The Lincoln Electric W7003090 is a specialized 24V DC cooling fan designed for the maintenance and repair of specific inverter-based welding power sources, notably the 161 and 201TS series. In modern welding equipment, thermal management is critical. Inverter components, such as IGBTs and diodes, generate significant heat during the welding process. The cooling fan is the primary active mechanism for dissipating this heat, ensuring the machine can maintain its rated duty cycle and preventing catastrophic thermal failure.
This component is an OEM (Original Equipment Manufacturer) part, ensuring exact electrical and mechanical compatibility. Unlike generic fans which may have differing impedance, airflow characteristics (CFM), or connector types, the W7003090 is engineered to interface directly with the control boards of the 161 and 201TS units. It operates on a 24V DC circuit, a common control voltage in compact inverter designs, providing consistent speed and airflow independent of minor fluctuations in the main input power.
Technicians replacing a failed fan should verify the input voltage at the fan header on the PCB to ensure the failure was indeed the fan and not the driving circuit. Symptoms of a failing fan include excessive noise, seized blades, or the machine tripping into thermal protection mode (often indicated by a yellow light) prematurely. Replacing a compromised fan with this genuine part restores the thermal equilibrium of the welder, protecting the investment in the power source.
The W7003090 is designed for straightforward installation. It typically mounts to the chassis or heat sink assembly using standard fasteners (retained from the original unit) and connects via a specific 2-pin or 3-pin connector tailored to the machine's harness. Proper orientation is vital to ensure airflow direction matches the machine's design—usually pulling cool air in from the rear and exhausting it over the heat sinks.
| Additional Information |
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| Packaging Description:pack of 1 |
| ----- new values below ---- |
| Product Type:Replacement Cooling Fan |
| Compatible Models:161 Series, 201TS Series |
| Power Type:DC |
| Application:Machine Repair, Thermal Management |
| Voltage:24V DC |
| Packaging Description:1 Per Ea |
