Product Description
Key-Woodruff
Frequently Asked Questions
Q: What does the CR 42051-1 key do in a lift truck assembly?
A: The CR 42051-1 is a Woodruff key used in Crown electric lift trucks. It prevents rotational slipping between a shaft and mounted components such as sprockets, wheels, or pulleys, ensuring positive drive transfer during acceleration and load handling.
Q: What is the difference between CR 42051-1 and CR 42051-001?
A: Both CR 42051-1 and CR 42051-001 are Woodruff keys for Crown lift trucks. The numeric suffix variation may indicate different production dates or lot codes, but both serve the same function. Verify physical dimensions against your equipment to confirm compatibility.
Q: What material is the CR 42051-1 key made from?
A: Woodruff keys for Crown lift trucks are manufactured from alloy steel to withstand torsional stress and shock loads during drive and deceleration. Steel keys provide superior durability compared to softer materials.
Q: How often should the CR 42051-1 key be inspected?
A: Inspect the Woodruff key during routine maintenance checks. If a wheel or sprocket begins to slip on the shaft, if rattling occurs, or during mast and drivetrain service, verify the key is present and undamaged. Lost or sheared keys require immediate replacement.
