Hypertherm Duramax Hyamp Long Handheld Torches - Manual (Page 72)

72 Duramax Hyamp Long Handheld Torches Service Manual 808290
4 – Component Replacement
Replace the extension tube
Remove the extension tube
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. Discard the extension tube.
Install the extension tube
1. Make sure the consumables have been removed from the torch.
2. Make sure that the pilot terminal screw on the torch head is tightened to 17.3 kg∙cm (15 inch∙pounds).
3. Install the new extension tube as you reinstall the torch body. See Install the torch body on page 61.
4. Reinstall the front shell. See Install the front shell on page 49.
5. Reinstall the rest of the torch components and the torch handle. See Install the handle on page 43.
Kit Description
428280* Kit: Duramax Hyamp long handheld torch extension tube replacement, 0.6 m (2 feet)
428281* Kit: Duramax Hyamp long handheld torch extension tube replacement, 1.2 m (4 feet)
* The extension tubes cannot be used to convert a 0.6 m (2 foot) torch to a 1.2 m (4 foot) torch or to convert a 1.2 m (4 foot) torch
to a 0.6 m (2 foot) torch.