Disassemble/assemble suspension strut

AR32.25-S-1018P

Disassemble/assemble suspension strut

18.12.2018

Model

470, 471

1

Suspension strut

2

Spring

3

Spring retainer

4

Nut

5

Piston rod

6

Washer

2

Spring

3

Spring retainer

4

Nut

5

Piston rod

6

Washer

7

Elastomer bearing

8

Sleeve

9

Spring seat

10

Shock absorber

11

Protective tube

12

Spacer

13

O-ring

 Warning

Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under tension

Use only approved tensioning devices; additionally screen off hazardous area if necessary. Check special tools for damage and proper operation (visual inspection). Wear protective gloves.

AS00.00-Z-0001-01A

 

Disassemble/assemble

1

Remove suspension strut (1).

AR32.25-S-1017P

2

Clamp tensioning device in the vise and insert clamping plates.

 Clamping plate

*230589116300

 Tensioning device

*203589013100

3

Insert suspension strut (1) into tensioning device.

  Fit clamping plates so that at least five spring coils are clamped afterwards.

 Clamping plate

*230589116300

 Tensioning device

*203589013100

4

Clamp spring (2) until the spring retainer (3) is unstressed.

5

Unscrew nut (4).

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Note on calculation of tightening torque when using insertion or socket tools with various effective lengths

AH00.00-P-0015-01CW

 When doing so, counterhold piston rod (5).

 Nut, spring retainer to piston rod

*BA32.25-N-1002-04P

6

Remove washer (6).

7

Remove spring retainer (3) with elastomer bearings (7) and sleeve (8).

 Assembly: The notch (arrow A) on the spring retainer (3) must align with the lug (arrow B) on the spring seat (9).

8

Remove spring seat (9).

9

Remove shock absorber (10) with protective tube (11), spacer (12) and O-ring (13).

10

Remove protective tube (11) from shock absorber (10).

11

Remove spacer (12) from piston rod (5).

12

Remove O-ring (13) from shock absorber (10).

13

Check components of suspension strut (1) for damage and wear.

If corresponding findings are present,



replace damaged or worn components.

14

Move tensioning device to removal position and remove spring (2).

When replacing the spring (2).

 Only replace the springs(2) in pairs.

 Clamping plate

*230589116300

 Tensioning device

*203589013100

15

Dispose of shock absorber (10) properly.

When replacing the shock absorber (10).

 Only replace the shock absorbers(10) in pairs.

16

Assemble in the reverse order.

 Suspension struts

Number

Designation

Model 470, 471

BA32.25-N-1002-04P

Nut, spring retainer to piston rod

Nm

41