S 420 (140.043) V8-4.2L (119.981) (1996)
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Steering Gear: Description and Operation
Hydraulic Functions
Standard Steering
Hydraulic Functions
NOTE: Numbers in parentheses ( ) indicate a component or tool in the associated illustration.
CONTROL SECTION
The hydraulic control section basically comprises the pressure chambers (power chambers) for servo assistance for lee (1a) and right lock (1b), the
steering nut (25) with the control-bar and the spool valve (4).
A high-pressure seal (1c) is located in a groove in the steering housing (1) which seals off the moving power piston (11) from the pressure
chamber (1a or 1b).
