1183 / 1906
BRAKES
46
INSPECTION :
After thoroughly cleaning with fresh brake fluid
examine all parts for damages and corrosion.
Piston :
Outer surface should be free from nicks, score or
rust and should feel smooth to touch. Do not use
emery paper on piston surface.
Caliper Housing :
Bore should be free from score, pitting and
corrosion. The seal groove in the bore should be
thoroughly cleaned and there should be no nicks
at the edges. If the above conditions are quite
satisfactory then replacement with appropriate kit
will give satisfactory performance. If not the
caliper assembly should be replaced.
Sliding Pins :
Sliding pins should be free from rust, bends and
sliding pin dust covers should be soft and free
from cracks or puncture if required replace them.
Assembly :
1 Smear the sealing ring with fresh brake fluid,
fit it on to the groove in the caliper pot and
work around with fingers until it is properly
seated. Smear fresh brake fluid on to the
piston surface. Fit dust boot in to the caliper
groove.
2 Assemble seal and boot in the respective
groove. Apply compressed air at low pressure
(@ 2 bar)
through the supply port of caliper.
Locate the piston on boot the airflow will get
restricted and dust boot will inflate on all
sides.
3 Make sure all sides of the boot have covered
the piston. Insert the piston by pushing the
hand bar against air pressure through caliper,
so that piston can be pushed into the housing
easily.