How to fix a spun prop

I enlarged the prop holes using a 7 bit then threaded these with a 14 X 20 tap. The solution is as simple as the sea is salt.

Repair spun prop or buy new.

How to fix a spun prop. Mark the front of the propeller and the propeller hub directly across from each other with a permanent marker. Run the propeller for about two minutes and then shut it off. Inspect the two marks to see if they are still lined up across from each other.

If not then the hub is spun inside the propeller. How to Fix a Spun Propeller. Inspect the propeller first to determine if the hub has spun inside the propeller.

Pull the cone off the front of the propeller using the pliers. Loosen and remove the lock nut from the propeller shaft by turning it counter-clockwise with a ratchet extension and a socket. Pull the propeller straight off the shaft.

How To Replace A Spun Hub On A Boat Prop - YouTube. How to Fix a Spun Propeller. Inspect the propeller first to determine if the hub has spun inside the propeller.

Pull the cone off the front of the propeller using the pliers. Loosen and remove the lock nut from the propeller shaft by turning it counter-clockwise with a ratchet extension and a socket. Pull the propeller straight off the shaft.

The solution is as simple as the sea is salt. Depending on its size a propeller can be reconditioned for as little as 30 to 100 dollars. Bent blades cost extra.

How Can You Tell The Propeller Hub Is Spun. So how do you know definitively that the propeller hub is spun. Begin by removing the propeller and examining it.

Repair spun prop or buy new. I see you here all the time go over to the Prop section and do a little cruising around and figure out what you needwant then get over to the Ebay and hit up Craigs List. I bought my last SS prop for 115 off CL.

To confirm the replacement need take off the prop and inspect for burnt or frayed rubber in it. Now take a permanent marker and draw a line on the inside end over the inner and outer side. After that securely set the prop back again and run the propeller for 2 to 3 minutes at high RPM.

You can detect a spun hub just by looking for circular scratches on the portion of the hub that bears against the thrust washer. The splines on the shaft keep the thrust washer from slipping so if the propeller has a spun hub it will become scratched as it rotates in relation to the thrust washer. To tell if your hub has spun mark a line on the back of the prop hub with lipstick.

You can also score your mark using a file. With the mark in place over the inner and outer hub its a simple matter to pull the prop and see if the mark has broken in two. If it has you have spun a hub.

If you are not sure if your hub is spun there is an easy way to test. Take a center punch and a hammer and put a punch mark on the hub and on the prop so they line up. Then you can take the boat out and run it as you usually would.

When you look at the prop if the punches do not line up. Fixing a spun propeller will require the assistance of a boat propeller repair shop to press the old hub out of the propeller and the new hub into the propeller. Inspect the propeller first to determine if the hub has spun inside the propeller.

1st - A spun hub inside of the propeller. Sometimes the hub will slip inside of the propeller at higher rpms. The quickest way to check a bad hub is to try another propeller to see if it slips at the same rpms or you can try putting a dab of paint on the hub and a dab on the prop and try it to see if the 2 marks still lineup after a trial run.

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Hitting something with the prop will do it too. Its like a shear pin made to spin before you damage your prop shaft or lower unit. Like Robby said high torque and hitting objects are the usual suspects.

However there are times when the exhaust runs too hot and overheats the hub. The hub is a piece of plastic designed to break if you hit something with your propits a safety feature so that none of the more expensive parts break. The good news is that its much easier to fix than you might think and in this video weve got Capt.

I kept the spun rubber hub in the prop before drilling the pilot holes and drilled the pilot bit into the rubber but stopped short of the brass sleeve. This would allow the larger set screws to seat firmly within the rubber hub. I enlarged the prop holes using a 7 bit then threaded these with a 14 X 20 tap.

How to Check for a Spun Prop Hub. Diagnose if your engine had a spun propeller hub. Do not press the hub into the propeller with the prop sitting on the diffuser ring or blade tips.

Once the hub is installed do not use the propeller for twenty four hours. All hub replacement should be done at the customers risk. Breakage of the propeller can occur and.

Make a mark or check the alignment of the prop to the nut or pin take a photo as well for reference. The go out and get it to spin as you experienced. Then come back and see if the marks still line up or if they have moved.

Is there any way to tell if prop spun on hub Thanks for the helpI put the prop back onput it in forward gear rotated prop clock wise would not engage just kept makeing clicking noiseTried counter clockwise hard to turn engagedPut in reverse hard. Holding the first wrench firmly to prevent the entire blade edge from bending slowly apply pressure to the wrench on the ding. You should be able to work most if not all of the unfairness out of the blade edge.

The edge of a propellers blade gets burred.