Product Description
Complete CR seal kit for manual pallet jack hydraulic pumps, compatible with standard pallet jack pump assemblies. Kit contains precision nitrile rubber seals engineered for ISO hydraulic fluid and up to 3500 PSI operating pressure, with Shore A 75 hardness and ±0.003'' dimensional tolerance.
Specifications
Hydraulic
| Pressure Rating | Suitable for hydraulic working pressures up to 3500 PSI |
| Fluid Compatibility | Compatible with ISO 32 and ISO 46 hydraulic fluid |
Material & Construction
| Seal Material | Nitrile rubber (NBR) primary sealing elements |
| Hardness Rating | Shore A 75 |
| Finish | Machined polymer seals with precision ground mating surfaces |
Part Numbers
| Manufacturer Part Number | 5001-1028 |
| OEM Part Number | 5001-1028 |
Frequently Asked Questions
Q: What hydraulic fluids are compatible with the 5001-1028 seal kit?
A: The 5001-1028 seal kit is engineered for ISO 32 and ISO 46 hydraulic fluids, which are the standard oils used in manual pallet jack pump systems. The nitrile rubber (NBR) seals have been validated for these fluid types and should not be used with synthetic or vegetable-based hydraulic fluids unless specifically approved by your equipment manufacturer.
Q: What pressure rating does the 5001-1028 support?
A: The 5001-1028 seal kit is rated for hydraulic operating pressures up to 3500 PSI. This rating covers standard manual pallet jack pump assemblies across Crown, Toyota, Raymond, Yale, and Hyster models. Operating pressures above this specification will degrade seal performance and cause leakage.
Q: What does the Shore A 75 hardness rating mean for the 5001-1028 seals?
A: Shore A 75 hardness indicates the nitrile rubber seals in the 5001-1028 kit provide medium durometer rigidity. This hardness level is optimized for compression resistance in hydraulic pump cylinders while maintaining flexibility for dynamic sealing. Higher hardness ratings would be too stiff for smooth operation in manual pump systems.
Q: What is the dimensional tolerance of the 5001-1028 seal kit components?
A: The 5001-1028 kit contains precision nitrile rubber seals manufactured to ±0.003 inch dimensional tolerance. This tight tolerance ensures proper fit within standard manual pallet jack hydraulic pump assemblies and minimizes leakage potential at operating pressures.
Q: Which pallet jack pump models use the 5001-1028 seal kit?
A: The 5001-1028 is a complete seal kit compatible with standard manual pallet jack hydraulic pump assemblies from Crown, Toyota, Raymond, Yale, Hyster, and similar OEM manufacturers. Verify your pump model number and pressure cylinder configuration match standard specifications before ordering.
Q: How long does the 5001-1028 seal kit last in service?
A: Under normal warehouse duty, the 5001-1028 seals typically perform for 2-4 years before requiring replacement. Lifespan depends on hydraulic fluid cleanliness, operating pressure cycles, and ambient temperature. Regular pump inspection for internal leakage signals when seals need replacement.