Westfalia 304 054 Instructions De Montage page 6

Check the ball diameter from time to time.
As soon as a diameter of 49.0 mm is reached at any given point, the CBB may no longer be used
for safety reasons.
The fixing points specified as standard must be observed.
National guidelines concerning official approval of auxiliaries must be observed.
These installation and operating instructions must be enclosed with the vehicle papers.
General Installation Instructions:
If present, remove insulating compound and/or underseal in the area of the CBB contact
surfaces. Coat bare bodywork with anti-corrosion paint.
Mount 7-pin electrical system as per DINV 72570.
Mount 13-pin electrical system as per ISO 11446.
Retighten all mounting bolts of the CBB after approx. 1,000 towing km.
This CBB including all mounting parts weighs 16,5 kg. Please take into account that the curb
weight of your vehicle is increased by this amount after mounting the CBB.
Parts of Coupling Ball with Bracket
Item Description
1 CBB basic component
2 Strut - left
3 Strut - right
4 Tow bar
5 Socket holder
6 Hexagon bolt M 12 x 70, strength class 10.9
7 Hexagon bolt M 10 x 95, strength class 8.8
8 Hexagon bolt M 10 x 30, strength class 8.8
9 Hexagon bolt M 8 x 25, strength class 10.9
10 Hexagon nut M 12, strength class 10
11 Hexagon nut M 10, strength class 8
12 Washer 13 x 24 x 2
13 Washer 10.5 x 30 x 3
14 Washer 8.5 x 24 x 2
15 Spacing plate, thickness 8
16 Spacing pipe, 15.8 x 10.2 x 51.5, length
17 Mounting and operating instructions
18 Protective cap for ball
6
Qty.
1
1
1
1
1
2
4
4
2
2
8
3
12
2
4
4
1
1