Product Description
Hydraulic seal kit for manual pallet jack hydraulic pump repair. Compatible with Crown PTH50 manual pallet jacks. Direct replacement for OEM part numbers 800075632, Crown 44648, and Crown 819934. Seal materials are Nitrile (NBR) and Polyurethane (PU) for application in 3000 PSI systems and common ISO 6743 hydraulic fluids.
Specifications
Hydraulic Function
| Primary Function | Restores hydraulic pressure retention in piston and rod assembly |
| System Pressure Rating | 3000 PSI |
| Intended Fluid Compatibility | Mineral hydraulic oil ISO VG 32–46 |
Material Composition
| Seal Material Specification | Nitrile rubber (NBR) and polyurethane (PU); compatible with ISO 6743 hydraulic fluids |
| Nitrile Seal Hardness | Shore A 70±5 |
Part Identification
| Part Number | 800075632 |
| Compatible Equipment | Crown PTH50 manual pallet jack |
| Cross-Reference Part Numbers | Direct replacement for Crown 44648, Crown 819934 |
Frequently Asked Questions
Q: What equipment does the 800075632 hydraulic seal kit fit?
A: SKU 800075632 is a hydraulic seal kit specifically for Crown PTH50 manual pallet jacks. It is a direct replacement for OEM part numbers 800075632, Crown 44648, and Crown 819934. Do not use on other pallet jack brands or models without confirming seal dimensions and pressure ratings.
Q: What materials are used in the 800075632 seal kit?
A: The 800075632 kit uses Nitrile (NBR) and Polyurethane (PU) seal materials rated for 3000 PSI hydraulic systems. These materials are compatible with common ISO 6743 hydraulic fluids. Confirm your system pressure and fluid type before ordering to ensure chemical compatibility.
Q: What symptoms indicate the 800075632 seal kit is needed?
A: Replace seals when the pallet jack loses lifting pressure, leaks hydraulic fluid from the pump or cylinder, fails to hold load at height, or produces weak lift force. These indicate worn or damaged piston and rod seals requiring the 800075632 kit.
Q: How long does the 800075632 seal kit last?
A: Hydraulic seal lifespan varies with duty cycle, fluid cleanliness, and storage conditions. Seals typically last 2-5 years under normal warehouse use. Contaminated hydraulic fluid, extreme temperatures, or continuous heavy use accelerate seal degradation.