Height adjustable steering column

1 - pipe
2 - mounting platform. Before installation, the sliding parts are lubricated with graphite grease
3 - terminal sleeve
4 - bolt with special thread. Tightened with a tightening torque of 22 Nm
5 - backing plate
6 - control lever with internal thread
7 - mounting plate
8 - self-locking nut
9 - return spring, hung on the mounting platform and steering column
10 - rubber buffer
11 - shear safety bolt
12 - washer