Product Description
Dayton WW 97-158 Pump Piston Seal Kit is an OEM replacement hydraulic piston sealing solution for manual pallet jack pump assemblies, compatible with Dayton models such as 4YX97 and their equivalents. The kit includes polyurethane and buna-n seals for restoration of hydraulic pressure integrity in the pump plunger, supporting system pressures up to 3000 PSI and compatible with standard ISO hydraulic oils.
Specifications
Part Numbers & Compatibility
| Make | Dayton |
| Model | 4YX97 |
| Interchange Information | Kit equivalent to aftermarket replacements labeled as WW 97-158, 97-158, and Grainger 4YX97 |
| Part Number | WW 97-158 |
| Manufacturer Part Number | 97-158 |
| Cross-Reference Part Numbers | Compatible Grainger Part Number: 4YX97; also referenced as Dayton 97-158 |
| Equivalent Part Number | Dayton 97-158; referenced as Plunger Seal Kit for Dayton Pallet Jacks |
| Cross Reference Part Numbers | Compatible Grainger Part Number: 4YX97; also referenced as Dayton 97-158 |
| Oil Compatibility | Compatible with standard ISO hydraulic oils |
Additional Specifications
| Seal Hardness | 70 Shore A nominal hardness (buna-n) |
| Applicable Model | Fits Dayton manual pallet jack models, including model 4YX97 |
| Hydraulic Pressure Support | Supports system pressures up to 3000 PSI |
| Seal Material | Includes polyurethane and buna-n seals |
Frequently Asked Questions
Q: What models is the WW 97-158 compatible with?
A: The WW 97-158 is compatible with Dayton manual pallet jacks including the 4YX97 series and equivalent models.
Q: What materials are used in the WW 97-158 seal kit?
A: The kit includes polyurethane and buna-n seals that provide excellent resistance to standard iso hydraulic oils and typical operating conditions.
Q: How do I know if the WW 97-158 needs to be replaced?
A: Signs that the WW 97-158 may need replacement include excessive pump strokes to build pressure, a soft or spongy pump handle, oil seepage from the pump body, or pressure that cannot be maintained.
Q: What are the benefits of using replacement parts like the WW 97-158?
A: Replacement parts such as the WW 97-158 help restore hydraulic pressure integrity, ensuring optimal performance and extending the life of manual pallet jack pump assemblies.
Q: Are there any specific maintenance tips for the WW 97-158?
A: Regularly inspect the pump assembly for signs of wear or leakage. Replace the WW 97-158 when pressure loss occurs or visible leakage appears to maintain efficient operation.