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09M24 - ESAB 09M24 Throttle Valve Assembly for CW 200/250/W200

Packaging: pack of 1
$76.22/EA

Usually ships within 3-5 business days

SKU: ESB09M24 Categories: ,

OVERVIEW

Technical Overview of the ESAB 09M24 Throttle Valve Assembly

The ESAB 09M24 is a specialized Throttle Valve Assembly designed for the maintenance and repair of legacy engine-driven welding power sources, specifically the CW 200, CW 250, and W200 series. In the context of engine-driven welding equipment, the throttle assembly plays a pivotal role in the governor system, directly influencing the machine's ability to maintain the correct Revolutions Per Minute (RPM) required for stable electrical output.

This assembly functions by regulating the fuel and air mixture intake (or governor linkage position) in response to the load demand placed on the generator. When the operator strikes an arc, the welding controller signals the throttle assembly to disengage the idle circuit and ramp the engine up to the operating speed. This transition must be smooth and rapid to prevent voltage sag and ensure immediate arc establishment. Conversely, when the arc is broken, the assembly must reliably return the engine to a low idle to conserve fuel and reduce noise.

Over time, mechanical components within the throttle valve assembly can succumb to wear, corrosion, or carbon fouling. Symptoms of a failing assembly include engine hunting (surging RPMs), failure to rev up under load, or sticking at high idle. Such issues directly compromise the Open Circuit Voltage (OCV) and the dynamic characteristics of the welding arc, leading to porosity, poor penetration, or arc instability. The 09M24 is manufactured to the original equipment specifications, ensuring correct linkage geometry, spring tension, and flow characteristics for the compatible CW and W series machines. Installation of this OEM part is critical for restoring the factory-specified performance parameters of the power source.

Technicians should verify the specific model number of the welder before installation, as legacy Airco/ESAB product lines often share similar nomenclature but utilize distinct mechanical governor components. This unit is supplied as a complete assembly to facilitate a straightforward swap-out procedure during overhaul or repair.

Additional Information
Packaging Description:1-per-each, pack of 1
Brand:Esab
Compatible Models:CW 200, CW 250, W200
Part Type:Throttle Valve Assembly
Application:Engine Speed Control, Welder Repair

INCLUDED

  • 1 x Throttle Valve Assembly (09M24)
  • Installation Linkage Hardware (Pre-assembled)

APPLICATIONS

  • Repair of ESAB/Airco CW 200 Engine Driven Welders
  • Repair of CW 250 Welding Power Sources
  • Maintenance of W200 Series Welders
  • Restoration of proper engine governor function
  • Fixing idle/run speed issues in welding generators

FAQ

The 09M24 Throttle Valve Assembly is designed for use with CW 200, CW 250, and W200 series engine-driven welders.

Yes, this is a genuine ESAB replacement part, ensuring compatibility with the original equipment specifications of the legacy Airco/ESAB machines.

Common symptoms include the engine failing to rev up when an arc is struck, the engine failing to return to idle, or erratic engine speeds (hunting/surging) during operation.

No, it controls the engine RPM. However, correct engine RPM is required for the generator to produce the correct voltage and amperage output.

Installation requires mechanical knowledge of engine governor systems. If you are comfortable with engine repair, it can be done; otherwise, a qualified technician is recommended.

Typically, this part number refers to the valve assembly itself. Gaskets are usually sold separately unless specified otherwise in the kit contents.

A stuck throttle valve or a failure in the solenoid linkage connected to this assembly can cause the machine to remain at high idle. Replacing the assembly often resolves mechanical sticking issues.

The CW 200/250 series were often gas-powered units. Verify your specific engine model and welder serial number to ensure this throttle assembly matches your fuel system.

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