Witter AD52U Instructions De Montage

Fitting
Instruction
s
MATERIALS
A 1 Main frame
B 2 Side arms
C 2 M12 X 40 X 1.75 Bolts, Lock washers, 30mm Flat washers, Cage nuts and Cage nut Retainers.
D 4 M12 X 40 X 1.75 Bolts and Flange Nuts.
E 2 M12 X 40 X 1.75 Bolts Flange Nuts and Flat washers (30mm).
ZE 1 Retractable Electrical Plate.
ZN 1 Neck Option
This towbar must be used with either a Witter Towball (part number Z11) or Class A50-1 or A50-X towball, which dimensionally
conforms to A50-1 with a 'D' and 'S' value greater than or equal to that of the towbar.
FITTING
1. Remove the lower section of the bumper only.
2. Undo the four tip screws inside the wheel arches on both sides and the single screw below also remove the two larger
headed screws either side of the central aperture of the lower bumper.
3. Carefully remove the lower part of the bumper by easing the retaining clips apart starting at the wheel arch and working
towards the centre of the vehicle.
4. When Lower bumper is removed undo the bolts which attach the Bumper beam (two bolts on the left side and four on
the right) Return the removed Bumper beam to the Customer.
5. Insert the side arms down inside the chassis (with assembled cage nuts and retainers) using fixings C in forward holes
and fixings E in the rearmost holes (Do not fully tighten the fixings yet).
6. Loosely attach the main crossbar A with fixings D Attach neck option.
7. Fully tighten all fixings to correct torques.(Note if a detachable neck is being fitted it may be advisable to fit and torque the
detachable housing and Electrical plate before replacing the lower bumper section).
8. Replace the Lower bumper section and fit chosen neck option through large aperture in the bumper.
9. Fully tighten all loose fixings.
Recommended torque settings: Grade 8.8 bolts: M8 - 24Nm, M10 - 52 Nm, M12 - 80 Nm, M14 - 130 Nm, M16 -
200 Nm Grade 10.9: M12 – 120Nm, M10 – 70Nm M8- 35Nm
µW0001AD52U-FIT$011204180000jÄ
W0001AD52U-FIT$011204180000
TOWBAR
AD52U
For Audi Q3