Hydra part 314-002 is a lower spring retainer used to secure and position the lower end of the packing spring in the pump fluid section of compatible sprayers. This component holds the spring in place, ensuring proper tension on the packings for effective sealing. It is an essential replacement part during pump rebuilds on Hydra M and Hydra Pro Super models.
| Part Number | 314-002 |
|---|---|
| Part Description | Lower Spring Retainer |
| Brand | Hydra |
| Fits | Hydra M, Hydra Pro Super |
| Condition | New |
The Hydra 314-002 lower spring retainer is a precision component that seats and positions the lower end of the packing spring within the pump fluid section. It ensures the spring remains properly aligned and applies consistent pressure to the packings, which is essential for maintaining an effective seal around the piston.
Over time, spring retainers can become worn, distorted, or damaged during disassembly. A damaged retainer can allow the spring to shift, reducing packing tension and leading to fluid bypass, pressure loss, and accelerated wear. Replacing the lower spring retainer during pump service ensures the spring functions correctly and packings remain properly compressed.
| Positions packing spring | Holds the lower end of the spring in correct location |
|---|---|
| Maintains spring alignment | Prevents spring from shifting during operation |
| Ensures proper tension | Allows spring to apply consistent pressure to packings |
| Provides bearing surface | May act as a wear surface for spring contact |
| Visible wear or damage | Cracks, distortion, or worn surfaces |
|---|---|
| During spring replacement | Replace retainer when changing packing spring |
| During packing replacement | Retainer works with spring to tension packings |
| Corrosion or pitting | Surface degradation compromises fit |
Hydra part 314-002 is designed for use with the following sprayer models. Always verify your pump configuration before ordering.
| Brand / Model | Component |
|---|---|
| Hydra M | Lower Spring Retainer |
| Hydra Pro Super | Lower Spring Retainer |
When replacing the lower spring retainer, these components are often replaced or inspected to ensure a complete fluid section overhaul.
The spring works directly with the retainer; replace both together.
Packings are compressed by the spring; replace during service.
The upper retainer holds the opposite end of the spring.
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