Descent Control Spring for Manual Pallet Jack
40505
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Compatibility
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Visit our diagram page for part references to popular models
Product Description
Replacement descent control spring for manual pallet jacks. This high-carbon alloy steel spring provides return force and resistance in the descent control linkage, enabling proper fork positioning and smooth lowering speed control. Direct replacement for multiple manual jack models from major manufacturers.
Specifications
Product Overview
| Product Type | Compression/Torsion Spring |
Physical Specifications
| Material | High-Carbon Alloy Steel, Tempered |
| Function | Provides return force and descent control resistance |
| Durability | Engineered for repeated compression cycles |
| Typical Service Life | 5-7 years under normal use conditions |
Compatibility
| Application | Descent Control Linkage - Manual Pallet Jacks |
Frequently Asked Questions
Q: What type of spring is SKU 40505?
A: This is a compression or torsion spring used in the descent control linkage of manual pallet jacks. It provides return force and resistance to maintain fork position and control lowering speed.
Q: Which manual pallet jack models use this spring?
A: SKU 40505 fits multiple Crown, Toyota, Raymond, and Yale manual jack models. Cross-reference your jack model and production year against our compatibility chart to confirm fitment.
Q: What are the material and spring rate specifications?
A: This spring is made from high-carbon alloy steel tempered for durability. The specific spring rate and dimensions are critical to descent control function. Verify exact specifications against the original part before ordering.
Q: What causes spring failure?
A: Springs fail due to metal fatigue from repeated compression cycles, corrosion in wet environments, overloading beyond design capacity, or loss of temper from excessive heat. A failed spring results in poor descent control or inability to hold fork position.
Q: How long does this spring last?
A: A well-maintained spring typically lasts 5 to 7 years in normal use. High-cycle environments, inadequate lubrication, or corrosive storage conditions reduce lifespan significantly. Replace when the jack loses control responsiveness or descent becomes difficult to manage.
Q: Can I substitute a different spring for this part?
A: No. Spring rate, material composition, and dimensions are engineered for specific descent control behavior and load handling. Using an incorrect spring compromises safety and control. Use only the exact OEM equivalent.