Product Description
Valu-Jack VJ 55F122 is a precision-machined spindle for the dampening valve assembly in manual pallet jack hydraulic units, specifically fitted to the Valu-Jack model 5500-2. Manufactured from hardened steel and finished for hydraulic application, this component ensures smooth and reliable valve operation within the hydraulic system. No cross-reference part numbers are published for this item.
Compatibility: Fits pallet jacks made by Valu-Jack, model 5500-2 Hydraulic Unit. Alternate model: 55002 Hydraulic Unit; 5500 2 Hydraulic Unit. SKU: VJ 55F122
Specifications
Dimensional Specifications
| Assembly Reference Diagram | Installed per Valu-Jack 5500-2 hydraulic unit exploded parts diagram |
Material & Construction
| Construction Material | Precision-machined hardened steel |
| Surface Finish | Turned and ground finish, suitable for hydraulic sealing |
Part Numbers
| Manufacturer Part Number | VJ 55F122 |
| OEM Part Number | VJ 55F122 |
| Model Compatibility | Valu-Jack 5500-2 Hydraulic Unit |
Frequently Asked Questions
Q: What is the VJ 55F122 spindle and where does it fit in a Valu-Jack hydraulic system?
A: The VJ 55F122 is a precision-machined spindle component that functions in the dampening valve assembly of Valu-Jack 5500-2 manual pallet jack hydraulic units. It is precision-machined from hardened steel and finished for hydraulic service, ensuring smooth and reliable valve operation within the hydraulic circuit.
Q: Which pallet jack models use the VJ 55F122 spindle?
A: The VJ 55F122 is designed for Valu-Jack 5500-2 manual pallet jack hydraulic units. Alternate model designations include 55002 and 5500 2. Verify your hydraulic unit model before ordering this precision component.
Q: What materials and finishes are used on the VJ 55F122?
A: The VJ 55F122 is manufactured from hardened steel using precision machining processes. The component features a turned and ground finish specifically designed for hydraulic sealing compatibility. This construction ensures durability under repeated pressure cycling and resistance to hydraulic fluid degradation.
Q: What symptoms indicate a VJ 55F122 spindle needs replacement?
A: Signs of spindle wear or damage include erratic lowering speed, hydraulic fluid leakage from the valve assembly, valve noise or chattering, or inability to control descent smoothly. Visible scoring or damage to the spindle surface indicates replacement is necessary to restore proper dampening valve function.
Q: Are there alternative part numbers or cross-references for the VJ 55F122?
A: The VJ 55F122 does not have published cross-reference or superseding part numbers. Use the exact SKU VJ 55F122 when ordering to ensure you receive the correct precision-machined spindle for your Valu-Jack 5500-2 dampening valve assembly.