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Filling And Bleeding The Steering System; Return Policy For Used Parts - Bosch 7830 Montageanleitung

Lenkgetriebe pkw hydraulisch
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2 | Hydraulic Steering Gears for Passenger Cars
2.2

Filling and bleeding the steering system

1. Fill the oil tank with the prescribed oil up to the maximum level. Use type-specific, fresh hydraulic oil only. Fol-
low the instructions issued by the vehicle manufacturer. Dispose of used hydraulic oil in an appropriate manner.
2. Remove load on front axle by lifting it.
3. Perform two slow steering wheel turns from one end stop to the other while the engine is stationary.
4. Fill the tank again up to the maximum level.
5. Start the engine and make sure that the oil tank is always filled with oil to prevent air being sucked in.
6. Perform several slow steering wheel turns from one end stop to the other without generating high forces at the
end stop (risk of foaming oil).
For steering gears that cannot be bled easily due to unfavorable positioning of the cylinder line connec-
tions, bleeding can be performed prior to mounting the tie rods (on the wheel suspension) or the drop
arm. This only applies for ball-and-nut steering. Because the stroke can now be larger, the bleeding pro-
cess can be accelerated.
7. Check the oil level and refill the oil tank if necessary.
8. Do a visual inspection of the steering system (steering gear, cylinder lines and connections, oil pump).
9. Switch off the engine and check how far the oil level rises in the oil tank.
10. If it rises more than approx. 5 mm, the bleeding process described above must be repeated.
11. Calibrate front axle (see the information provided by the manufacturer)
2.3

Return policy for used parts

 Do not clean removed used part.
 Dismantle all add-on components (cf. new part scope of supply).
 Allow all liquids to fully drain.
 Inspect the used part for damage: Fractures, cracks, deformations, corrosion, as well as water and fire damage.
 Protect the thread, oil ducts, and plug-in connections against damage during transport. Use the protective co-
vers belonging to the new part on the used part.
 Return the used part to the supplier in the original packaging.
 Every delivered part will be subjected to a visual inspection. Used parts that do not comply with the provisions
will be scrapped.
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TDM 004000229904
en
7830 M 2019-01 de/en V06 PC

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