Hypertherm XPR300 User Manual

Maintenance
7
248 809480 Instruction Manual XPR300
How to replace the water tube
1. Complete the following procedures before continuing:
a. Remove the power from the cutting system on page 240
b. Remove the torch and consumable parts on page 242
2. Remove the water tube from the torch.
3. Examine the O-ring on the end of the water tube:
a. Replace the O-ring if you find damage or excess wear.

Torch rebuild kits are available from Hypertherm. Refer to Preventive
maintenance kits on page 401 of the Parts List.
b. Apply a thin film of silicone lubricant (027055) if the O-ring is dry.

The O-ring should look shiny. Too much lubricant can restrict water tube
motion. Remove excess lubricant if found.
WARNING
ELECTRIC SHOCK CAN KILL
Disconnect electrical power before doing installation or maintenance.
The line-disconnect switch must REMAIN in the OFF position until all
installation or maintenance steps are complete.
See the Safety and Compliance Manual (80669C) for more safety
information.

Hypertherm XPR300 Specifications

General

Cutting Current	300 A
Duty Cycle	100% at 300 A
Technology	X-Definition Plasma
Gas Supply	Oxygen, Nitrogen, Air
Cutting Capacity (Mild Steel)	38 mm (1.5 in)
Severance Capacity (Mild Steel)	75 mm (3 in)
Pierce Capacity (Mild Steel)	50 mm (2 in)
Input Voltage	200–480 V, 3-PH, 50/60 Hz