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  #1  
Old 12-12-2003, 02:55 AM
azhari
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Is the screw in the EHA for manually adjusting fuel pressure?

Is that what the screw is for?
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Is the screw in the EHA for manually adjusting fuel pressure?-c203019800bos.jpg  
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  #2  
Old 12-12-2003, 05:44 AM
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Join Date: Sep 2003
Location: France
Posts: 487
I do not know precisely
Are you speking of upper chamber pressure or lower chamber pressure?
the system fuel pressure is adjusted/defined by the pressure regulator.
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  #3  
Old 12-12-2003, 10:12 AM
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Join Date: Mar 2000
Location: Gainesville FL
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Hi just dropping in from Grand Cayman.

Actually there is a trim adjustment beneath that screw. It doesn't affect system pressure. If anything, it affects the leak rate which affects lower chamber pressure.
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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician
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  #4  
Old 12-13-2003, 11:12 AM
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Join Date: Sep 2003
Location: France
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azhari,
I dont know if your model is exactly this one (a 260E).
here is what is behind the screw (BOSCH part N 243702007/847)

stevbfl,
do you know what kind of screwdriver/tool is needed for the trim?
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Is the screw in the EHA for manually adjusting fuel pressure?-dsc00293-eha-260e.jpg  
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