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Old 25 February 2013, 16:47   #11
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I think if I had trimmed it fully up it would be
Jeff
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Old 26 February 2013, 03:51   #12
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Mind you, in the cold light of day, by that point a couple of degrees here or there isn't going to make a lot of difference to the reading on the gauge! -"up" would suffice!

How is the pin fixed to the ram? Small rivet / taper pin about midway, in line with the slot?
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Old 26 February 2013, 05:43   #13
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Its a 'one shot' taper pin. Its a specific part number and an absolute mare to remove the old one.
I was told the only way ( and used) was to knock the shaft out from the sender side which breaks the retaining pin.'Trilobe' If you do, I would suggest you also replace the small bushes that fit each side of the saddle ( and loctite them into the saddles as the natural movement of the up/down can make them work out and drop off) This was a warranty job on my new opti
Cheers
Jeff

Bushing ( on Opti but I think its the same for practically and V6 merc) PN 821207 2 BUSHING
Pin P/N 821539 1 PIN, Trilobe

This is useful
http://www.mercurymarine.com/parts-a.../parts-catalog
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Old 26 February 2013, 07:54   #14
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Yep, probably the same trilobe pin I replaced with a slight(!) mod to my lower mount for that very reason - where the trilobe holds the bottom main pin in - I through drilled & now use a HUGE split pin to hold that one in place.

Had to live with the tri-lobe up top as I'd have been thru' drilling the swivel bracket casting, and the other end would have ended up in the middle of the exhaust port! (mine is an older "pre sender" design- the big pin has a groove in the end that the tri-lobe engages in (hammered into the swiivel) to stop it falling out.

My plan is that I turn up a new top pin, drill the ram head & either grubscrew or split pin the main pin in place. Split pin preferable as it's a lot less likely to sieze.

Hence all my questions!
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