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Author Topic:   Breaking loose saltwater propeller
alvispollard posted 03-31-2002 06:56 AM ET (US)   Profile for alvispollard   Send Email to alvispollard  
Is there anything that will break loose a saltwater frozen propeller? Mechanic says it will have to be broken off. If someone has successfully done this, what was used, how many applications, etc. Thanks for the advice.
Tight lines and safe boating.
Clark Roberts posted 03-31-2002 07:06 AM ET (US)     Profile for Clark Roberts  Send Email to Clark Roberts     
The prop can be removed from the splined hub by heating with torch and burning out the rubber cushion. Then a wheel puller can be attached to the remaining metal hub and hopefully the hub can be removed. I've never heard of "breaking" the blade assy off the hub but cutting/breaking should work! Even in fresh water the prop should be removed periodically to grease up the spline and to check for fishing line wrapped around prop shaft (fishing line can cut its way into the prop shaft seal and allow water intrusion into lower unit). It's a good idea to free up the thrust washer and apply grease. A prop frozen on the shaft is a real bummer! Happy Whalin'... Clark... Spruce Creek Navy
Bigshot posted 04-01-2002 10:12 AM ET (US)     Profile for Bigshot  Send Email to Bigshot     
You hit that with a torch and you won't need a puller. Do NOT stand in front of it. I have seen them fly 20+'.
CascoBob posted 04-01-2002 06:35 PM ET (US)     Profile for CascoBob  Send Email to CascoBob     
Has anyone successfully removed a frozen prop without destroying the rubber cushion? In other words, can you tap the blades with a hammer and piece of wood, or heat up the hub without toasting the rubber?
Bigshot posted 04-02-2002 10:41 AM ET (US)     Profile for Bigshot  Send Email to Bigshot     
Try it! All different levels of "stuck". To get it rehubbed is only $40.
dauntlass 18 posted 04-02-2002 06:49 PM ET (US)     Profile for dauntlass 18  Send Email to dauntlass 18     
Remove prop nut and lock retainer tilt motor up to let penetrating oil soak into spline in center of prop apply oil several times over a two day period.Borrow rent or buy a prop puller to remove prop.When you put prop back on be sure to grease spline shaft and prop hub.If you use heat you will probably damage shaft seal and water will seep into lower unit oil.
Bigshot posted 04-04-2002 10:33 AM ET (US)     Profile for Bigshot  Send Email to Bigshot     
Heat won't effect seal. The heat breaks loose the prop from the hub, not the hub from the shaft. The hub isolates the heat from the shaft, etc. Once the prop "flies" off the hub, you cut the hub with a dremel,etc.

This is done in extreme cases, usually a puller will do it. Don't bang the prop too hard becasue it will do damage to gears etc. Either use a puller or use BFH.

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