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Author Topic: Slack timing belt  (Read 1675 times)

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Osprey

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Slack timing belt
« on: 04 June 2011, 23:48:42 »
Did the timing belt today.  Now running fine, no issues and the OOF DVD was spot on – thanks guys.

But first sight the old belt made my heart miss a beat – slack as a tart’s, er... morals. 

http://s1006.photobucket.com/albums/af181/astclair2/Omega/?action=view&current=Cambelt02.jpg
(sorry about url - problem with image embedding, probably beer)

The tensioner was torqued up OK and in a plausible position but the indicator sat on its end stop whatever the crank position.  Turned out the top idler/adjuster was just finger tight, and flapping about like Stephen Fry’s windsock. 

The take home message for me is that adjusting the eccentric wotsit anticlockwise loosens the fixing bolt, and torque really must be re-checked even after the smallest adjustment. 

How it didn’t slip a tooth or three I will never know – I count myself very lucky. 

 8-)
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Kevin Wood

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Re: Slack timing belt
« Reply #1 on: 05 June 2011, 00:02:16 »
A bullet dodged. :o

Last job before putting the belt cover back on should always be to check the belt tension and check all fasteners are correctly torqued. It's so easy to make an adjustment and forget to re-torque.

(you should slacken off the torx bolts before turning the adjusters with the 30mm spanner too)
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feeutfo

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Re: Slack timing belt
« Reply #2 on: 05 June 2011, 00:03:01 »
Ooh Lordy.  :o
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The Red Baron

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Re: Slack timing belt
« Reply #3 on: 05 June 2011, 09:58:34 »
strewth, very lucky. :o
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Darth Loo-knee

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Re: Slack timing belt
« Reply #4 on: 05 June 2011, 10:01:29 »
I have personally seen two that I was able to remove the cambelt without undoing any of the idlers or the tensioner  :o

You are lucky there mate :)
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cem_devecioglu

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Re: Slack timing belt
« Reply #5 on: 05 June 2011, 10:08:13 »
 :o

buy a lottery ticket imo ;D :y
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feeutfo

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Re: Slack timing belt
« Reply #6 on: 05 June 2011, 14:20:46 »
Presume belt rotation was enough to keep the eccentric top adjuster going the right way...?
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Osprey

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Re: Slack timing belt
« Reply #7 on: 05 June 2011, 17:00:31 »
That's the only explanation I can think of.  I could spin the top adjuster quite easily with one finger - frightening!

Now I think about it, isn't the tensioner indicator finger in its max tension position?  In which case it was fubar as well.  Can't be arsed to dig it out of the bin to check.   :-/
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Varche

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Re: Slack timing belt
« Reply #8 on: 05 June 2011, 17:19:08 »
 :o :o :o


Not a moment too soon.  :y
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