Product Description
Piston
Frequently Asked Questions
Q: What is the VL 244 piston and what does it do?
A: The VL 244 is the primary hydraulic component inside the lift cylinder that converts hand pump pressure into vertical load movement. It seals hydraulic fluid inside the cylinder and is compatible with most manual pallet jacks from Crown, Toyota, Raymond, Yale, and Hyster.
Q: What material and finish does the VL 244 piston have?
A: The VL 244 piston is precision-machined from hardened alloy steel with a polished chrome or nickel-plated surface. The plating resists wear from repeated contact with the cylinder wall and protects against corrosion from hydraulic fluid and moisture.
Q: What happens when the VL 244 piston wears out or loses its seal?
A: A worn VL 244 piston causes hydraulic fluid to leak past the seal rings, resulting in loss of lifting pressure. Symptoms include slow load raising, inability to reach full height, or complete loss of lift capacity. The jack will not hold a load and oil will pool beneath the cylinder.
Q: How long does the VL 244 piston typically last?
A: The VL 244 piston lasts 4 to 7 years with proper maintenance. Lifespan depends on hydraulic fluid cleanliness, seal ring condition, and load consistency. Contaminated or degraded hydraulic fluid accelerates wear and seal failure.
Q: Can piston wear be prevented through maintenance?
A: Yes. Regular hydraulic fluid changes and cylinder inspection reduce piston wear. Keep the fluid clean and at the correct viscosity grade. Inspect the cylinder rod for pitting or corrosion, which can damage the piston seals during operation.
Q: Is the VL 244 piston the same across different pallet jack brands?
A: No. Piston dimensions and seal configurations vary between manufacturers. The VL 244 is designed for specific pallet jack models and lift capacity ranges. Verify cylinder bore diameter and rod diameter match before ordering.
