Checking Fluid Level In Hydraulic Unit:

Necessary preliminary tasks:

Test requirements:

Open rear lid (motor-driven) once and close again, this bleeds the system.

Open rear lid again (motor-driven).

Unscrew nuts (1).

Fig 1: Removing Hydraulic Unit

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Remove holder and pull out hydraulic unit (2).

Disconnect plug connections (3).

Hold hydraulic unit with drive (1) all round vertically upwards.

Fig 2: Holding Hydraulic Unit

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When rear lid is fully opened (cylinder retracted), fluid level (2) must be in area (A) of marking (3).

Correct measurement:

Fig 3: Checking Fluid Level

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Set hydraulic unit (1) down on a horizontal surface (4).

Damper (3) and valve (5) must not rest on surface.

Check distance (B) from middle of marking (2) to lower edge of hydraulic unit (1).

B = 45+/-1 mm

Fluid level must be in area (A) of marking (2).