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Manually Release Pressure In Hydraulic System Of Electrohydraulic Suspension With Intact Shutoff Valve - AR32.50-P-0015-01S

Model 223 

with code 490 (Electrohydraulic suspension) 

WARNING Risk of injury  to skin or eyes from hydraulic fluid spraying out under pressure. Risk of poisoning  from swallowing hydraulic fluid. Depressurize hydraulic system completely before starting any work on it. Wear protective clothing and safety glasses. AS00.00-Z-0013-01A
Topical note  Information on E-ACTIVE BODY CONTROL suspension   AH32.50-P-0002-01ME 
  Notes on safety-relevant components   AH00.00-Z-0019-01A
REFER TO SPECIAL TOOLS 000 588 03 82 00 Filling unit   WS32.00-P-0032B 
ELECTROHYDRAULIC SUSPENSION

Number Designation Model 223 with code 490 (Electrohydraulic suspension)
BA32.50-P-1008-04B Screw, shutoff valve to suspension strut Nm 5
  1. Screw in shutoff valves (2, 3) up to end stop. TORQUE SPECIFICATION

    IMPORTANT The hydraulic pressure in the suspension strut (1) can only be retained by closing the shutoff valves (2, 3). It is not possible to fill the suspension strut (1).

  2. Connect return hose of filling unit to connection fitting (4) and release pressure in system.
  3. Remove return hose of filling unit from connection fitting (4).
  4. Connect return hose of filling unit to connection fitting (5) and release pressure in system.
  5. Remove return hose of filling unit from connection fitting (5).
  6. The shutoff valves (2, 3) are opened during the filling process for the system's hydraulic pressure lines.
G16227802Courtesy of MERCEDES-BENZ USA