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Home >> Mercedes Benz >> 2017 >> GT AMG >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Sliding Roof, Soft Top, Top Attachments -- 190 Chassis >> Testing & Repair >> Connection Scheme For Pressure Test - AR77.37-P-4205-02RGR

Connection Scheme For Pressure Test - AR77.37-P-4205-02RGR

Model 190.4 

Fig 1: Identifying Valve Block (230 589 00 91 00)
G13847957Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Adapter (171 589 00 91 00)
G13847955Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Tester (126 589 14 21 00)
G10248482Courtesy of MERCEDES-BENZ USA
G16682735Courtesy of MERCEDES-BENZ USA

Connection schematic shown for testing right hydraulic cylinder for soft top actuation 

IMPORTANT The SPECIAL TOOL test equipment (3), SPECIAL TOOL adapter (5) and test SPECIAL TOOL valve block (1) are already connected with the corresponding lines to each other during the preparation of the SPECIAL TOOL test valve block (1). SPECIAL TOOL

To test the left hydraulic cylinder for soft top operation, hydraulic line no. 12 (12) instead of hydraulic line no. 11 (11) and hydraulic line no. 14 (14) instead of hydraulic line no. 13 (13) are connected to SPECIAL TOOL test valve block (1).

Assignment of hydraulic lines (11, 12, 13, 14) to corresponding hydraulic cylinders: 

IMPORTANT The numbers of the hydraulic lines (11, 12, 13, 14) are printed on the outer mantle.

Left cylinder for soft top operation, piston side

Left cylinder for soft top operation, rod side

Right cylinder for soft top operation, piston side

Right cylinder for soft top operation, rod side