- 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.
Are Woodruff keys hardened?
Keys are non- hardened
and are easy to machine. Use for general purpose applications. Half-moon shaped keys lock pulleys and gears to transmission shafts. Woodruff keys go deep into the keyway shaft and become embeddedbut can still rock and adjust to an angular spine.
How do you remove a keyed pulley?
To tighten the screw at the end of the gear puller,
use the sockets wrench
. Continue until the pulley is free. You can try to loosen the pulley by hitting the exposed end with a hammer.
How do you drill a woodruff key?
When installing a woodruff key,
first press it into the semi‐circular groove milled into the shaft
. Next, align the top, flat portion of the key so that it is parallel with the host shaft. During installation, woodruff keys will sometimes slip out of their groove as the mating component is pressed on.
How do you get a stuck keyway out?
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
.
How do you remove a pulley without a puller?
There is a way to do it. You
put a wrench on the pulley bolt and block the
other end against the floor or the frame. Then you use the starter motor to turn the engine (DO NOT START IT, JUST TURN IT) for at most one or two revolutions of the crank. Just enough to break the bolt loose.
How do you remove an engine pulley?
There is a way to do it.
You put a wrench on the pulley bolt and block the other end against the floor or the frame
. Then you use the starter motor to turn the engine (DO NOT START IT, JUST TURN IT) for at most one or two revolutions of the crank. Just enough to break the bolt loose.
What are woodruff keys made of?
Woodruff keys are crafted in
carbon, alloy, and stainless steel
. Carbon and alloy steel are both durable, however they must be plated or coated to prevent corrosion. Stainless steel surpasses carbon and alloy steel in corrosion resistance, but it is not as strong.
Can key steel be hardened?
As a bright drawn steel bar it is
uncommon to harden
key steel. In its supply condition key steel has an approximate tensile strength of 500 to 700N/mm2. If heat treatment is a requirement, key steel can be heat treated by conventional methods and flame or induction hardening.
Which tool is used to remove the crankshaft pulley?
A half-inch drive impact gun
How much is a pulley puller?
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How do you remove a crankshaft pulley bolt without impact gun?
There is a way to do it.
You put a wrench on the pulley bolt and block the other end against the floor or the frame
. Then you use the starter motor to turn the engine (DO NOT START IT, JUST TURN IT) for at most one or two revolutions of the crank. Just enough to break the bolt loose.
Is crankshaft pulley bolt reverse thread?
The crank bolt
is not a reverse thread
.
Why is my crankshaft pulley wobbling?
If the fan-belt pulleys that bolt to the harmonic balancer are dismounted, bent, or distorted
, it may cause the crankshaft pulley to wobble. … Sometimes, some dirt may get trapped under the pulley. Furthermore, the crankshaft pulley tends to wobble if it isn’t appropriately torqued.
How do you remove a stubborn pulley bolt?
- Soak in Lubricant. Although the bolt sits on the side of the engine, you can use putty to create a sticky dish for your lubricant of choice. …
- Rent A Powerful Impact. …
- Try a Long Breaker Bar. …
- Bump the Starter. …
- Take It To A Shop.
Why is it called a Woodruff key?
A Woodruff key is
a finely machined metal piece used to connect a rotating device to a shaft
. … Woodruff was awarded the John Scott Medal by the Franklin Institute for the invention of what would forever be known as the “Woodruff key.”
