Jack screw

Rinker85

Petty Officer 1st Class
Joined
Aug 29, 2010
Messages
207
Hello I have an 84 omc 2.5 L and I am having trouble with the select trim. The jjack screw turns both direction but will not go up or down. I assume I need to take more apart than what I have pictured. What should I be looking for? Thanks
 

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kenny nunez

Captain
Joined
Jun 20, 2017
Messages
3,373
The jack screw is not supposed to rotate. The worm wheel in the bottom is threaded to it . The nut at the top needs to be tight enough to hold the jack screw.
 

Rinker85

Petty Officer 1st Class
Joined
Aug 29, 2010
Messages
207
That makes sense. I was replacing the rubber washer on top and when u took the nut off it was already loose
 
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