Hypertherm Duramax Series Field Service Bulletin

TORCH LEAD REPLACEMENT
6 Field Service Bulletin
Reassemble the torch with the new torch lead
1. Apply Threadlocker (Part # 330103) to the threads of the gas tube fitting on the torch body. Be very careful not to
get any Threadlocker on the conical surface of the gas tube fitting to avoid damage to the torch. See the figure
below.
2. Thread the torch body fitting into the gas fitting of the new torch lead until snug.
3. Use two wrenches to tighten the gas fitting that secures the torch body to the torch lead. Tighten to 69 kg cm,
(60in.-lbs).
4. Tighten the screw that secures the torch’s pilot wire to the torch body to 5.76 kg-cm (5 inch-pounds).
5. Connect the start switch to the torch lead by aligning the tab on the wire connector with the mating slot on the start
switch and pushing the switch onto the connector until it clicks.
6. Connect the cap sensor switch to the torch lead by pushing the socket onto the mating plug of the torch lead.
Caution: Do not get any Threadlocker on the conical surface of the gas tube fitting to avoid causing
damage to the torch. If any Threadlocker does get on this surface, clean it off immediately.
Conical surface of the
gas tube fitting

Hypertherm Duramax Series Specifications

General

Cooling	Air-cooled
Type	Plasma cutting torch
Series	Duramax
Compatibility	Powermax systems
Torch Lengths	15' (4.6 m), 25' (7.6 m)
Consumables	Nozzles, electrodes, shields, retaining caps, swirl rings
Torch Models	Duramax Lock
Compatible Systems	Powermax65, Powermax85, Powermax105
Nozzle Types	FineCut
Electrode Types	Standard
Shield Types	Standard
Length	15 ft (4.6 m) standard, 25 ft (7.6 m) optional