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#1
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Mercruiser Tilt/trim stuck
On a used boat I bought recently the outdrive is stick in the up
position. The trim pump turns when the downswitch is pressed and when the trailer button is pressed, but the outdrive will not go down. The up switch does not work or turn the pump. The reservoir is about 3/4 full. The trim limit switch is not connected. Maybe it's wired wrong, or the hydraulic lines are connected wrong, Any ideas? Anybody have a wiring schematic or link it's an 86 alpha one. Thanks. Tom. |
#2
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Mercruiser Tilt/trim port side unstuck!
Well after looking everything over I decided to drain the oil from the
cylinders by cracking open the fittings, and to my surprise the cylinders still didn't compress! So I rotated the cylinder piston rods and tried to loosen them a bit and after that the port side cylinder works fine! Now I still have to work on the starboard cylinder to get it to work. Halfway there anyway. I was thinking of trying a ratchet strap to get it to compress. |
#3
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Mercruiser Tilt/trim port side unstuck!
The trailere switch normally raises the drive to the full up position for
trailering. The trim switch will lower the drive to the normal operation when pressed for down. It will then adjust the outdrive up or down but only within the normal operating range. The trailer switch has to be used to get the drive fully up for trailering. There is a switch on one side of the outdrive where it pivots that keeps the trim switch from moving the drive too far up. The trailer switch bypasses this switch. The other side of the outdrive pivot has the sending unit for the trim gauge. You should get a clymers manual for mercruisers. wrote in message ... Well after looking everything over I decided to drain the oil from the cylinders by cracking open the fittings, and to my surprise the cylinders still didn't compress! So I rotated the cylinder piston rods and tried to loosen them a bit and after that the port side cylinder works fine! Now I still have to work on the starboard cylinder to get it to work. Halfway there anyway. I was thinking of trying a ratchet strap to get it to compress. |
#4
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Mercruiser Tilt/trim stuck
Sounds like you need to rebuild the cylinders. Mercuiser make a kit put you
may not want to tackle this work unless you are a reasonably good shade tree mechanic. Check out Aftermarket Marine for parts www.amarket.com -- Ron White Boat building web address is www.concentric.net/~knotreel |
#5
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Mercruiser Tilt/trim stuck
Perhaps it is because Ron is local to Aftermarket Discount Marine (they're
both in Louisiana), but the link below will provide you with my mail order experience with this company. http://groups.google.com/groups?hl=e...asa.gov&rnum=1 You luck may vary, but buyer beware! Bob Dimond In article , "Ron White" wrote: Sounds like you need to rebuild the cylinders. Mercuiser make a kit put you may not want to tackle this work unless you are a reasonably good shade tree mechanic. Check out Aftermarket Marine for parts www.amarket.com -- Ron White Boat building web address is www.concentric.net/~knotreel |
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