Tilt and Trim please help

[THOMAS1]

IVE just installed a tilt and trim on my force 85hp it works great but when i tilt it down it only goes down to the first hole pic ( A ) looking at it the pin coming out off the trim ( pic B ) hits off the outboard mount (pic C ) is there any way off fixing this ? it is the correct trim from the same outboard and same year iam totally lost please help
all the best
Thomas ( Scotland )

 

[Frank Acampora]

Re: Tilt and Trim please help

Your tilt/trim unit is correct for your engine. Now: Once you tilt the engine down, do you hold the trim button? Correct operation on this unit is first the tilt cylinder moves then upon continued motor operation, the trim cylinder (five bolt center cylinder) moves. The trim cylinder moves much more slowly than the tilt.
Sometimes the center cylinder does stick. Try smacking it a couple of times with a heavy hammer to free it.
I really hesitate to recommend removing the pentagonal top plate and cleaning the cylinder since it is a given that you will snap at least one bolt
From the last photo it does appear that you have installed the stainless contact plate for the center cylinder ram. If the ram is NOT touching the plate, it means that the whole assembly is twisting a bit around the mounting shaft in the clamps. One cure for this is to unmount the engine and put a 1/8 thick hard aluminum plate on the back of the transom. This provides a bit less flexible spot for the assembly to bear on so it may not twist as much and the center ram will be positioned correctly---maybe.

 

[THOMAS1]

Re: Tilt and Trim please help

thanks for getting back to me m8 yes i hold the botton in when i used it and what is the stainless contact plate youve lost me there
all the very best and thanks
Thomas

 

[RRitt]

Re: Tilt and Trim please help

your trim cylinder is probably out of alignment. See how your trim cover bolts are rusted? That's not possible on a properly built trim ram. The system probably blew out the trim o-ring soon after warranty ran out because mercury used cheap fluid in the factory that cut the lifespan from 20-25 years to 13-17.

so ...

block the engine up with a chunk of wood or rubber tires chucks or a log or some other handy thing. Lower the trim. See if the trim piston retracts smoothly or if it jams. If it jams then rebuild the trim ram using a new cylinder sleeve and SS cover bolts.

Where the trim piston hits the underside of engine there needs to be a 1/8" thick stainless steel shoe. If the shoe is not there then the aluminum bracket will eventually crack and split.

 

[THOMAS1]

Re: Tilt and Trim please help

RRitt thank you very much for getting back to me, were would i purchase the stainless steel shoe ? all the very best and thanks
Thomas

 

[jerryjerry05]

Re: Tilt and Trim please help

You have to remove the locks on the side.They aren't needed.All the old stuff has to come out.The new tilt lock is available on e-bay.J

 

[THOMAS1]

Re: Tilt and Trim please help

does any1 have a picture si iknow what i am looking for
all the best
Thomas

 

[RRitt]

Re: Tilt and Trim please help

http://www.boats.net/parts/search/M... none/TRIM & TILT ASSEMBLY(F5H196)/parts.html

part # 27

 

[THOMAS1]

Re: Tilt and Trim please help

thank you very much every1 for your replys, sadly i cant source 1 here in the uk so i will just hope fully something up to do the job
thank all again
all the best
Thomas

 

[JCNailen]

Re: Tilt and Trim please help

Good point Frank. I once bought a TT motor from a guy who swore it was messed up because it is so slow, "then kicks in to a faster gear". I almost fell out of my chair. It works slow so you don't flip your boat over.