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Removing and installing mechatronic unit for dual clutch gearboxJ743 with gearbox installed > < Exploded view - mechatronic unit for dual clutch gearboxJ743

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Safety notes on mechatronic unit for dual clutch gearboxJ743
   
Safety notes on mechatronic unit for dual clutch gearbox -J743-
  WARNING
System is pressurised.
The mechatronic unit for dual clutch gearbox -J743- has an accumulator which maintains a system pressure of up to 60 bar.
The cover of the mechatronic unit for dual clutch gearbox -J743- and the accumulator must not be opened.
  Note
The maximum specification for pressure in the accumulator, which is controlled by software and adjusted via the pump, is 60 bar. The pump is switched off if the pressure exceeds this value. When the pressure drops to 42 bar due to gearshifts, the pump is switched on again. In the event of a software fault, it is possible for the pressure to reach approx. 75 bar. The pressure relief valve then opens automatically.

   

Removing and installing mechatronic unit for dual clutch gearboxJ743 with gearbox installed > < Exploded view - mechatronic unit for dual clutch gearboxJ743