Page 26 - BPW axles with air suspension Series O SL AL

BPW axles with air suspension

5 Spring bolt mountings

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Spring bolt head in M M 3300
square turning lock
In BPW air suspension axles fitted with non-ad-
justable hanger brackets, the head of the spring bolt
is secured in a square recess to prevent turning.
The spring bolt should be mounted from the out-
side (wheel side) towards the inside.
Use the washers shown in the figures during mount-
Spring bolt
ing.
Tightening torques, see last page.

Wear discs
Welded bush with
internal square socket

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Square torsion lock
From the September 2007 build year onwards, all
Airlight II air suspension units will be provided
with a modified spring bolt mounting. The former
functional principle of the mounting with integrat-
ed track adjustment is maintained in this case.
The following components are modified:

- Spring bolt and nut (M 30 to M 24)
- Welded bushes in the hanger bracket (for Ø 24)
- Wear discs (for Ø 24)
- Connecting link discs (for Ø 24)
- Disc (for Ø 24)

Welded bushes
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b brraacckkeettss MM 2244 // MM 3300
Disc
In BPW air suspension hanger axles fitted with
adjustable hanger brackets, the head of the spring
bolt is secured to prevent it from turning by means
Spring bolt of a square profile in the connecting link disc. The
spring bolt should be mounted from the outside to-
wards the inside. When mounting, use the washers
and connecting link discs shown in the figures.
Make sure that the correct wear discs are used (see
Wear discs page 27).
Connecting link discs
Tightening torques, see last page.

26 BPW-EA-Luft 1023701e