Hypertherm Duramax Hyamp Series, Service Manual

Page: 74 / 102

74 Duramax Hyamp Long Handheld Torches Service Manual 808290
4 – Component Replacement
Replace the cap-sensor switch
Remove the cap-sensor switch
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 45 and Remove the front shell on page 51.
3. Remove the torch body from the rest of the torch. See Remove the torch body on page 62.
4. 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.
1.8 m (6 foot) torches: Mark where the 3 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).
5. Peel the foam strip or strips off of the gas tube and discard. Also discard the cap-sensor switch .
Figure 30

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; the 1.8 m (6 foot) torches contain 3 foam strips around the middle of the torch
body.
Kit Description
428288 Kit: Duramax Hyamp long handheld torch cap-sensor switch replacement, 0.6 m (2 feet)
428289 Kit: Duramax Hyamp long handheld torch cap-sensor switch replacement, 1.2 m (4 feet)
428822 Kit: Duramax Hyamp long handheld torch cap-sensor switch replacement, 1.8 m (6 feet)
1
1
1
2
2 1