Complete Crown Seal Kit for Manual Pallet Jack Pumps
5001-1028
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Compatibility
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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
Part Numbers & Compatibility
| Make | Crown |
| Fluid Compatibility | Compatible with ISO 32 and ISO 46 hydraulic fluid |
| Manufacturer Part Number | 5001-1028 |
| Part Number | 5001-1028 |
Wheel Dimensions
| Dimensional Tolerance | ±0.003'' |
Performance Specifications
| Pressure Rating | Suitable for hydraulic working pressures up to 3500 PSI |
| Hardness Rating | Shore A 75 |
Additional Specifications
| Seal Material | Nitrile rubber (NBR) primary sealing elements |
| Finish | Machined polymer seals with precision ground mating surfaces |
Frequently Asked Questions
Q: Which makes and models is the 5001-1028 seal kit compatible with?
A: The 5001-1028 seal kit is compatible with standard manual pallet jack hydraulic pump assemblies from Crown, Toyota, Raymond, Yale, Hyster, and similar manufacturers. Verify your pump model number and pressure cylinder configuration match standard specifications before ordering.
Q: What materials are used in the 5001-1028 seal kit and how durable are they?
A: The 5001-1028 seal kit features nitrile rubber (NBR) seals with a Shore A 75 hardness rating. This material combination provides medium durometer rigidity, optimized for compression resistance in hydraulic pump cylinders while maintaining flexibility for dynamic sealing. The seals are designed for long-term durability under standard operating conditions.
Q: How do I know when to replace the 5001-1028 seal kit?
A: Replace the 5001-1028 seal kit when you notice internal leakage or reduced hydraulic performance. Regular inspection of the pump system is recommended to identify signs of wear and ensure optimal operation.
Q: What hydraulic fluids are recommended for use with the 5001-1028 seal kit?
A: The 5001-1028 seal kit is engineered for use with ISO 32 and ISO 46 hydraulic fluids, which are standard oils used in manual pallet jack pump systems. 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 operating pressure rating does the 5001-1028 seal kit 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 from various manufacturers. Operating pressures above this specification may degrade seal performance and cause leakage.
Q: What is the expected service life of the 5001-1028 seal kit?
A: Under normal warehouse duty, the 5001-1028 seal kit typically performs 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.