Seal Kit for Manual Pallet Jack Hydraulic Units - Fits Blue Giant
40189
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Compatibility
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Product Description
Seal kit for manual pallet jack hydraulic units, OEM part number 40189, engineered by Liftsplus.com. Includes U-cup seal, wiper seal, O-ring, bushing, actuating pin, and thermoplastic spacer for compatibility with standard manual pallet jack hydraulic systems. Rated for 3000 PSI maximum working pressure and constructed from nitrile rubber and polyurethane. Ideal for restoring seal integrity in hydraulic cylinders and pumps.
Specifications
Part Numbers & Compatibility
| Make | Blue Giant |
| Part Number | 40189 |
Performance Specifications
| System Pressure Rating | 3000 PSI maximum working pressure |
Additional Specifications
| Seal Material | Nitrile rubber (NBR), polyurethane |
Frequently Asked Questions
Q: What makes and models is the 40189 compatible with?
A: The 40189 is compatible with standard manual pallet jack hydraulic systems from major manufacturers including crown, toyota, raymond, yale, and similar brands. Verify your equipment uses a similar pump and cylinder configuration before ordering.
Q: What materials are used in the 40189 seal kit?
A: The 40189 contains nitrile rubber (nbr) seals combined with polyurethane components. This material combination provides hydraulic fluid resistance and durability across temperature and pressure cycles typical in manual pallet jack service.
Q: What components are included in the 40189 kit?
A: This complete kit includes u-cup seal, wiper seal, o-ring, bushing, actuating pin, and thermoplastic spacer. These components restore full sealing integrity in both the hydraulic pump and lift cylinder.
Q: What is a u-cup seal and why is it in this kit?
A: A u-cup seal is a dynamic seal shaped like a u that prevents hydraulic fluid from bypassing the piston in the cylinder. It is essential in pallet jack lift cylinders because it maintains pressure as the ram extends and retracts thousands of times.
Q: How do I know if the 40189 is right for my equipment?
A: The 40189 is designed for standard manual pallet jack hydraulic systems. Verify your equipment uses a similar pump and cylinder configuration before ordering.