ar4680w0002a

Remove/install centering cylinder

Type ar · topic 46.80 · version 0107 · 2014-04-02

Applies to: MODEL 950.20/213/214 with STEERING GEAR 765.894 with CODE WH9 (Hydraulic positively steered trailing axle (Paul)) Model designation 739.520

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 950 (models 20*, 213, 214)

EinPAS 22 Steering › 22.20 Auxiliary steering › 22.20.32 Cylinder — Series 950 (models 20*, 213, 214)

Also applies to engines/gearboxes: 765 894

AR46.80-W-0002A

Remove/install centering cylinder

6.3.14

MODEL

950.20/213/214 with STEERING GEAR 765.894

with CODE WH9 (Hydraulic positively steered trailing axle (Paul))

Model designation 739.520

Modification notes

25.2.14

"Check straight-ahead position of additional steering axle using wheel alignment equipment; adjust if necessary" added.

Operation step 6

25.2.14

"Tighten clamps on tie rod ends of centering cylinder (1)" added.

Operation step 7

Remove/install centering cylinder

1

Centering cylinder

2

Hydraulic line (synchronization line)

3

Castle nut

4

Hydraulic line

5

Hydraulic line

6

Castle nut

7

Cotter pin

8

Pitman arm

9

Bracket

W46.80-0014-06

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

Remove/install

1

Depressurize hydraulic system

Open hydraulic line (5) on centering cylinder (1) slowly and collect any hydraulic fluid which runs out in a suitable container.

2

Detach hydraulic lines (2, 4, 5) from centering cylinder (1)

Union nut, hydraulic line to centering cylinder

*BA46.80-N-1004-01A

3

Detach centering cylinder (1) from bracket (9) and steering arm (8)

Installation: Secure the castle nuts (3, 6) with a new cotter pin (7).

Nut, ball joint to bracket (centering cylinder)

*BA46.80-N-1009-01A

Nut, ball joint to steering gear pitman arm (centering cylinder)

*BA46.80-N-1008-01A

4

Install in the reverse order

5

Bleeding air from auxiliary steering circuit

AR46.80-W-0004A

6

Check straight-ahead position of additional steering axle using wheel alignment equipment; adjust if necessary

Only if a new centering cylinder (1) has been installed.

Pay attention to manufacturer's operating instructions.

7

Tighten clamps on tie rod ends of centering cylinder (1)

Only if a new centering cylinder (1) has been installed.

Nut, clamp to ball joint (centering cylinder)

*BA46.80-N-1010-01A

Rear axle auxiliary steering (HZL)

Number

Designation

MODEL 950.20 except CODE A00 except CODE AN9, MODE 950.213/214 except CODE A00

BA46.80-N-1004-01A

Union nut, hydraulic line to centering cylinder

Nm

80

Rear axle auxiliary steering (HZL)

Number

Designation

MODEL 950.20 except CODE A00 except CODE AN9, MODE 950.213/214 except CODE A00

BA46.80-N-1008-01A

Nut, ball joint to steering gear pitman arm (centering cylinder)

Nm

250

Rear axle auxiliary steering (HZL)

Number

Designation

MODEL 950.20 except CODE A00 except CODE AN9, MODE 950.213/214 except CODE A00

BA46.80-N-1009-01A

Nut, ball joint to bracket (centering cylinder)

Nm

250

Rear axle auxiliary steering (HZL)

Number

Designation

MODEL 950.20 except CODE A00 except CODE AN9, MODE 950.213/214 except CODE A00

BA46.80-N-1010-01A

Nut, clamp to ball joint (centering cylinder)

Nm

45

Referenced documents