3C Timing chain tensioner, question

  • Thread starter Thread starter Geezer
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Geezer

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It looks as if the timing chain tensioner does not need a spring inside?? Am I right? If so, can anyone explain how this tensioner works, I don't seem to get the picture.
Thanks in advance,

Geezer
 
Geezer,

Idd no spring. Not semi self-adjusting as 750 models.

Tensioning the chain and feel with your finger the tension between the 2 sprockets. At last securing the nut.



Picture:
http://www.laverda-paradies.de/shop/catalog.php?lng=de&cat=1000&chp=44
 
Geezer,

The blade is simply pushed towards the chain along its' rear run by the tensioner screw and needs to be adjusted from time to time.  Spring-loaded blades are self-tensioning and usually have no provision for adjustment.

OE factory blades had the lower 2-3cm bent backwards about 15-20?.  Reproduction items available today are straight, this results in the chain chewing away at the lowest portion of uncovered metal.  When fitting a new tensioner blade, stick the lower uncovered bit in a vice and give the blade a tweak.

piet
 
Thanks, now I know how. Piet, I did buy me a new tension blade from Gijs last week, so thanks for youre advise. I will give it a tweak in the vise  :D
 
only two?
well mines got three, one on each camshaft and on on the crankshaft, lets see someone change that little feckker then!
CLEM
 
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