Product Description
The BI 12589390 is a direct replacement caster collar designed for Bishamon manual pallet jacks. This cylindrical spacer component maintains proper wheel alignment and lateral spacing of caster assemblies, ensuring smooth steering, even weight distribution, and extended wheel life. Essential for maintaining optimal pallet jack performance and preventing accelerated wear from wheel misalignment.
Frequently Asked Questions
Q: What is the BI 12589390?
A: The BI 12589390 is a caster collar component for Bishamon manual pallet jacks. This cylindrical spacer or bearing sleeve positions and supports caster wheel assemblies on the equipment frame, maintaining proper wheel alignment and bearing function.
Q: What is the purpose of a caster collar on a pallet jack?
A: The caster collar maintains the lateral spacing and alignment of caster wheels on the pallet jack base. Proper collar positioning ensures even weight distribution across wheels, smooth steering, and prevents binding or accelerated wheel wear from misalignment.
Q: How do I know if the BI 12589390 needs replacement?
A: Signs of collar wear or failure include uneven caster wheel wear, difficulty steering, wheels rubbing the frame, or loose wheel movement. If the collar is bent, cracked, or worn, replace it to restore proper caster alignment and wheel function.
Q: Is the caster collar a common wear item?
A: The caster collar is not typically a high-wear item if casters are functioning properly. However, in environments with rough floors, impacts, or heavy use, collars can experience wear or damage. Periodic inspection during caster maintenance is recommended.
