Sym Mio 50 Service Manual page 174

With a plastic hammer tap the steering column
slightly, and then remove the top ball bearing seat.
Remove the lower-end cone bearing seat on the
frame with a punch.
Caution
Do not damage the frame and the steering
column.
Installation
Install a new top-cone bearing seat onto the top of
steering column.
And then, push the lower-cone bearing seat from
bottom until to locking position.
Caution
Do not let the ball bearing in tilt motion as
●
installation.
Apply with some grease onto the top & bottom
bearing balls, and then install the balls into bearing
seat.
Press in a new lower cone-race onto the steering
column, and lubricate it with grease.
Install the steering column.
Lubricate the top-cone race with grease.
Drive the cone-race into the steering column until
contact with the top bearing seat no clearance.
Note, return 1/2 turn and then tighten the top cone
race to specified torque. (tighten the race around
1/4~3/8 turn more.)
Torque value: 0.2~0.3kgf-m
Caution
Do not tighten the top cone race too tight to
●
prevent from damage the ball bearing seat
when tightening the top cone race.
Install the steering column nut and lock the top
cone race. Then, tighten the nut.
Torque value: 1.0~2.0kgf-m
Install the bearing seat according to the reverse
procedure of removal.
Caution
Check the steering column if it can be turned
●
freely and no clearance in vertical motion.
To this chapter contents
14. Steering / Front Wheel / Front Cushion
Lower ball bearing seat
Lower cone-race
Steering
column nut
Top cone-race
Steering column nut
Steering column nut
Balls
Top
cone-race
Top ball bearing seat
Return 1/2 turns
Locking to 1/4~3/8
turns
Balls
Top cone-race
14-11