Hypertherm Powermax 85 Field Service Bulletin

DSP boarD rePlacement
Field Service Bulletin 1
Introduction
Purpose
This Field Service Bulletin describes the procedure for replacing the digital signal processor (DSP) board in the power
supply.
Powermax105 systems: Complete instructions for installing this repair kit are included in the Powermax105 Service
Manual. To download the Service Manual, go to www.hypertherm.com and click the “Downloads library” link.
Materials and tools
#2 Phillips screwdriver
Blade screwdriver
T15 and T20 TORX screwdrivers
Kit 228909 contents
WARNING
ELECTRIC SHOCK CAN KILL
Disconnect electrical power before performing any maintenance. See the
Safety and Compliance Manual included with your system for more safety
precautions.
Part number Description Quantity
075766 M3 x 16 mm machine screw 2
141269 DSP board 1

Hypertherm Powermax 85 Specifications

General

Gas Supply	Clean, dry, oil-free air or nitrogen
Cooling Method	Fan-cooled
Input Voltage	200-600V, 3-phase
Current Output	25-85 A
Duty Cycle	60% @ 85 A
Recommended Gas Inlet Flow Rate/Pressure	6.7 scfm @ 85 psi
Cutting Capacity (Recommended)	1" (25 mm)
Gas Type	Air/Nitrogen