Product Description
**Milwaukee parts change not only by model# but also by serial number. Milwaukee's site lets you look up your tool's parts diagram. Enter Cat# and Select Service Parts. Also match Serial Number.
Milwaukee Spring
Model Number: 40-50-0243
The Milwaukee 40-50-0243 is a genuine OEM Spring for the 2880-20 and 2886-20 M18 FUEL Angle Grinders with paddle switch. This small compression spring provides return and biasing force within the grinder's paddle switch and control mechanism, where a precisely calibrated spring force is needed for the switch and its controls to operate correctly. Milwaukee includes it in the grinder's paddle switch service kit, which makes it one of the wear parts of that mechanism. Because the spring cycles with the switch and must hold its calibrated force, a weakened, fatigued, or broken spring can keep the mechanism from returning or operating smoothly. Replacing it with the genuine Milwaukee OEM spring restores the correct force and action, where an off-spec spring may physically fit but not provide the right rate, which can cause the mechanism to malfunction even though it seats in the space.
This spring is identified simply as Spring on the Milwaukee service parts lists for these grinders, at Figure 5 on the 2886-20 M18 FUEL Flat Head Braking Angle Grinder (bulletin 54-38-2350) and Figure 43 on the 2880-20 M18 FUEL Angle Grinder with Paddle Switch and Lock-Off (bulletin 54-38-7025). It is also a documented component of the grinder's paddle switch service kit (31-92-1060), so if more of the paddle mechanism is worn, that kit may be the better choice, while this part is the spring on its own. Because the spring is small and these grinders use several springs, confirm the position against the service parts diagram for your grinder. Because Milwaukee specifies service parts by serial number as well as catalog number, verify your catalog and serial number against the official Milwaukee service parts diagram before ordering, since running production changes can alter part compatibility within the same catalog number.
Features
- Genuine Milwaukee OEM spring
- For the 2880-20 and 2886-20 M18 FUEL angle grinders with paddle switch
- A compression spring in the grinder's paddle switch and control mechanism
- Provides the calibrated return and biasing force the mechanism needs
- A documented component of the paddle switch service kit (31-92-1060)
- Figure 5 on the 2886-20 diagram (bulletin 54-38-2350); Figure 43 on the 2880-20 (bulletin 54-38-7025)
- Restores correct force and smooth mechanism action
- Replace if the mechanism does not return or operate smoothly
- Order by exact part number, since these grinders use several springs
- Sold individually
Specifications
- Manufacturer: Milwaukee Tool
- Part Number: 40-50-0243
- Official Description: Spring (compression spring)
- Component Type: Angle grinder paddle switch mechanism spring
- Primary Fitment: Milwaukee 2880-20 and 2886-20 M18 FUEL Angle Grinders
- Also Referenced On: Component of the paddle switch service kit 31-92-1060; verify additional applications using Milwaukee's online parts lookup
- Parts Diagram Position: Figure 5 (bulletin 54-38-2350) and Figure 43 (bulletin 54-38-7025)
- Quantity: Sold individually (1 spring)
- Part Type: Genuine Milwaukee OEM Replacement Part
Includes
- (1) Spring
The paddle switch service kit (31-92-1060) and the grinder are NOT included and are sold separately; if more of the paddle mechanism is worn, consider the kit. Always verify by serial number using Milwaukee's online parts lookup before ordering.
