\version "2.10.20"

global = { s1*2 \bar "|." }

manualBeam =
  #(define-music-function (parser location beg end)
                           (number? number?)
  #{ \once \override Beam #'positions = #(cons $beg $end) #})

Abstand =
  #(define-music-function (parser location wert)
                           (number?)
  #{
     \overrideProperty
     #"Score.NonMusicalPaperColumn"
     #'line-break-system-details
     #'((fixed-alignment-extra-space . $wert))
  #})

rechts = \context Staff \relative c'{
  \context Voice = "rechts"
\manualBeam #3 #6
  c8 d e f s2
%\overrideProperty
%#"Score.NonMusicalPaperColumn"
%#'line-break-system-details
%#'((fixed-alignment-extra-space . 7))
  \Abstand #7
  \break
}

links =  \context Staff \relative c{
  \context Voice = "links"
  c
}

\score {
  \context PianoStaff
  <<
    \context Staff = "up" << \global \clef violin \rechts >>
    \context Staff = "down" << \global \clef bass \links >>
  >>
}