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Re: Timing chain tensioner-Marina 1275 engine
Posted: Tue May 10, 2016 9:12 pm
by bmcecosse
Surely it pivots round the pin head - then clamps with the two screws - well - all mine did anyway!
Re: Timing chain tensioner-Marina 1275 engine
Posted: Tue May 10, 2016 9:19 pm
by philthehill
The tensioner pad support bracket (Pt No: 12G2628)( I have two complete assys in front of me as I write) pivots/arcs around the bottom hole set screw.
See:-
http://www.minispares.com/product/Class ... .aspx|Back to search
I have never come across a support bracket as you describe.
Re: Timing chain tensioner-Marina 1275 engine
Posted: Tue May 10, 2016 9:57 pm
by bmcecosse
The real ex Mini ones have two slightly slotted holes..as far as I remember.
Re: Timing chain tensioner-Marina 1275 engine
Posted: Wed May 11, 2016 6:34 am
by Declan_Burns
The tensioner pad pivots on the pin. The actual tension is adjusted via the elongated hole which implies that if it is to be installed with the pin head towards the rear (no objection to this method at all!) the hole in the engine front plate must be elongated to prevent the pin fouling the engine front plate as it moves through the tensioning arc determined by the elongated hole on the bracket as the lower hole on the tensioner bracket is fixed.
Regards
Declan[frame]
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Re: Timing chain tensioner-Marina 1275 engine
Posted: Wed May 11, 2016 8:48 am
by bmcecosse
Ah yes -of course it is - it's the tensioner that pivots, not the whole bracket. Thanks for clearing it up Declan!