Refueler
Well-Known Member
Originally I thought this was the engine bay extraction fan ... but now I think this is something to do with trim ? maybe engine trim ?
What is this please ?? It has a label on to use Rule Oil ...
- Thread starter Refueler
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Originally I thought this was the engine bay extraction fan ... but now I think this is something to do with trim ? maybe engine trim ?
PaulRainbow
Well-Known Member
Looks like a hydraulic pump, maybe engine trim or trim tabs.
Refueler
Well-Known Member
I think you're right ... I think its engine as there are only 2 small diameter pipes exiting ... for tabs - I would expect 4 ... but when looking at back of engine - those small bore pipes seem to pass through transom at a distance from the sterndrive line ..
Could trim tabs work on one line to each ???
Could trim tabs work on one line to each ???
Last edited:
PaulRainbow
Well-Known Member
Mine do. One pipe for up, one for down, a pair of solenoids to determine which tab works.I think you're right ... I think its engine as there are only 2 small diameter pipes exiting ... for tabs - I would expect 4 ... but when looking at back of engine - those small bore pipes seem to pass through transom at a distance from the sterndrive line ..
Could trim tabs work on one line to each ???
Refueler
Well-Known Member
Maybe I wasn't so clear ... I only have two what appear to be small bore pipes from that unit ... and in the photo - you only see one pipe going through the transom ...
I need to open up transom again - but it looks like only one pipe per side .. not two as I would expect.
When looking at the tabs ram - I could not find the usual two pipe set up .. one pipe at each end to do Up / Down ....
I have a new log to fit to the boat - the old impellor Sumlog is stuck and not working .... so maybe a lift out later and a real investigation !!
PaulRainbow
Well-Known Member
Trim tabs don't usually have two pipes going to each ram, mine certainly don't (Bennett). A single pipe from the pump goes each ram. When the "lower" button is pressed the corresponding solenoid valve opens and oil is pump to the ram, forcing the ram to extend, lowering the tab. When the "Raise" button is pressed and the corresponding solenoid valve opens, the pump runs the other was, pumping oil from the ram, back to the reservoir and the tab raises.
Of course, yours might be different.
Seastoke
Well-Known Member
Don’t forget to fit the blue pipe
Refueler
Well-Known Member
You must be right as there is only one pipe per side ...
We were testing alongside today and we noted a slight oil seepage from the stbd ram ... so definitely hydraulic - not electric.
Tks Paul.
Refueler
Well-Known Member
Bit late to remind now !!
Of course was done ...
Getting water in bilge ... noted that pump overboard is very low and the valve to pipe junction leaks ..... need to fix that bilge pump - replace wires and make auto for this season till lift out .. then sort connection etc.
PaulRainbow
Well-Known Member
You're welcome.
Again, your might be different, but on Bennet rams there is a 2 core cable coming from the ram, inside the boat. That's the sender wire for indicator gauges.
Refueler
Well-Known Member
I now know why there's a bottle of ATF / Hydraulic fluid in the locker !!!
Will have to really get down into the engine bay and check out more ... it is not so easy for me - having snapped spine vertebrae in past and had it glued back together .. its hard to bend and get into spaces ....
Will have to really get down into the engine bay and check out more ... it is not so easy for me - having snapped spine vertebrae in past and had it glued back together .. its hard to bend and get into spaces ....
vas
Well-Known Member
when you get her on the hard, post pics of the rams, easy to identify them (if bennet) but I wouldn't expect them to have the control you posted in the other thread...
If it's leaking in the water it's o rings in the ram itself, if it's leaking in the engine bay/inside transom, could well be wrong dia black pipes. It's imperial (if bennet) which I think measures 6.3mm so ppl tend to replace them with metric 6mm and the olive doesn't compress and you get oil leaks. Got the tshirt for that!
If it's leaking in the water it's o rings in the ram itself, if it's leaking in the engine bay/inside transom, could well be wrong dia black pipes. It's imperial (if bennet) which I think measures 6.3mm so ppl tend to replace them with metric 6mm and the olive doesn't compress and you get oil leaks. Got the tshirt for that!
Refueler
Well-Known Member
Its going to be a while before she's out of water ... I plan to do it mid summer - give her a pressure wash off under as well ...
Plus I want to fit the speed log and sounder ... I have a Dual Clipper unit new in box.
Plus I want to fit the speed log and sounder ... I have a Dual Clipper unit new in box.
