Page 56 - BPW axles with air suspension Series O SL AL

BPW axles with air suspension

13.1 BPW Axle Lift Devices

G Geenneerraall D Deessiiggnnss
BPW air suspension axles can be equipped with
axle lift devices. With tandem suspensions, one axle Two-sided lift device Side axle lift device
can be raised
Can be used on all For raising the front,
axles, the space in middle or rear bogie
front of the air suspen- axle
sion hanger brackets
and in the vehicle
centre remains free

or max. two axles with tri-axle suspensions.

Middle axle lift Central axle lift
For raising the front, For raising the front,
middle or rear bogie middle or rear bogie
axle axle

W Wiitthh sseellff--sstteeeerriinngg aaxxllee

Vehicles with BPW self-steering axles, series LL,
a "rigid axle/steering axle ratio" of 1:1 is permitted.
With tri-axle bogies a rigid axle may also be raised
C Coonnttrrooll

Axle lift devices operate either electrically / pneu-
matically via an electric switch or manually / pneu-
matically via a manual valve (or automatically via a
compact valve).
LL
An overload protection device, which is a legal
requirement, is included in the BPW installation kit.
It is recommended to lift the front axle of a sus-
pension due to the improved ground clearance
(gradient of superstructure) and to the longer wheel R Reemmaarrkkss::
base, thus resulting in more stable driving charac-
teristics. BPW air suspensions and axle lift devices only op-
erate as well as the installation of the air suspen-
The statutory provisions regarding turning circle re- sion: The reliable functioning of the axle lift device
quirement must be observed! and the correct rolling of the air bags should be en-
sured by means of the air system and its activation
times.

The BPW warranty becomes null and void if the
system is installed incorrectly.

56 BPW-EA-Luft 1023701e