401358

Frequently Asked Questions

Q: What components are included in the 401358 seal kit?
A: The 401358 seal kit contains polyurethane and nitrile elastomer seals, wiper seals, u-cups, O-rings, plastic spacers, steel bushings, and actuating and release pins. This complete assembly is designed for manual pallet jack hydraulic pump and ram service.

Q: Which manual pallet jack models does the 401358 seal kit fit?
A: The 401358 is engineered to meet OEM specifications for hydraulic pumps and cylinders on standard manual pallet jacks from Crown, Toyota, Raymond, Yale, Hyster, and similar brands. Verify your equipment model to confirm compatibility.

Q: What material hardness do the seals in the 401358 kit have?
A: The 401358 kit contains polyurethane seals rated at 90A Shore hardness and nitrile seals rated at 70A Shore hardness. These hardness ratings provide effective sealing and durability in typical hydraulic pump and ram applications.

Q: Can the 401358 seal kit be used for preventive maintenance?
A: Yes, the 401358 is suitable for both preventive maintenance and corrective maintenance on manual pallet jack hydraulic units. Use it during scheduled servicing to replace worn or degraded seals before system failure occurs.

Q: What are the failure symptoms that require the 401358 seal kit replacement?
A: Replace seals using the 401358 kit when you observe hydraulic fluid leaks from the pump or ram, sluggish lifting, loss of pressure hold, or visible deterioration of existing seals. These symptoms indicate worn or damaged seals requiring immediate replacement.

Q: Does the 401358 kit include all necessary components for a complete seal service?
A: The 401358 is a comprehensive seal kit engineered to provide main ram and cylinder service with all required elastomer seals, spacers, and bushings. Verify that your specific pump or cylinder model requires all included components before assembly.