Check Valve for Raymond 7400, 7420, 7440
RA 520-337/004
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Compatibility
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Product Description
Check Valve (CV2) DC Lift
Specifications
Part Numbers & Compatibility
| Make | Raymond |
| Model | 7400, 7420, 7440 |
Additional Specifications
| SKU | RA 520-337/004 |
Frequently Asked Questions
Q: What is the RA 520-337/004 check valve used for?
A: The RA 520-337/004 is a check valve for DC lift systems in Raymond electric lift trucks. It prevents backflow of hydraulic fluid in one-way circuits and maintains pressure in lift and lowering systems.
Q: Which Raymond lift truck models is the RA 520-337/004 compatible with?
A: This check valve is compatible with Raymond 7400, 7420, and 7440 models. Verify your equipment controls and hydraulic schematic to confirm compatibility.
Q: What are the material and durability features of the RA 520-337/004?
A: The RA 520-337/004 is constructed from durable materials designed for long-term use in hydraulic systems. It is built to withstand the operational demands of electric lift trucks.
Q: What are failure symptoms for the RA 520-337/004?
A: Symptoms of check valve failure include: slow or jerky lift operation, inability to hold load height, excessive pressure in one direction, or hissing sounds from the valve area. These indicate the valve ball or seat is damaged or stuck.
Q: How do I replace the RA 520-337/004?
A: To replace the RA 520-337/004, ensure the hydraulic system is depressurized and follow the manufacturer's guidelines for valve removal and installation. Always use a replacement part that is compatible with your equipment.