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48R470 - Surfox 204 Replacement Main Control Board Ng6

Packaging: 1 per each
$394.94/ea

Usually ships within 3-5 business days

SKU: 48R470 Categories: ,

OVERVIEW

Technical Overview of the Walter 48R470 Control Board

The Walter 48R470 Control Board Ng6 is the central processing unit designed specifically for the Surfox 204 electrochemical weld cleaning system. As a critical OEM component, this printed circuit board (PCB) manages the complex interplay between the machine's power inverter and the electrolyte delivery system. It is engineered to rectify input power and modulate the output current, allowing the operator to switch seamlessly between AC mode for cleaning and marking, and DC mode for polishing and etching stainless steel surfaces.

Failure of the main control board can manifest as erratic power delivery, failure to pump electrolyte fluid, or a complete system non-start. The Ng6 revision of this board incorporates updated logic pathways to ensure stable operation under the thermal loads typical of continuous industrial use. It directly interfaces with the front panel controls, interpreting user inputs for voltage settings and translating them into precise electrical output at the wand tip. This precision is vital for achieving ASTM A967 compliant passivation, as incorrect voltage can lead to pitting or insufficient oxide removal.

Installation of the 48R470 requires access to the internal chassis of the Surfox unit. The board features designated terminal blocks and molex-style connectors for the transformer inputs, pump output, and wand connections, ensuring a secure fit without the need for soldering. By utilizing genuine Walter Surface Technologies replacement parts, maintenance teams ensure that the machine's safety features—such as thermal overload protection and short-circuit prevention—remain fully functional, protecting both the operator and the expensive internal transformer components.

Key Technical Specifications:

  • Compatibility: Exclusively for Surfox 204 series units.
  • Functionality: Controls amperage regulation, mode switching (AC/DC), and peristaltic pump actuation.
  • Construction: Industrial-grade PCB with conformal coating resistance to incidental moisture.
  • Input/Output: Manages low-voltage control signals and high-amperage output regulation.
Additional Information
Packaging Description:1 per each
Part Type:Control Board, Electronic Module, PCB
Compatible Equipment:Electrochemical Weld Cleaning Systems, Surfox 204
Product Type:Replacement Part
Voltage Type:Low Voltage Control
Installation Type:Internal Component

INCLUDED

  • 1 x Walter Control Board Ng6 (48R470)
  • Protective Anti-Static Packaging
  • Installation Schematic (if applicable)

APPLICATIONS

  • Repairing Surfox 204 weld cleaning machines
  • Restoring variable voltage control functionality
  • Fixing issues with electrolyte pump activation
  • Replacing damaged or shorted main logic boards

FAQ

The 48R470 Control Board Ng6 is designed specifically for the Walter Surfox 204 electrochemical weld cleaning system.

Yes, this main control board manages the signals to the peristaltic pump, controlling the flow of electrolyte fluid to the wand.

Typically, the Surfox control boards utilize plug-and-play connectors and screw terminals, so soldering is usually not required for replacement.

Common symptoms include the machine failing to power on, inability to change voltage settings, the pump not running, or erratic output at the wand.

Yes, this is a genuine OEM replacement part manufactured by Walter Surface Technologies.

Yes, the logic on this board controls the switching and regulation for both AC (cleaning/marking) and DC (polishing/etching) output modes.

No, control boards are generally model-specific. You should verify your machine's parts diagram, but the 48R470 is standard for the Surfox 204.

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