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Author Topic: Removing timing chain rails  (Read 4671 times)

jpinet

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Removing timing chain rails
« on: March 12, 2015, 04:06:40 »
Hi,
I have my 127 engine apart and I'm using that opportunity to change all the timing system: all gears, chain, tensioner and rails. But how do I remove the rails? There are two studs holding them, but I can't see how you undo these. I've read everywhere and can't find that info.
Thanks for the tips!
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ja17

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Re: Removing timing chain rails
« Reply #1 on: March 12, 2015, 04:13:18 »
They are threaded (M5) in their centers. Install a bolt in them and use a slide hammer or use the bolt and some washers to pull them out.
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Joe Alexander
Blacklick, Ohio
1969 Dark Olive 280SL
2002 ML55 AMG (tow vehicle)
2002 SLK32 AMG (350 hp)
1982 300TD Wagon turbo 4spd.
1963 404 Mercedes Unimog (Swedish Army)
1989 flu419 Mercedes Unimog (US Army)
1998 E430
1974 450SLC Rally
1965 220SE Finback

jpinet

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Re: Removing timing chain rails
« Reply #2 on: March 12, 2015, 04:36:16 »
They are just pressed in? I see the thread in the middle and will do as you suggested.
Thanks!
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jpinet

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Re: Removing timing chain rails
« Reply #3 on: March 12, 2015, 04:58:31 »
Much easier said than done!
Won't budge. I'll have to devise a better system with a slide hammer.
Like anything else, when there's a will, there's a way!
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Flim

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Re: Removing timing chain rails
« Reply #4 on: March 12, 2015, 06:50:06 »
Here's what I used, worked very well. Use a good quality (engineering) bolt.

Charles
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ja17

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Re: Removing timing chain rails
« Reply #5 on: March 12, 2015, 13:12:56 »
Ah yes, the washer and socket method!  Thanks for the contribution szentesi !
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Joe Alexander
Blacklick, Ohio
1969 Dark Olive 280SL
2002 ML55 AMG (tow vehicle)
2002 SLK32 AMG (350 hp)
1982 300TD Wagon turbo 4spd.
1963 404 Mercedes Unimog (Swedish Army)
1989 flu419 Mercedes Unimog (US Army)
1998 E430
1974 450SLC Rally
1965 220SE Finback

jpinet

  • Guest
Re: Removing timing chain rails
« Reply #6 on: March 12, 2015, 14:01:40 »
Yep! That would work. I'll get to it right away! Thanks szentesi!
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jpinet

  • Guest
Re: Removing timing chain rails
« Reply #7 on: March 12, 2015, 16:11:18 »
Done! The original aluminum and rubber rails are still in there. I don't know of the rubber is supposed to be soft, but it's hard as stone...
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Flim

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Re: Removing timing chain rails
« Reply #8 on: March 12, 2015, 17:36:51 »
Well done!
Mine were original spec as well, and were as hard as rock. Looked like plastic & aluminium to me.....

Charles
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