Speeflo part 9822637 is a 5/8" lock washer designed to prevent fasteners from loosening due to vibration on compatible Speeflo PowrDriver units. It provides spring tension between the fastener head and mounting surface, maintaining clamping force and preventing nuts and bolts from backing out during operation. Replacing a worn, flattened, or missing lock washer ensures secure fastening and reliable equipment performance.
| Part Number | 9822637 |
|---|---|
| Part Description | Lock Washer, 5/8" |
| Brand | Speeflo |
| Fits | Speeflo PowrDriver (Model 0290007) |
| Condition | New |
The Speeflo 9822637 Lock Washer is a 5/8" split-ring lock washer designed to provide spring tension between the fastener head or nut and the mounting surface. This tension prevents the fastener from loosening due to vibration, thermal cycling, or dynamic loads during operation. It is an essential component for maintaining secure connections in pump mounts, motor assemblies, and frame attachments on the Speeflo PowrDriver.
Over time, lock washers can lose their spring tension due to repeated compression, corrosion, or over-torquing. A weakened or flattened washer may no longer provide adequate locking force, allowing nuts and bolts to back out. This can lead to component misalignment, increased wear, fluid leaks, or mechanical failure. Replacing worn lock washers with genuine Speeflo part 9822637 restores secure fastening and helps ensure reliable operation.
| Vibration resistance | Spring action maintains tension between nut and joint, resisting loosening from machine vibration |
|---|---|
| Clamping force retention | Helps keep fasteners tight, preventing gaps and maintaining assembly integrity |
| Compensation for wear | Can take up slight slack caused by settling or thermal expansion |
| Loss of spring tension | Washer is flattened or does not spring back when compressed |
|---|---|
| Corrosion / damage | Rust, cracks, or deformation that compromises function |
| Recurring loosening | Fasteners repeatedly come loose despite proper torque |
| During overhaul | Replace as part of preventive maintenance when disassembling assemblies |
Part 9822637 is designed specifically for the Speeflo PowrDriver. Always confirm fitment with your equipment's parts manual.
| Model | Description |
|---|---|
| 0290007 | Speeflo PowrDriver |
When replacing lock washers, inspect these associated components to ensure a complete repair.
Check for thread damage or stretching. Replace if worn to ensure proper clamping force.
Used under the lock washer or bolt head to distribute load; replace if deformed or corroded.
Can supplement locking in high‑vibration areas; ensure compatibility with disassembly needs.
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