sm4680w0010a

Replace oil pressure line between power steering pump and high-pressure filter upstream of flow-dividing valve

Type sm · topic 46.80 · version 0401 · 2015-11-13

Applies to: Model 963.020/021 with code A4X (Trailing axle, 7.5 t, steered, de-loadable) Model 963.020/021 with code A4Y (Trailing axle, 7.5 t, steered, de-loadable, liftable)

Where it sits

Function group 2 Chassis › 46 Steering › 46.80 Auxiliary rear axle steering, auxiliary steering axle (ZL), electro-hydraulic auxiliary steering (EHZ) — Series 963 (models 020, 021)

EinPAS 22 Steering › 22.15 Power steering › 22.15.31 Power steering pump/oil reservoir/filter — Series 963 (models 020, 021)

EinPAS 45 Data/information › 45.20 Information/measures › 45.20.40 Service measures — Series 963 (models 020, 021)

SM46.80-W-0010A

Replace oil pressure line between power steering pump and high-pressure filter upstream of flow-dividing valve

11.11.2015

Model

963.020/021

with code A4X (Trailing axle, 7.5 t, steered, de-loadable)

Model

963.020/021

with code A4Y (Trailing axle, 7.5 t, steered, de-loadable, liftable)

Modification notes

09.12.2013

Work procedure completely revised.

Operation no. of the operation texts or standard texts and flat rates

Category

Op. no.

Operation text

Time

Acc. no.

Code

N

028420

Replace oil pressure line between power steering pump and high-pressure filter upstream of flow-dividing valve

1,8 h

46 940 85

ASA-LTG

Replace oil pressure line between power steering pump and high-pressure filter  
	upstream of flow-dividing valve

W46.80-1172-08

1

Side soundproofing

4

Oil pressure line

7

Pressure connection (angled)

2

Front soundproofing

5

High-pressure filter (upstream of flow-dividing valve)

3

Clip

6

Oil pressure line

Danger !

Risk of death caused by vehicle slipping or toppling off during lifting

Only lift vehicle at the lift support points specified by the vehicle manufacturer.

AS00.00-Z-0032-01A

Danger !

Risk of injury to skin or eyes from hydraulic fluid spraying out under pressure.Risk of poisoning from swallowing hydraulic fluid.

Depressurize hydraulic system completely before starting any work on it. Wear protective clothing and safety glasses.

AS00.00-Z-0013-01A

Danger !

Risk of injury caused by body parts being pinched or crushed as cab is tilted

Ensure that no one is within the tilting range of the cab as it is being tilted. Always tilt the cab all the way to the end position and secure with the safety strut.

AS60.80-Z-0001-01A

Notes on maintenance and repair work

AH46.20-N-0001-01H

Special instructions for lifting and supporting vehicle

AH00.60-N-0100-01B

Notes on tilting the cab

AH60.80-N-0003-01A

Remove/install

1

Secure vehicle against rolling

2

Raise vehicle at front axle far enough so that wheels can turn freely, and jack up vehicle

3

Open maintenance flap

4

Tilt cab

5

Remove soundproofing under steering gear

6

Remove side soundproofing (1)

7

Remove front soundproofing (2)

8

Remove clamps (3) of oil pressure line (4)

9

Remove oil pressure line (4)

Collect escaping oil in a suitable container.
With regard to return shipment or scrapping of removed parts, please observe the information in your warranty system.

Installation: Replace oil pressure line (4).

Oil pressure line to power steering pump

*BA46.30-N-1002-01Q

Oil pressure line to fitting of hydraulic fluid filter upstream of flow dividing valve

*BA46.80-N-1008-02A

10

Remove oil pressure line (6)

Collect escaping oil in a suitable container.

Oil pressure line to fitting of hydraulic fluid filter upstream of flow dividing valve

*BA46.80-N-1008-02A

Oil pressure line to fitting of flow dividing valve

*BA46.80-N-1016-02A

11

Remove pressure connection (7)

With regard to return shipment or scrapping of removed parts, please observe the information in your warranty system.

Installation: Replace angled pressure connection (7) with straight pressure connection.

Fitting to hydraulic fluid filter upstream of flow dividing valve

*BA46.80-N-1006-02A

12

Install in the reverse order

13

Fill up steering gear oil and bleed

AR46.25-W-3001H

When bleeding the steering, check whether the additional steering axle is also self-steered.

14

Check connecting points of oil pressure lines (4, 6) for leaktightness

Visual inspection.

Power steering pump

Number

Designation

Model 963, 964 with engine 470.9

Model 963, 964 with engine 471.9

BA46.30-N-1002-01Q

Oil pressure line to power steering pump

Nm

60

60

Power steering pump

Number

Designation

Model 963, 964 with engine 473.9

Model 963, 964 with engine 936.9

BA46.30-N-1002-01Q

Oil pressure line to power steering pump

Nm

60

60

Auxiliary steering

Number

Designation

Model 963, 964 with code A4B, A4X, A4Y, A4Q, A4R, A4T, A4U

Model 963, 964 with code JAVA

BA46.80-N-1006-02A

Fitting to hydraulic fluid filter upstream of flow dividing valve

Nm

60

-

Auxiliary steering

Number

Designation

Model 963, 964 with code A4B, A4X, A4Y, A4Q, A4R, A4T, A4U

Model 963, 964 with code JAVA

BA46.80-N-1008-02A

Oil pressure line to fitting of hydraulic fluid filter upstream of flow dividing valve

Nm

60

-

Auxiliary steering

Number

Designation

Model 963, 964 with code A4B, A4X, A4Y, A4Q, A4R, A4T, A4U

Model 963, 964 with code JAVA

BA46.80-N-1016-02A

Oil pressure line to fitting of flow dividing valve

Nm

60

-

Parts ordering note

Part no.

Designation

Quantity

A 960 460 52 70

Oil pressure line

1

A 942 997 01 72

Pressure connection (straight)

1

Referenced documents