Steering
Designation - LS 90 power steering
Part number - 116 460 0801 1 version, 116 460 1001 2 version
Reactive plunger diameter:
- 1 version - 10.0 mm
- 2 version - 9.0 mm
The friction moment of the steering gear screw in the bearing cap before turning on the booster is 1.2-1.5 kg cm
The friction moment of the steering gear nut in the working piston is 0.6-1.0 kg cm
(Article obtained from this portal mercedesman)
Friction moment screw - circulating balls - nut - 3-6 kg cm
Total friction moment - 12-16 kg cm
The force on the steering wheel at which the amplifier is activated is 0.7 kg
Beginning of limitation of arm effort:
- measured on the steering wheel - 2.4 - 3.5 kg
- measured on the steering gear screw - 60 - 80 kg cm
Power Steering Pump - 280/280 SE; 350 SE/450 SE
Vane pump type - Vackers VT 27
- VT 27, 1 version
- VT 49, 2nd version
Opening pressure of the safety valve is 65±5 bar; 82±5.1 bar
Designation and numbers on the plate:
- black 01, blue 08, 1 version
- blue 25, 2 execution
Maximum rotation speed - 7000 rpm
Pump capacity - 10.4 l/min at 1200 rpm