Front Fork - Sym DD 50 Service Manual

Front Fork

Removal
Handle
Front wheel
Front shock absorber
Remove the steering stem mounting nut.
Remove top cone race and front fork.
Caution
Place the steel ball onto a parts container to
prevent from missing.
Slightly tap the top and bottom ball bearing seats
with a plastic hammer to remove the seats.
Remove bottom cone race body with a punch.
Caution
Do not damage the steering stem.
Installation
Install a new bottom cone race onto the steering
stem.
Push the cone race until to mounted position.
Caution
Do not tilt the ball bearing seats as installation.
Apply with grease onto the ball bearing seats,
and install steel balls onto the seats.
(Top: 26 balls, bottom: 29 balls)
Lubricate the top cone race seat with grease.
Screw the cone race in to top ball bearing seat till
touching, and then screw out the cane race
1/4~3/8 turns.
Torque value: 0.25kgf-m
Caution
Check the steering stem that should be rotated
freely and no clearance in vertical direction.
This chapter Contents
13. STEERING/FRONT WHEEL/SUSPENSION
Steering stem
mounting nut
Steering lock nut
Top cone-race
Steering stem mounting nut
Top cone race
Top ball
bearing seat
Bottom ball
bearing seat
Bottom cone race
Return 1/2 turns
Top cone race
Steel balls
Locking to
1/4~3/8 turns
13-9