HYOSUNG 2010 ST7 Service Manual page 217

8-13 CHASSIS
Using compressed air, push out the caliper pistons.
WARNING
Place a rag over the pistons to prevent it from
popping out and flying and keeping hand off
the piston.
Be careful of brake fluid which can possibly
splash.
Do not use high pressure air but increase the
pressure gradually.
Remove the dust seals ① and piston seals ②.
CAUTION
Care not to cause scratch on the cylinder bore.
Do not reuse the piston seal and dust seal that
have been removed.
CALIPER INSPECTION
Inspect the caliper cylinder wall and piston surface for
scratch, corrosion or other damages.
If any abnormal condition is noted, replace the caliper.
①
②