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| Bennett Trim Tab Leak https://www.smwebhead.com/phpBB3/viewtopic.php?f=2&t=16078 |
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| Author: | Whiskey Jim [ Thu Aug 02, 2018 9:38 am ] |
| Post subject: | Bennett Trim Tab Leak |
Hello, Just curious if anyone knows how to fix this. I have a leak in one of my trim tab actuators I think. I can't see the leak and there is no evidence of leaking outside at upper hinge or transom, or on the piston itself, but after running the boat I get oil and a small amount of water in the bilge. I've narrowed it down to the trim tabs simply because I checked all fluids and the trim tab fluid in the bennett motor housing was almost empty. I refilled it and it has lowered considerably already. Would a faulty O ring, or loose piston cause water and oil to leak inside the bilge ? or do I have another problem ? Thanks for any advice jim |
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| Author: | Surface Interval [ Thu Aug 02, 2018 7:17 pm ] |
| Post subject: | Re: Bennett Trim Tab Leak |
For the hydraulic fluid leak, I would look inside to see if there is a leak in one of the trim tab lines or the trim tab pump assembly. Try careully wiping the lines with a paper towel. Any significant residual oil will show on the towel. Look at any area where trim lines, the outdrive, or any other items pass through the transom for a water leak. Its possible that one of the trim tab cylinders may be the source of your water and fluid leak, but maybe not. |
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| Author: | Graham R [ Fri Aug 24, 2018 5:10 am ] |
| Post subject: | Re: Bennett Trim Tab Leak |
On the port side of my Vista, the threaded metal pipe that passes through the transom had been overtightened, stripping the thread in the plastic "hinge" section of the actuator. |
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