Checking oil pressure of power steering pump

AR46.30-S-0100A

Checking oil pressure of power steering pump

8.9.11

Check

1

Suction off oil from the power steering pump





*112589007200

2

Remove front grille

AR88.00-S-2115A

3

Unscrew high pressure expansion hose from power steering pump

4

Connect tester





*124589062100

5

Check and correct oil level



AP46.00-D-4611A

6

Allow engine to idle

7

Check circulation pressure with throttle cock open





*BE46.30-N-1001-01A

8

Allow engine to run at a speed of approx. 1000 RPM

9

Check opening pressure with closed throttle cock (070b)





*BE46.30-N-1002-01A

 Perform test only for a short time, so that oil temperature does not increase beyond its permitted level

10

When pressures deviate replace power steering pump

AR46.30-S-0500A

11

Suction off oil from the power steering pump





*112589007200

12

Screw high pressure expansion hose to power steering pump





*BA46.30-N-1003-01A

13

Correct oil level





AP46.00-D-4611A

Number

Designation

Steering 763.000 in Model Series 638

BE46.30-N-1001-01A

Circumferential pressure with throttle cock opened

bar max..

5

BE46.30-N-1002-01A

Opening pressure with throttle cock closed

bar

120-8

Number

Designation

Model
638 with steering 763.000

BA46.30-N-1003-01A

High pressure expansion hose to power steering pump

–

Nm

38

VDA pump

Nm

-

VT pump

Nm

-