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Old 03-01-2008, 01:30 PM
stevebfl stevebfl is offline
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Join Date: Mar 2000
Location: Gainesville FL
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The proper adjustment would have you hook a gauge to the modulator pressure port, remove the vacuum and rev the motor to 2000 rpm.
The pressure attained then would be changed to spec by turning the tee handle in the modulator.

In reality I would suggest adjusting to taste.
It will probably be close where you get it.
Harder = clockwise, softer = counterclockwise.
Do it a half turn a time and if you go more than 2 total turns you probably have a problem.
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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician

Last edited by whunter; 03-21-2009 at 03:21 AM. Reason: spelling
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