Product Description
The Dayton WW 97-156 Lift Ram Seal Kit is a direct replacement hydraulic seal kit designed for the primary lift cylinder in Dayton 4YX97 manual pallet jacks. This complete seal kit features high-resilience nitrile rubber main seals paired with PTFE backup rings, engineered to restore full hydraulic sealing capability and maintain performance in heavy-duty hand pallet jack applications operating up to 3000 PSI.
Specifications
Part Numbers & Compatibility
| Make | Dayton |
| Model | 4YX97 |
| Manufacturer Part Number | WW 97-156 |
| Original Equipment Part Number | 97-156 |
| Cross-Reference Part Numbers | Equivalent to Dayton 97-156, compatible with 4YX97 hand pallet jack |
| Cross Reference Part Numbers | Equivalent to Dayton 97-156, compatible with 4YX97 hand pallet jack |
Additional Specifications
| Seal Material | Nitrile rubber (NBR) with polyester or PTFE backup rings |
| Maximum Working Pressure | 3000 PSI |
| Leakage Rate | <0.5 cc/min at 3000 PSI, laboratory tested |
| Seal Hardness | 70 Shore A nominal (NBR seals) |
Frequently Asked Questions
Q: What models is the WW 97-156 compatible with?
A: The WW 97-156 is a direct replacement seal kit for Dayton 4YX97 manual pallet jacks. It restores full hydraulic sealing capability in the primary lift cylinder.
Q: What materials are used in the WW 97-156 seals?
A: The seals are manufactured from nitrile rubber (nbr) main elements with polyester or ptfе backup rings. These materials provide excellent resistance to standard hydraulic oils and typical operating temperatures in material handling equipment.
Q: How do I know when to replace the WW 97-156 seals?
A: Replace the seals if the jack loses load and drifts down under static load, oil seeps from the cylinder rod, external oil puddles appear below the jack, or pressure cannot be maintained during load testing. These symptoms indicate seal failure.
Q: What are the benefits of using the WW 97-156 seal kit?
A: The WW 97-156 is designed to restore full hydraulic sealing capability and maintain performance in heavy-duty hand pallet jack applications. It ensures reliable operation and extends the life of the lift cylinder.
Q: Can the WW 97-156 be used as a replacement part?
A: Yes, the WW 97-156 is a replacement seal kit for Dayton 4YX97 manual pallet jacks. It provides an effective solution for restoring hydraulic sealing and maintaining optimal performance.