EC PAL-P73-22006

Frequently Asked Questions

Q: What is the EC PAL-P73-22006 back valve spring?
A: The EC PAL-P73-22006 is a compression spring that provides return force in the lowering valve assembly of Ecoa model 6600 pallet jacks. It maintains valve sealing pressure and controls descent rate during load lowering.

Q: Is the EC PAL-P73-22006 compatible with all Ecoa pallet jacks?
A: The EC PAL-P73-22006 back valve spring is specifically designed for Ecoa model 6600 pallet jacks. Do not substitute springs from other models as spring rate and dimensions are application-specific.

Q: What material is this valve spring made from?
A: The back valve spring is manufactured from tempered alloy steel with a controlled spring rate. This material resists fatigue cracking from millions of compression cycles and maintains consistent pressure under operating loads.

Q: How often does the valve spring require replacement?
A: Replace the spring if the pallet jack exhibits uncontrolled descent, slow lowering, failure to hold load, or if the spring appears cracked or deformed. Spring fatigue accumulates over years of use and cannot be repaired.

Q: What are the spring rate and free length specifications?
A: Contact us directly with your equipment for exact spring rate in pounds per inch and free length measurement. Incorrect spring specifications will cause improper valve function and unsafe load control.