Product Description
Roll pin
Frequently Asked Questions
Q: What is the function of roll pin 00591-27564-81 in fork lift assemblies?
A: Part 00591-27564-81 is a roll pin used in fork lift mechanical assemblies to retain or position critical components such as load wheel shafts, steering linkages, or pump drive mechanisms. Roll pins provide a removable joint that can be serviced without fastener tools. This pin is manufactured to OEM specifications for compatibility with standard fork lift brands including Toyota, Crown, Raymond, Yale, and Hyster.
Q: What are the material and dimensional specifications for this roll pin?
A: Part 00591-27564-81 is manufactured from spring steel, offering durability and resistance to vibration-induced loosening. The pin diameter and length are precision-machined to OEM standards. Spring steel material provides both rigidity for load support and slight resilience to maintain a secure fit. Before installing, verify that the hole diameter in your equipment exactly matches the pin diameter and that axial clearance permits full seating.
Q: How is this roll pin properly installed and removed during maintenance?
A: To install part 00591-27564-81, align the drilled holes in the components being joined and carefully insert the pin. Do not force the pin; gentle pressure should seat it fully in the holes. For removal, use a roll pin punch or drift sized to match the pin diameter and drive the pin straight out with even hammer blows. Never attempt to re-use the removed pin. Always install a new part 00591-27564-81 to ensure load security and component retention.
Q: What inspection procedures identify when this roll pin requires replacement?
A: During preventive maintenance inspections, check the roll pin for visible bending, corrosion, spalling, or partial ejection from the holes. Listen for rattling or loose movement in the assembly, which indicates pin migration. If corrosion discolors the pin surface or reduces its diameter, replace it immediately. A bent or fractured pin compromises the joint and creates safety risk. Do not attempt to straighten or repair a damaged roll pin.
Q: How does environmental exposure affect the durability of roll pin 00591-27564-81?
A: Spring steel roll pins offer moderate corrosion resistance in standard warehouse environments. However, in cold storage, outdoor exposure, or high-humidity conditions, surface oxidation can develop over time and weaken the pin structure. Equipment operated in corrosive environments should have roll pins inspected more frequently. If corrosion significantly reduces the pin diameter or causes pitting, replace the pin even if it has not failed. Routine replacement intervals depend on operating environment and usage intensity.
