Rear Drum Brake - Sym Jet 50 Service Manual

11. BRAKE SYSTEM

Rear Drum Brake

To use vacuum cleaner or other alternatives to
avoid danger caused from dusts.
Caution
Inhaling brake lining ashes may cause
disorders of respiration system, therefore,
never use compressed air or dry brush to
clean brake parts.
Brake performance will be reduced by
grease on brake lining.
Remove wheel and brake drum.
Inspection
Check brake drum for damage or wear out, and
replace it if necessary.
Measure the inner diameter of brake drum and
record the max. value.
Allowable limit: rear (110.5mm)
Caution
Clean the rust onto the brake drum with
#120 sand-paper.
Measure the inner diameter of brake drum
with micrometer.
Measure the thickness of brake lining at three
points (both ends and center).
If the thickness is less than specified value or if
it is contaminated by oil or grease, replace as a
set.
Service limit: Rear: 2.0 mm
Removal
Caution
Brake linings must be replaced as a shoes.
Remove the brake linings from brake panel.
11-10
This chapter Contents
Rear brake drum
Brake lining
Brake shoes
Brake shoe spring