Product Description
LOCKWASHER
Frequently Asked Questions
Q: What manual pallet jack assemblies does the 3056757 lockwasher fit?
A: The 3056757 lockwasher is a fastening component used throughout manual pallet jack assemblies including load wheel axles, pump cylinders, tilt linkages, and handle pivots across Crown, Toyota, Yale, Jungheinrich, and Clark models. It prevents fastener loosening under vibration and cyclic loading. Verify the bolt diameter and application type on your jack before ordering.
Q: What is the bolt diameter and material of the 3056757 lockwasher?
A: The 3056757 is a split-ring or toothed lockwasher manufactured from hardened steel with corrosion-resistant plating. The exact hole diameter corresponds to standard metric or imperial bolt sizes commonly used in manual pallet jacks, typically M8, M10, M12, or equivalent inch sizes. Contact us with your jack model for the correct diameter specification.
Q: How does the 3056757 lockwasher prevent bolt loosening?
A: The 3056757 lockwasher features either split-ring or external-tooth design that grips into the bolt head and washer surface, creating friction and mechanical resistance to rotation. This prevents fasteners from loosening under vibration typical in pallet jack load wheel and pump applications. The washer does not require periodic tightening if installed correctly.
Q: What is the lifespan of the 3056757 lockwasher?
A: The 3056757 lockwasher provides indefinite locking performance if the fastener is properly torqued during assembly. In high-vibration applications such as load wheel axles, the washer may flatten or lose grip after 2 to 3 years and should be inspected annually. Replace lockwashers whenever bolts are removed or fastener loosening is detected during maintenance.
Q: Can the 3056757 be reused after removal?
A: The 3056757 lockwasher is a single-use component. Once removed, the tooth or split design is deformed and cannot provide effective locking action if reinstalled. Always use new lockwashers when reassembling fasteners. Reusing worn lockwashers on critical load wheel and pump fasteners can result in loose bolts and equipment failure.
Q: What are equivalent lockwashers for the 3056757?
A: The 3056757 is a direct replacement for equivalent lockwashers across Crown, Toyota, Yale, and Jungheinrich manual pallet jacks. Standard split-ring and external-tooth lockwashers are interchangeable if the diameter matches. We maintain cross-reference data for OEM part numbers. Provide your jack model and fastener diameter for exact compatibility confirmation.