Section 9, Power supply component replacement, Section 9 power supply component replacement – Hypertherm Powermax105 Service Manual User Manual
Page 199: Powermax
powermax
105 Service Manual
9-1
Section 9
PoWER SUPPly CoMPoNENt REPlACEMENt
In this section:
Replacing the air filter element ............................................................................................................................................................9-3
Replacing the work lead connector ....................................................................................................................................................9-3
Installing the optional filter kit ...............................................................................................................................................................9-3
Replacing the power supply cover .....................................................................................................................................................9-3
Replacing the component barrier ........................................................................................................................................................9-3
Installing the machine interface cable with voltage divider board ...............................................................................................9-4
Installing the machine interface cable ................................................................................................................................................9-4
Installing the RS485 serial interface cable .......................................................................................................................................9-4
Replacing the power cord ....................................................................................................................................................................9-5
Replacing the strain relief connector ..................................................................................................................................................9-5
Replacing the power switch .................................................................................................................................................................9-6
Replacing the control board .................................................................................................................................................................9-6
Replacing the DSP board .....................................................................................................................................................................9-6
Replacing the power board .................................................................................................................................................................. 9-7
Replacing the input diode bridge ........................................................................................................................................................ 9-7
Replacing the output diode bridge .....................................................................................................................................................9-8
Replacing the pilot arc IGBT ...............................................................................................................................................................9-8
Replacing the inverter IGBT module ..................................................................................................................................................9-8
Replacing the PFC IGBT module .......................................................................................................................................................9-9
Replacing the snubber resistor ............................................................................................................................................................9-9
Replacing the damper resistor ...........................................................................................................................................................9-10
Replacing the thermal sensor ............................................................................................................................................................9-10
Replacing the fan shroud ....................................................................................................................................................................9-10
Replacing the fan ................................................................................................................................................................................. 9-11
Replacing the pressure transducer ................................................................................................................................................. 9-11
Replacing the pressure switch ......................................................................................................................................................... 9-11
Replacing the air filter subassembly ................................................................................................................................................ 9-12