlocker and make removing the torch
body easier. Slowly heat only the fitting with a heat gun until you can easily loosen the
fitting.
Kit Description
228852 Kit: Robotic torch lead replacement, 7.6 m (25 feet)
428292 Kit: Duramax Hyamp robotic torch lead replacement, 7.6 m (25 feet)
CAUTION!
Do not apply heat to the wires. Heating the wires could cause damage to the connections in the torch
lead.
CAUTION!
Always use 2 wrenches to properly loosen and tighten the hex nuts and bolts mentioned in these
procedures. A strong threadlocker is used to assemble the torch, and loosening the nuts incorrectly
can damage the threads.
Tab
Cap-sensor switch