Page 50 - BPW axles with air suspension Series O SL AL

BPW axles with air suspension

10.1 BPW air suspension installation

The necessary installation kit and installation drawings are supplied by BPW for the appropriate applica-
tion. BPW installation drawings identify the valves using the ISO illustration method.
The figures and letters that are enclosed in a box in the installation drawings are identical to the identi-
fication codes on the valves themselves, thereby simplifying the installation substantially. The BPW air sus-
pension is only as good as its installation. If installed incorrectly, the BPW warranty becomes null and
void.
The air suspension is fed via an overflow valve (6 bar) from the compressed air braking system. The air
tank pressure is approx. 7.5 to 8.5 bars. An air supply of 20 litres is required for each axle, lifting and
lowering demands correspondingly more. Without an appropriate air supply there is a risk for safety as no
air will remain for the air suspension if the brake system has a high air consumption. To achieve good
axle load equalisation, the air lines connecting the air bags must not have an internal diameter of less
than Ø 8 (e.g. Ø 12 x 1.5 or Ø 10 x 1).

Example for air suspension installation:
Fülleitung
1
air supply line Tri-axle suspension, without lifting and
conduite d'alimentation d'air
120 lowering, with axle lift device and LL
i, k, 410, i, k self-steering axle.
031
2
i, k, 311
i, k, 410, i, k
180 l, 200, l
i, k, 432
i, k i, k, 304
i, k, 333 2
039
Hebebalg
i, k, 312 i, k, 312
lift air bag 048
coussin d'air de relevage d'essieu i, k, 304 1
l, 200, l
l, 200, l
i, k, 304 092
g, h, 309 g, h, 309
22 20 24
m, 201, m g, h, 309 m, 201, m
21 23
g, h, 303 g, h, 309
i, k, 432 121 135 1 3
l, 200, l m, 201, m
41
g, h, 303
i, k, 304 42
m, 201, m
i, k, 432 i, k
039
341 341
l, 200, l l, 200, l
c, d, 440
c, d, 301
150
l, 200, l 004
i, k, 323 154
i, k, 323
l, 200, l
c, d, 320
m, 201, m 361 m, 201, m
361
186
3
1
022
2 c, d, 301
zum Schalter Lenksperre
145 to the switch steering lock
2 077 1 l, 200, l
g, h, 303
Anschluß 8 für Anschluß 8 für
i, k, 322 ALB - Regler l, 200, l i, k, 304 ALB - Regler i, k, 322
Connection 8 for i, k, 304 Connection 8 for
load sensing valve Entlüftung load sensing valve
raccord 8 pour Exhaust
le correcteur
50 BPW-EA-Luft 1023701e