Vibration
Printed From: CorrectCraftFan.com
Category: Repairs and Maintenance
Forum Name: Boat Maintenance
Forum Discription: Discuss maintenance of your Correct Craft
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=2249
Printed Date: May-09-2024 at 10:00pm
Topic: Vibration
Posted By: Guests
Subject: Vibration
Date Posted: August-15-2005 at 4:34am
| I hit something submerged. Did not seem to be a very hard hit. After I noticed vibration. How do I narrow down what is causing the vibration? I noticed nothing wrong with shaft, prop, or brace. |
Replies:
Posted By: skyhawkflyer
Date Posted: August-15-2005 at 11:06am
|
Talking from experience, you may not be able to see anything wrong.
I had a similar situation with my 87 S/N. I taped a pencil to a block of wood and secured it to my trailer cradle, using the pointed end of the pencil as a reference for my prop shaft(the end with the nut on it). As I rotated the prop I could see the very end of the shaft wobbling. The shaft has a tapered end so it's easy to bend the trailing end of it. The wobbling shaft set up a vibration that made my entire dash buzz. Good luck!  ------------- |
Posted By: jameski
Date Posted: August-15-2005 at 11:39am
|
If you hit something soft, but dense (like a rotten log) then you might not see a "ding" on your prop, but you might have a bent blade. You can use skyhawkflyer's procedure to check your blades too.
Also, check your engine alignment. ------------- current boat http://www.correctcraftfan.com/diaries/details.asp?ID=1977 - 94 Sport Nautique previous boat http://www.correctcraftfan.com/diaries/details.asp?ID=601 - 78 Martinique |
Posted By: Guests
Date Posted: August-15-2005 at 3:35pm
| How do you check engine alignment? |
Posted By: jameski
Date Posted: August-15-2005 at 4:10pm
|
Look in the "Reference" section of this site under "Engine/Transmission Manuals". The first manual is the "PCM 302 and 351 Engine Manual" Look on page number 2 - it has the engine alignment procedure.
------------- current boat http://www.correctcraftfan.com/diaries/details.asp?ID=1977 - 94 Sport Nautique previous boat http://www.correctcraftfan.com/diaries/details.asp?ID=601 - 78 Martinique |