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Old 13 November 2011, 13:20   #1
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Mercury Gear box stuck in gear and hanging off

I have a mercury 40 hp and i wanted to change the impellor so i went to drop the gear box and got it about half a inch and it got stuck. The engine is now stuck in gear. I can not pull it down any further. The engine is about a 1990. Any replies would be much apreciated

Many thanks jack
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Old 13 November 2011, 14:07   #2
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Jack, sounds like the pinions have meshed together. Can you press it back up into position again and take it out of gear?
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Old 13 November 2011, 15:31   #3
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Sounds like you have not disconnected the shift shaft that runs from the shift lever down to the gearbox. Look at the front of the engines leg and you will see it. undo the two nuts, one is a barrel nut the other a lock nut. Try and leave the smaller lock nut in the same position that way when you put the gearbox back on the shift shaft will be adjusted in about the right place.
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Old 13 November 2011, 17:52   #4
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Thank you for your replies but i have I have already tried bolting it back up and it wont come out of gear. and i will have a look for the bolts tomorrow.
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Old 14 November 2011, 15:44   #5
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I had a look for the bolts but could not locate them . Do you have any pictures or diagrams of where they are.

Many thanks jack
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Old 14 November 2011, 16:35   #6
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Quote:
Originally Posted by jboswell View Post
I had a look for the bolts but could not locate them . Do you have any pictures or diagrams of where they are.

Many thanks jack
Its not a bolt its a linkage. At the very front of the skeg at a gap in the aluminum casting you will see a stainless rod coming down from above with 2 nuts on it. You need to disconnect the lower portion of this rod from the upper nuts. Leave the upper nut in the same postion you found it to preserve the fwd-N-rev shifting as is.
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