Notes On Handling, Transport And Storage Of Composite Brake Disks - AH42.10-P-9406-12LF

Model all (CAR) 

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Structure 

Two-piece Brake disk without fasteners, consisting of Brake plate (1) and steel metal casing (2).

Corrosion protection 

• The steel metal casing (2) is galvanized with a zinc nickel coating.
• The gearing area is painted with zinc dust paint.
• The composite Brake disk is also painted with zinc dust paint (exception: hub contact surface).

Handling the composite Brake disk 

• For wheel combination components (wheel, compound Brake disk, wheel hub), it must be ensured that the vehicle-specific rated torque is first reached in step 3.
• The composite Brake disk must be corrosion free (dry storage etc.).
• Damage to the paint and coating of the composite Brake disk is not permitted.
• Prevent Brake disk from coming into contact with aggressive media (e.g. acids) (exception: Wheel cleaners approved by Mercedes-Benz).
• The steel metal casing base (wheel and hub contact surface) as well as the corresponding contact components (wheel and hub) must be free of soiling and corrosion before assembly.
• Do not apply axial forces at steel metal casing/ Brake plate circumference.
• Do not apply lateral forces (parallel to rotational axis) (e.g. fastening through safety Screw only).
• The composite Brake disk may only be handled on the Brake plate (1) and not the steel metal casing (2).
• Do not use compound Brake disks anymore after a shock, impact or after being dropped.
• Do not detach steel metal casing (2) from Brake plate (1).

Avoid any metallic impacts (risk of damaging corrosion protection) 

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Avoid any shocks, impacts to the Brake plate (e.g. on mount carrier) or use installed disk as padding/supporting surface (e.g. for steering knuckle) 

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Avoid steering knuckle turning against steering resistance through composite Brake disk pressure 

Courtesy of MERCEDES-BENZ USA