ar3222p2011tx

Replace air suspension compressor elastomer bearing

Type ar · topic 32.22 · version 0105 · 2019-11-15

Applies to: Model 164, 166 with code 489 (AIRMATIC) Model 219 with code 489 (AIRMATIC) Model 292 with code 489 (AIRMATIC)

Where it sits

Function group 2 Chassis › 32 Suspension › 32.22 Air suspension — Series 164 · Series 166 · Series 219 · Series 292

EinPAS 20 Chassis › 20.16 Suspension › 20.16.31 Pressure generation/container/control block — Series 164 · Series 166 · Series 219 · Series 292

AR32.22-P-2011TX

Replace air suspension compressor elastomer bearing

15.11.2019

Model

164, 166

with code 489 (AIRMATIC)

Model

219

with code 489 (AIRMATIC)

Model

292

with code 489 (AIRMATIC)

Replace air suspension compressor elastomer bearing

P32.22-2354-09

Shown on model 219

1

Threaded rod

3b

Washer

3e

Compression spring

2

Bracket

3c

Stop buffer

A9/1

AIRMATIC compressor unit

3a

Stop buffer

3d

Protective sleeve

Remove

1

Remove AIRMATIC compressor unit (A9/1)


Model 164, 166, 292
with code 489 (AIRMATIC)

AR32.22-P-2001GZ

Model 219.3
with code 489 (AIRMATIC)

AR32.22-P-2001TX

2

Remove bracket for compressor


Model 219.3
with code 489 (AIRMATIC)

AR32.22-P-2009TX

Measure

3

Using vernier caliper, measure thread diameter of a threaded rod (1) at bracket (2) for AIRMATIC compressor unit (A91)

Replace the bracket (2) with thread M5.

4

Push stop buffer (3a) out of eyelet on AIRMATIC compressor unit (A9/1)


Always replace the stop buffer (3a) and attaching parts of the AIRMATIC compressor unit (A9/1).
Otherwise knocking and thumping noises can occur if the stop buffers (3a) and attaching parts are reused.

Install

5

Insert stop buffer (3a) into eyelet on AIRMATIC compressor unit (A9/1)

The raised section of the stop buffer (3a) must face downwards. The groove of the stop buffer (3a) must engage all round its circumference into the eyelet on the AIRMATIC compressor unit (A9/1).

6

Fit shim (3b) onto stop buffer (3a)

7

Slide stop buffer (3c) onto protective sleeve (3d)

The outer lip of the stop buffer (3c) must enclose the washer of the protective sleeve (3d) around its total circumference (arrow).

8

Mount push spring (3e) onto protective sleeve (3d)

The push spring (3e) is centered by a demolding on the stop buffer (3c).

9

Install bracket for compressor


Model 219.3
with code 489 (AIRMATIC)

AR32.22-P-2009TX

10

Install AIRMATIC compressor unit (A9/1)


Model 164, 166, 292
with code 489 (AIRMATIC)

AR32.22-P-2001GZ

Model 219.3
with code 489 (AIRMATIC)

AR32.22-P-2001TX

Referenced documents