Hypertherm HD4070 Rev.1 - Manual (Page 132)

OPERATION
HyPerformance HD4070 Instruction Manual 4-7
Daily start-up
Prior to start-up, ensure that your cutting environment and clothing meet the safety requirements outlined in the
Safety section of this manual.
Check torch
1
1. Turn main disconnect switch to the power supply OFF.
2. Remove the consumables from the torch and check for worn or damaged parts. Always place the
consumables on a clean, dry, oil-free surface after removing. Dirty consumables can cause the torch to
malfunction.
• Refer to Changing consumable parts later in this section for details and for parts inspection tables.
• Refer to the Cut charts to choose the correct consumables for your cutting needs.
3. Replace consumable parts. Refer to Changing consumable parts later in this section for details.
4. Ensure that the torch is perpendicular to the workpiece.
WARNING
Before operating this system, you must read the Safety section thoroughly! Turn OFF the power
supply's main disconnect switch before proceeding with the following steps.
Retaining cap Torch Current ring Electrode Swirl ring Nozzle Shield Inner retaining cap