Product Description
Spring component (OEM Part Number: PU AA-31) designed for Pallet Mule AA5000 and AA5500 manual pallet jack hydraulic units. This helical compression spring is engineered for reliable operation within the lift and lowering mechanism.
Compatibility: Fits pallet jacks made by Pallet Mule, model AA5000. SKU: PU AA-31
Specifications
Part Numbers
| OEM Part Number | PU AA-31 |
| Compatible Models | Pallet Mule AA5000, Pallet Mule AA5500 |
Frequently Asked Questions
Q: What is the PU AA-31 spring component and where is it used?
A: The PU AA-31 is a helical compression spring designed for Pallet Mule manual pallet jack hydraulic units. It is engineered for reliable operation within the lift and lowering mechanism of the AA5000 and AA5500 models.
Q: Which pallet jack models require the PU AA-31 spring component?
A: The PU AA-31 is compatible with Pallet Mule model AA5000 and AA5500 manual pallet jacks. These models share the same hydraulic system design and spring specifications. Confirm your model number before ordering.
Q: What type of spring is the PU AA-31?
A: The PU AA-31 is a helical compression spring, meaning it is a coil spring that compresses under load and returns to its original length when the load is removed. This design provides consistent pressure and control in the hydraulic lift mechanism.
Q: What symptoms indicate the PU AA-31 spring needs replacement?
A: Replace the PU AA-31 if the pallet jack does not lower smoothly, loses pressure between lift cycles, or if the handle feels soft or unresponsive. A weak or damaged compression spring cannot maintain hydraulic pressure and reduces lift performance.
Q: Is the PU AA-31 available as a cross-reference to OEM part number AA-31?
A: Yes, the PU AA-31 is the direct equivalent of OEM part number AA-31. This replacement spring is engineered to match original Pallet Mule specifications for AA5000 and AA5500 hydraulic units.
