Repair Manual MSG 90.6PG Commercial Vehicles, Omnibuses – November 2017
Material no. 1153450_c
3.23 Valves for lumbar support and lateral support adjustment –
removal and installation
Page 2 of 4
1 Lift off the seat cushion in position for
repair (Chapter 3.1).
2 Remove the left covering in position
for repair (Chapter 3.4).
ATTENTION Hydrostatic test!
The hydraulic test of the suspension
should be performed upon installation of
the valve unit (10).
Removal and installation
3 Pull off three hose nozzles (5) at the
air hoses (1, 2, 3) and one hose
nozzle (11) at the air hose for air
intake (4) and push them backwards.
11
10
2210
5
1
1
1
5
5
5
5
7
8
9
5
5
6
6
6
4
4
4
11
11
2
2
7
10
10
8 9
2
3
3
3
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