Hypertherm Duramax Hyamp Long Handheld Torches - Manual (Page 65)

Duramax Hyamp Long Handheld Torches Service Manual 808290 65
4 – Component Replacement
Replace the pilot arc wire
Remove the pilot arc wire
1. Turn OFF (O) the power, disconnect the gas supply, and disconnect the torch.
2. Remove all components from the upper and lower parts of the torch, including the consumables. See Remove the
handle on page 41 and Remove the front shell on page 47.
3. Remove the torch body from the rest of the torch. See Remove the torch body on page 58.
4. Remove the pilot terminal screw from the torch head.
5. 0.6 m (2 foot) torches: Mark where the foam strip is wrapped around the middle of the torch body’s gas tube so
that you can install a new strip in the same place.
1.2 m (4 foot) torches: Mark where the 2 foam strips are wrapped around the middle of the torch body’s gas
tube so that you can install new strips in the same place.

Do not remove the foam strip at the top of the gas tube (near the torch head).
Figure 27

The 0.6 m (2 foot) torches contain only 1 foam strip around the middle of the torch body;
the 1.2 m (4 foot) torches (pictured above) contain 2 foam strips around the middle of the
torch body.
6. Peel the foam strip or strips off of the gas tube and discard. Also discard the red pilot arc wire.

Do not discard the cap-sensor switch (and wires).
Kit Description
428290 Kit: Duramax Hyamp long handheld torch pilot arc wire replacement (with screws), 0.6 m
(2 feet)
428291 Kit: Duramax Hyamp long handheld torch pilot arc wire replacement (with screws), 1.2 m
(4 feet)
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