Description
Overview:
This throttle spring is a genuine JCB part for the HM25 Hydraulic Breaker. It is a compact compression spring made from high‐tensile spring steel, designed to provide the correct return force for the throttle mechanism so the breaker responds predictably and returns to idle when released. The spring helps maintain smooth control and consistent power delivery, reducing erratic running caused by a weak or damaged spring. Length is 40 mm (1.57 inches), matching the original specification for easy replacement. Identified by OEM No. 929/05343 and manufacturer reference JCB92905343, it is built for a precise fit and dependable service life on the HM25, supporting routine maintenance schedules and restoring performance without modification.
Key Features:
- Genuine JCB part for assured compatibility and quality
- Exact fit for the HM25 Hydraulic Breaker; no modifications required
- High‐tensile spring steel for reliable return force and durability
- Length 40 mm (1.57 inches) to match original specification
- Helps restore smooth throttle control and consistent operation
- Simple, straightforward installation to minimise downtime
- Resists fatigue under repeated cycling in demanding site conditions
- Supports preventative maintenance to protect the breaker's throttle components
Typical Applications:
Used to replace a worn or broken throttle return spring in JCB HM25 breakers working on demolition, road and pathway repairs, utility trenching, fencing, and general site maintenance. Suitable for keeping the control response stable during frequent start-stop use and under heavy vibration.
Also known as:
Throttle return spring for HM25, accelerator return spring for hydraulic breaker, control return spring for JCB hammer, HM25 hammer return spring, breaker control spring.
Fits Models:
HM25
Alternate Part Numbers:
929 05343, 92905343
Product Specifications
| L&S Part No. | 929/05343 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | JCB |
| OEM No. | JCB92905343 |
| Unit of Sale | 1 |
| Size | Length of Spring: 40mm |
| Applications | HM25 |
| Machine Type | Breakers |
| Fits Brands | JCB |
| Fits Models | HM25 |
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