Adjust the control pressure cable.

I might wish to translate your post for those speaking American English. In no way would we call that a governor. Not only is the term more applicable in the American dialect - modulator; but it also keeps one's attention separate from the real governor that has nothing to do with vacuum.

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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician