Page 70 - Catalog spare parts BPW LUFT

Auto Parts / BPW-EL-Luft 31051601e Page 69

BPW Air bags 4

General

Determining replacement air bags

O
1. Clarifying design
Standard air bag or split air bag (combination
air bag)
SL

Ø 300 BPW 30 for stroke 200 mm
BPW 30 K for stroke 180 mm
AL
Ø 360 BPW 36 for stroke 200 mm
BPW 36 K for stroke 180 mm AC
BPW 36-1 for stroke up to 340 mm
BPW 36-2 for stroke up to 450 mm

BPW 36-5 for stroke up to 380 mm

The air bag design type and BPW code no.
are moulded into the rubber component of the
assembly.

2. Determining the type of air connection
Air connection formed into the top cover plate or
the hollow stud bolt.

3. Air bag attachment
Top air bag attachment in middle of bag or off set
to the side?
Measure the position of the top bag attachment on
the frame in relation to the bottom bag attachment

on the trailing arm (the maximum lateral offset
between the top and bottom bag attachment is not
allowed to exceed 10 mm).
The top and bottom bag attachments must not be
installed with any rotational misalignment!
Bottom attachment with 2 locking screws or one
central screw?

4. Old version of air bags
Complete air bags of the older version, air bags with
aluminium pistons and internal aluminium support as
well as split bags with glass fi brereinforced plastic
taper (BPW 36) are no longer available.
If replacement is required, change over to BPW air
bags with glass fi bre-reinforced plastic piston.
The most common spare parts for older air bags
with steel piston are still available.

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