111 engine timing for Bosch injection pump install - Mercedes-Benz Forum

 
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post #1 of 5 (permalink) Old 07-10-2014, 12:17 AM Thread Starter
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111 engine timing for Bosch injection pump install

Hi all
Wondering if anyone knows what the engine timing should be for installation of Bosch 2 plunger injection pump on 220SE 1975, just got a S/H one to re install but dont have a manual and cant find anywhere on this forum..
I know if have to go to TDC (firing) first but dont know what degrees after TDC for pump install


Cheers
pacey
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post #2 of 5 (permalink) Old 07-10-2014, 02:51 PM
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20 deg of suction stoke of num 6 cyl , so set at 20 deg after tdc of num 1 cyl at firing , this will give you 20 atdc in intake of num 6 . so after tdc go to 20 deg .
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post #3 of 5 (permalink) Old 07-11-2014, 09:41 PM Thread Starter
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Thanks Agillot
Is that definitely the setting for the two injector type pump ??
Put it in at 20deg ATDC and won't take acceleration. Everything else is set correctly.

Cheers Pacey
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post #4 of 5 (permalink) Old 07-12-2014, 08:50 AM
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there are 2 pumps , the 2 plunger at TDC , the 6 at 20 after . on the 2 plunger , it does not make any difference or not much where you put it , because it feeds 3 cylinders at a time . test fuel pressure at the cold start valve pipe , around 9 to 10 psi [ not critical ] . when i answered on my e mail side , had no car description , but it showed a 66 250 se [ 6 elements pump . what was wrong with pump ???
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post #5 of 5 (permalink) Old 07-13-2014, 04:37 PM Thread Starter
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Thanks Alligot

Put the pump in at TDC (firing) startup will only idle, but wont take any acceleration at all everything is connected correctly, feels like the linkages inside the pump have no resistance wierd !! may have to pull out again and open up the back and check the linkages inside Damn
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