Checking oil pressure of power steering pump

AR46.30-P-0100P

Checking oil pressure of power steering pump

23.11.09



Removing

1

Suction off oil from expansion reservoir of power steering



*210589007100

2

Unscrew high-pressure expansion hose (30i) from power steering pump.

See Remove/install power steering pump:

Model 203 with engine 112, 113 without code 480 Level control on rear axle
Model 209 with engine 112, 113

AR46.30-P-0500P

Model 203 with engine 272 without code 480 Level control on rear axle
Model 209 with engine 272, 273

AR46.30-P-0500QB

Model 203 with code 480 Level control on rear axle

AR46.30-P-0500PV

Model 209 with engine 156

AR46.30-P-0500GZS



Checking

3

Fit connection fitting (040a) to high pressure expansion hose (30i)

 Use connection fitting Part 11.



*215589016300

4

Fit connecting hose (040b) to power steering pump

 Use connection fitting Part 01.



*215589016300

5

Mount testing unit (039) between connection fitting (040a) and connecting hose (040b)



*124589062100

6

Align test device and tighten all connections

 Ensure that the test device cannot be touched by moving parts such as fan and poly-V belt.

7

Fill power steering pump and bleed

Model 203 without code 480 Level control on rear axle
Model 209

AR46.30-P-0010P

Model 203 with code 480 Level control on rear axle

AR46.30-P-0010PV

 Danger!

Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running

Secure vehicle to prevent it moving off.

Wear closed and close-fitting work clothes.

Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

8

Start engine

9

Increase engine speed to approx. 1000 rpm

10

Close throttle cock (039a) and check maximum operating pressure.

 Only carry out the test briefly so that the oil temperature does not rise unacceptably.

Pressure in power steering pump

*BE46.30-P-1001-01C

11

Turn off engine

12

Suction off oil from expansion reservoir of power steering



*210589007100

13

Detach testing unit (039)

14

Detach connection fitting (040a) and connecting hose (040b)



Install

15

Replace seal rings in high-pressure expansion hose (30i).

16

Screw high-pressure expansion hose (30i) onto power steering pump

See Remove/install power steering pump:

Model 203 with engine 112, 113 without code 480 Level control on rear axle
Model 209 with engine 112, 113

AR46.30-P-0500P

Model 203 with engine 272 without code 480 Level control on rear axle
Model 209 with engine 272, 273

AR46.30-P-0500QB

Model 203 with code 480 Level control on rear axle

AR46.30-P-0500PV

Model 209 with engine 156

AR46.30-P-0500GZS

17

Fill power steering pump and bleed

Model 203 without code 480 Level control on rear axle
Model 209

AR46.30-P-0010P

Model 203 with code 480 Level control on rear axle

AR46.30-P-0010PV

18

Check leaktightness of power steering and power steering pump when engine is running

Number

Designation

Model
203 with engine
112, 113, 272

Model
209
with engine
112, 113, 156, 272, 273

BE46.30-P-1001-01C

Pressure in power steering pump

bar

120...128

120...128