32 41 037 Removing And Installing/Replacing Power Steering Pump For Hydraulic Steering Gear With Dynamic Drive (N63)
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NOTE:
When replacing power steering pump:
OIL RESERVOIR must be replaced in event of metal abrasion, sluggish pump shaft or increased dirt contamination!
The filter integrated in the oil reservoir can only absorb a limited amount of foreign particles. If the filter clogs, the hydraulic system can no longer be sufficiently protected.
Metal abrasion is perceived in the oil reservoir as metallically glittering hydraulic fluid.
It is only necessary to replace the oil reservoir because of leaks (e.g. at hose connections) only in the event of the unavoidably high ingress of dirt.
OIL RESERVOIR must be replaced in event of metal abrasion, sluggish pump shaft or increased dirt contamination!
The filter integrated in the oil reservoir can only absorb a limited amount of foreign particles. If the filter clogs, the hydraulic system can no longer be sufficiently protected.
Metal abrasion is perceived in the oil reservoir as metallically glittering hydraulic fluid.
It is only necessary to replace the oil reservoir because of leaks (e.g. at hose connections) only in the event of the unavoidably high ingress of dirt.
WARNING:
DANGER OF POISONING
if oil is ingested/absorbed through the skin!
DANGER OF INJURY if oil comes into contact with eyes and skin!
DANGER OF INJURY if oil comes into contact with eyes and skin!
IMPORTANT:
Adhere to the utmost cleanliness. Do not allow any dirt to enter the hydraulic system.
Do not draw off hydraulic fluid (risk of contamination).
Do not draw off hydraulic fluid (risk of contamination).
Necessary preliminary work:
- Remove BELT PULLEY .
- Lower FRONT AXLE SUPPORT .
- Draw off and dispose of hydraulic fluid from oil reservoir.
Release screws (1) and remove holder from power steering pump.
Tightening torque: 32 41 14AZ
Unfasten plug connection (1, 2) and disconnect.
Release screws (3).
Tightening torque: 32 41 13AZ .
Release screw (4).
Tightening torque: 32 41 10AZ .
Release hose clamp (5) and detach intake pipe from power steering pump.
Installation note:
Replace hose clamp (5).
Align intake pipe by way of marking to power steering pump.
Make sure hydraulic lines are laid without tension and with sufficient distance to adjoining components.
Release screws (1, 2) and remove power steering pump.
Tightening torque: 32 41 9AZ .
Installation note:
Replace screws.
Make sure screws are installed in correct positions.
- Screw (1) M10x110
- Screw (2) M10x130
After installation:
- Fill and bleed HYDRAULIC SYSTEM .
- Check line connections for leaks.
- If necessary, carry out INITIAL OPERATION FOR DYNAMIC DRIVE .