Product Description
Proportional Valve, Auxiliary Direction (SOL5T & 5B) DC Lift
Frequently Asked Questions
Q: What is the RA 1020607/001 proportional valve used for?
A: The RA 1020607/001 is a proportional directional valve for auxiliary hydraulic functions on Raymond DC lift trucks. It controls auxiliary reach and extension movements for SOL5T and SOL5B control systems on electric models.
Q: Which Raymond lift truck models use this proportional valve?
A: This valve is designed for Raymond electric lift trucks equipped with SOL5T or SOL5B auxiliary control systems. Verify your truck model and control system designation before ordering to ensure compatibility.
Q: What causes a proportional valve to lose control responsiveness?
A: Common failure symptoms include sluggish auxiliary function response, erratic reach motion, or complete loss of auxiliary control. Causes include spool stiction from hydraulic fluid contamination, solenoid coil failure, or internal seal degradation. Fluid analysis and solenoid testing can confirm the failure source.
Q: Can the RA 1020607/001 be cross-referenced with other brands?
A: This is a Raymond OEM part. While proportional directional valves exist across Crown, Toyota, and other lift truck brands, the RA 1020607/001 is specific to Raymond DC systems. Do not assume interchangeability without verifying spool design, port configuration, and voltage rating.