Product Description
The 4490220-16 is a premium lockwasher designed for secure fastening in manual pallet jacks and lift trucks. This direct replacement prevents fastener loosening caused by vibration and operational shock, maintaining reliable connections in handle, frame, and steering linkage assemblies. Compatible with equipment from leading manufacturers including Crown, Toyota, Raymond, and Yale. Ideal for maintenance and repair applications requiring proven vibration resistance and durable fastener retention.
Frequently Asked Questions
Q: What equipment types does the 4490220-16 lockwasher fit?
A: The 4490220-16 lockwasher is compatible with manual pallet jacks from major brands including Crown, Toyota, Raymond, and Yale. Verify your jack model and fastener size before ordering.
Q: What does a lockwasher do in a pallet jack assembly?
A: The 4490220-16 lockwasher prevents fastener loosening caused by vibration and shock during pallet jack operation. It maintains secure connections in handle, frame, and steering linkage assemblies.
Q: How does the 4490220-16 lockwasher compare to standard washers?
A: Unlike flat washers, lockwashers have teeth or spring features that grip the bolt and mating surface, resisting movement. This prevents fasteners from backing out during equipment operation.
Q: When should the 4490220-16 lockwasher be replaced?
A: Replace the 4490220-16 if fasteners repeatedly loosen or if the washer teeth show flattening and wear. Standard replacement intervals depend on usage frequency but inspection during routine maintenance is recommended.