5. Use the XPR web interface or CNC to select a process ID for a water process (such as 2028).
6. Select Preflow from the Plasma Process Selection menu.
During preflow, water mist will exit the torch nozzle for approximately
45 - 50 seconds.
7. Repeat the previous step until shield water mist is no longer visible exiting the torch nozzle.
It can take 7 - 10 preflow cycles for the shield water mist to stop.
Torque specifications for gas or water plumbing and
hose connections
For the best results, use the recommended torque specifications for plumbing and hose fittings.
Table 14 - Torque specifications
Gas or water hose dimensions N∙m lbf∙in lbf∙ft
10 mm (3/8 inch) or less 8.5 – 9.5 75 – 84 6.25 – 7
12 mm (1/2 inch) 16.3 – 19.0 144 – 168 12 – 14
25 mm (1 inch) 54.2 – 88.1 480 – 780 40 – 65
Coolant requirements
Add the correct type and amount of coolant before you operate the plasma cutting system.
The cutting system ships without coolant in the reservoir. Before you operate the cutting system, you
must fill it with coolant. The capacity of the coolant system is between 22.7 liters – 45 liters (6 U.S. gallons
– 12 U.S. gallons). The coolant capacity for the total coolant system is 22.7 liters – 45 liters (6 U.S.
gallons – 12 U.S. gallons). The capacity of the coolant reservoir is 15.14 liters (4 U.S. gallons).
Lead length has an effect on the total coolant volume needed. A cutting system with long leads needs
more coolant than a cutting system with short leads.
Before you fill the coolant reservoir, choose the best coolant for your operating conditions. The ambient
temperature range where your cutting system operates affects the coolant that you choose.
Qualifications and Requirements
2
57811530Instruction ManualXPR460
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