Product Description
High-strength compression spring designed for the hydraulic pump linkage assembly in Lift-Rite (Big Joe) L-50 manual pallet jacks. This direct replacement spring provides consistent compression and return force in the pump control linkage, maintaining proper component tension during all lift and lower cycles. Manufactured from premium spring steel with coil-wound construction and closed ends for reliable performance and extended service life.
Specifications
Dimensional Specifications
| Application Location | Mounts to control linkage of Lift-Rite L-50 hydraulic unit |
Material & Construction
| Material | High strength spring steel |
| Construction | Coil wound, closed ends |
Part Information
| Part Number | 10274-C |
| Compatibility | Lift-Rite (Big Joe) L-50 manual pallet jack |
| Function | Hydraulic pump linkage compression |
| Alternate Models | L50, L 50 |
Frequently Asked Questions
Q: What is the 10274-C and what does it do in the Lift-Rite L-50 pallet jack?
A: The 10274-C is a compression spring designed for the hydraulic pump linkage assembly in Lift-Rite L-50 manual pallet jacks. Its function is to provide compression and return force in the pump control linkage, keeping components properly tensioned during lift and lower cycles.
Q: What material is the 10274-C spring made from and how is it constructed?
A: The 10274-C is manufactured from high strength spring steel with a coil-wound construction and closed ends. This design provides the strength and fatigue resistance needed for repeated compression cycling during pump operation over the service life of the jack.
Q: Where is the 10274-C spring mounted in the L-50 pallet jack?
A: The 10274-C spring mounts to the control linkage of the Lift-Rite L-50 hydraulic unit, specifically in the pump displacement control assembly. It connects between the control lever and pump swashplate mechanism to maintain proper component spacing and tension.
Q: What happens if the 10274-C spring becomes weak or breaks?
A: A failed 10274-C spring causes loss of tension in the control linkage. The pump will not maintain proper displacement, resulting in sluggish lift, inability to hold loads, or the jack drifting down under load. Immediate replacement is required to restore safe operation.
Q: How long does the 10274-C spring typically last before replacement is needed?
A: The lifespan of the 10274-C depends on duty cycle intensity and maintenance. In normal warehouse service (8-10 hours daily), high-quality spring steel springs typically perform reliably for 3-5 years. Heavy-use environments may require replacement sooner. Replace if the jack shows drift, sluggish operation, or loose control feel.
Q: Is the 10274-C compatible with Big Joe equipment?
A: The 10274-C is manufactured for Lift-Rite (Big Joe) L-50 manual pallet jack units. No cross-references to other part numbers have been reported. Verify your equipment manufacturer and model designation before ordering to ensure compatibility.