Page 4 - BPW axles with air suspension Series O SL AL

BPW axles with air suspension

2 Contents

Page

1. Introduction / notes 3

2. Contents 4 - 5

3. Design description

3.1 Tri-axle unit with self-steering axle 6 - 7
3.2 Equipment features for BPW air-sprung running gear 8 - 9
3.3 Straight-line driving 10
3.4 Forces when braking 11
3.5 Cornering 12
3.6 Tri-axle unit: Turning when stationary 13

4. Air suspension hanger brackets

4.1 BPW air suspension hanger brackets - Airlight II air suspension 14 - 15
4.2 BPW air suspension hanger brackets - SL air suspension 16
4.3 BPW channel crossmember - Airlight II- and SL air suspension 17
4.4 BPW hanger brackets - attachments 18
4.5 Examples of air suspension hanger brackets / channel crossmembers /
struts

4.5.1 Struts / Airlight II air suspension 19
4.5.2 Struts / SL air suspension 20
4.5.3 Struts / SL air suspension 21
4.5.4 Struts / channel crossmember 22
4.5.5 Struts / bolted or welded aluminium air suspension 23
hanger brackets
4.5.6 Struts / bolted steel air suspension hanger brackets 24 - 25

5. Spring bolt mountings 26 - 27

6. Air bags

6.1 Variations 28
6.2 Air bags with offset 29
6.3 Air bags centrally mounted 30
6.4 Air bags with split piston (combination air bag) 31
6.5 Notes on air bag installation 32
6.6 Airlight Direct 33 - 34

7. Guidelines for installing air suspension axles

7.1 Welding guidelines for mounting air suspension axles / loose
hanger brackets 35
7.2 Welding guidelines for axle beams 36
7.3 Axle connection 37

7.3.1 Overslung suspensions 38 - 39
7.3.2 Underslung suspensions 40 - 41

4 BPW-EA-Luft 1023701e