Output shaft key

10 years 10 months ago #493 by s.farrar1
Output shaft key was created by s.farrar1
I just replaced the pump on my husky HU80722 and lost the Output Shaft a Key. What is its purpose and is it critical for the machine to run properly? Thanks

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10 years 10 months ago #494 by MTR-Admin
Replied by MTR-Admin on topic Output shaft key
Thanks for the post!

The Output Shaft Key is necessary, yes.

Here is a basic definition:

The channel, or keyway, provides a place for the key to lock a pulley or sprocket onto the round bar (in this case the engine shaft). The square key fits in both the keyway and a square slot machined into the sprocket or gear. By fitting securely between the round bar and the gear, the key creates a sturdy connection in the assembly. Many components utilize a keyway to produce a slip-proof method of attaching rotating parts. Axles, crank shafts and drive shafts all use a keyway to hold other components in place as they spin and provide power to drive other mechanisms.

Hope this helps.

- MTR

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