How do you get a stuck Woodruff key out?
How do you get a stuck Woodruff key out?
Remove the Woodruff key.
- Try tapping down on one end of the key with a hammer and nail.
- Rapidly heating the key with a blowtorch and letting it cool can help loosen it.
- Remember that these keys are cheap and readily available online or at hardware and auto part stores, so causing damage to it may be necessary.
How do you remove a seized keyway?
Turn the key so that the keyway slot is in the exact position it was in when you inserted the key; this is the correct position for the pin tumblers to align in the cylinder. With your other hand, use the tip of your finger to push firmly on the face of the plug next to the key. Gently twist and pull the key out.
Why does my flywheel key keeps shearing?
Another cause of a sheared key on a lawnmower is a loose blade. A flywheel that was not tightened sufficiently, or one that has become loose over time can shear the key. A flywheel that is not properly seated on the crankshaft taper will not hold tight. The crankshaft and the flywheel must be free of dirt and grease.
How do you remove a Woodruff pulley key?
Remove the Woodruff key. On the freed pulley, locate the semicircular shape in the shaft. This is the key and it can be removed by gripping the sides with pliers or wedging one end with a screwdriver. The key may be stuck.
How is the Woodruff key installed in the shaft?
The key is first pressed into a curved slot milled in the shaft and then aligned so that its flat top is parallel with the shaft. But as the shaft and Woodruff key are pressed into the component, the key tends to slip out of position. Keys not installed parallel will cause problems in use.
What’s the best way to remove a wood key?
Use a soft-faced hammer to avoid damaging the components. If you use a normal hammer, hold a wood block against the fastener and shaft. Tap the pulley shaft with the hammer. Don’t use too much pressure. For steel hammers, insulate the shaft, nut, and bolt before striking.
What causes a woodruff key to slip out of place?
But as the shaft and Woodruff key are pressed into the component, the key tends to slip out of position. Keys not installed parallel will cause problems in use. Woodruff keys are also relatively short and cannot carry the same load as longer keys.
Remove the Woodruff key. On the freed pulley, locate the semicircular shape in the shaft. This is the key and it can be removed by gripping the sides with pliers or wedging one end with a screwdriver. The key may be stuck.
Where is the Woodruff key on a lawn mower?
Learn more… A woodruff key is installed in the hub of a pulley or gear so that the pulley or gear does not slip off the shaft it is attached to or spin freely. These keys are found in motorized devices such as lawn mowers, motorcycles, and cars and are held in place by a threaded fastener.
Use a soft-faced hammer to avoid damaging the components. If you use a normal hammer, hold a wood block against the fastener and shaft. Tap the pulley shaft with the hammer. Don’t use too much pressure. For steel hammers, insulate the shaft, nut, and bolt before striking.
What’s the best way to remove a car key?
You can try tapping a nail on one end of the key, drilling into the center of the key and removing it with a nail, or even heating the key up with a blowtorch and letting it cool repeatedly to loosen it. Remember that damaging the key is a far better alternative than damaging the shaft or other part around the key. Select the right size.
