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Product Advantage
Spring positioning support
WHST40-08-3 serves as a "seat" or "washer" for the spring, used to fix the position of the spring and maintain the correct installation direction inside the pump or motor.
Prevent the spring from shifting, tilting, or coming into contact with metal parts to ensure even force distribution on the spring.
Shock absorption and buffering
During the operation of hydraulic pumps, HST drive systems, or motors, springs are subjected to pressure and vibration.
The spring seat can reduce the impact of vibration on the machine structure and protect the spring and surrounding parts from excessive wear.
Extend the lifespan of components
Reduce the risk of spring fatigue or deformation by dispersing pressure and maintaining uniform force distribution on the spring.
Prevent internal parts of the pump or motor from wearing out due to spring misalignment, ensuring long-term stable operation of the HST system.
Ensure structural safety and operational stability
Correctly installing the spring seat can ensure smooth operation of the hydraulic system, HST drive, or motor, avoiding vibration, abnormal noise, or performance degradation“
Technical Parameters
| ITEMS | DESCRIPTION |
| Name | Spring Seat |
| Code | WHST40-08-3 |
| Weight | 0.02 2 pieces/set |
| Size(mm) | Φ:36 H:1 |
Product Uses
Generally applicable to 45 cc HST models of World Harvester harvesters/agricultural machinery - used in the hydraulic pump or motor system of this series of machines
Product Operate Guide
Inspection and replacement timing
Regularly inspect the spring seat for deformation, cracks, wear, or aging.
When there is abnormal force on the spring or vibration or abnormal noise in the pump/motor, the spring seat should be inspected with emphasis.
Once damage or deformation is found, it should be replaced promptly to avoid affecting the lifespan of the spring and pump/motor.
Installation recommendations
Clean the installation surface before installation to ensure there are no impurities, rust, or foreign objects.
The spring seat should be placed correctly in the designated position, maintaining a tight fit with the spring.
Avoid uneven force on the spring seat and ensure that the direction of force on the spring is correct.
If required by the instruction manual, a small amount of lubricating grease can be applied to the seat surface to reduce friction.
use in combination
The spring seat should be used in conjunction with the original spring, and size matching is crucial (WHST40-08-3 standard size Φ 36 mm, height 1 mm).
It is not recommended to use substitute springs that are too hard or too soft, as this can cause uneven stress on the seat or accelerate wear.
Operation precautions
Be careful not to damage the spring seat when maintaining or disassembling the hydraulic pump/HST motor.
The spring seat is a small component that can be installed using tweezers or suitable tools to avoid loss or installation.
Product Video
