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#1
11-08-2015, 11:20 PM
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190db diesel timing chain installation
Hi
I am putting together a rebuilt om621 engine-- The timing chain needs to be installed and the fuel injection pump also First I set the crank at 45 deg BTDC--first cylinder is now in compression Second I align the marks on the injection pump at the coupling to the engine Third I set the camshaft sprocket spacer mark to the mark on the first bearing housing to set the cam. Now I can install the timing chain Is this correct? Thanks- all comments appreciated!! 
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#2
11-10-2015, 01:14 AM
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Bump to top......
Does anyone have any help here? My 190Db has been out of service for over 40yrs, so I will not really be of any help. It is pretty cool, though, to see someone working on one of these Ponton engines. What year car is it from, Angus?
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1961 190Db retired 1968 220D/8 325,000 1983 300D 164,150
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#3
11-10-2015, 06:28 AM
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Keep bumping it. Perhaps posting in the vintage section? Not sure where is best to find this info...
Super cool though.
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!!  1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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#4
11-10-2015, 10:48 AM
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Kent Bergsma who speaks as the mercedes source, I believe runs a ponton. You might find documentation at that site.
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CC: NSA All things are burning, know this and be released. 82 Benz 240 D, Kuan Yin 12 Ford Escape 4wd You're four times It's hard to more likely to concentrate on have an accident two things when you're on at the same time. a cell phone. www.kiva.org It's not like there's anything wrong with feeling good, is there?
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#5
11-10-2015, 11:11 AM
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I don't know from experience but I would have thought that all marks should be lined up before the chain is put on. Cam zeroed out, crank zeroed and injection pump zeroed out....? I'd think there are marks for all these.
Is this an overhead cam engine?
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.  [SIGPIC]..I also have a 427 Cobra replica with an aluminum chassis.
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#6
11-10-2015, 09:07 PM
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thanks for replying
Thanks-- its a 59 or 58 engine I bought on craigslist. I'm going to put it in my 60 sedan. Pretty much rebuilt but has sat around for 17 years!
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#7
11-11-2015, 12:39 AM
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Angus,
At some point it would be really great to see some pics of your 60 Ponton sedan. Also let us know how the chain job goes.
__________________
1961 190Db retired 1968 220D/8 325,000 1983 300D 164,150
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