AP31.11-P-3121-02BB Checking Function of Ball Neck

AP31.11-P-3121-02BB Checking Function Of Ball Neck
- with CODE (550) Trailer hitch







1. Visual inspection for mechanical damage.
2. Pull out the hand wheel and turn toward "red," continuing until it latches.
3. Slide the ball neck vertically into the ball neck support, continuing until the ball neck locks automatically.
The green marking on the hand wheel must align with the white marking on the ball neck.

4. Disconnect hand wheel.
It must not be possible to pull the hand wheel outwards.

5. Remove ball neck after checking.