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Assemble piston guide and external plate carrier of multi-disk brake B2 - AR27.50-P-0880-01W

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TRANSMISSION 722.9, 724.2 

TRANSMISSION HOUSING

Number Designation TRANSMISSION 722.9
BA27.40-P-1005-01A Bolt, multi-disk brake B2 to transmission housing Stage 1 Nm 10
Stage 2 ∠° 90
ELECTROHYDRAULIC CONTROLLER UNIT

Number Designation TRANSMISSION 724.2
BA27.19-P-1006-01C Bolt, multi-disk brake B2 to transmission housing Stage 1 Nm 10
Stage 2 ∠° 90
  1. Install piston guide (61b) in transmission housing (1) and tighten with screws/bolts (6s).TRANSMISSION 722.9 TORQUE SPECIFICATION TRANSMISSION 724.2 TORQUE SPECIFICATION

    IMPORTANT Press piston guide (61b) axially into housing to prevent any tilting when tightening.

  2. Press external plate carrier (61a) into piston guide (61b) up to end stop.

    IMPORTANT The cutout in the gearing or the opening in the external plate carrier (61a) must face downwards (arrow).

  3. Remove the now preassembled multidisk brake B2 from transmission housing (1) for further assembly operations.
    Fig 1: Installing Piston Guide In Transmission Housing
    G10241193Courtesy of MERCEDES-BENZ USA