Available Spare Parts for Coupling Ball with Bracket
Spare Part No.
913 121 650 001
913 121 611 001
Parts of Coupling Ball with Bracket
Item
Description
1
CBB basic component
2
Reinforcement, left
3
Reinforcement, right
4
Fishplate
5
Washer 10,5 x 25 x 4
6
Nut M 10, strength class 8
7
Bolt M 12 x 1,5 x 70, strength class 10.9
8
Mounting and operating instructions
Installation Instructions:
1.)
Remove the rear bumper.
2.)
Remove the trim from the centre section of the rear panel and the left and right side panels in the
luggage compartment
3.)
Remove the spare wheel.
4.)
Underneath the vehicle, remove the underseal around the areas where the towbar will make contact with
the ends of the rear cross member "c".
5.)
Predrill the drilling points marked by a prick-punch to Ø 13 mm and then drill them out to Ø 18 mm.
6.)
Insert reinforcements "2" and "3" into the frame side members from within the luggage compartment.
Note: The reinforcements are marked R and L for the right- and left-hand side.
7.)
Insert fishplates "4" at fixing points "b" and pretighten by hand with the 10.5 x 25 x 4 washers and M 10
nuts.
8.)
Align the reinforcements in such a way that the bolting points "a" align with the holes drilled in the
vehicle.
9.)
Bolt CBB basic component "1" loosely at fixing points "a" using the M 12 x 1.5 x 70 bolts.
10)
Align the CBB
11.) Tighten all nuts and bolts to the specified torque:
Tightening torque for M 10
Tightening torque for M 12
12.) Refit/replace all the parts removed.
Description
Mounting parts, items 4 - 8
Reinforcement, items 2, 3
40 Nm
95 Nm
313 121 691 101 - 002
Qty.
1
1
1
2
4
4
4
1
Subject to change.
19