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ENGINE 273 MPFI
Dismantling PistonAssembly &Removal of Piston
Rings:
•
Remove piston pin circlips using suitable circlip
piler.
•
Remove piston pin from the piston by gently pushing
it out. Use soft drift, if required.
•
Remove piston rings frompiston using suitable ring
expander
•
Remove carbon deposits from piston.
NOTE
In case cylinder bore taper and ovality is within
specified limit, then same piston and piston rings
may be reused.
Examine pistons for cracks, scoring, other
damages, ring groove wear, piston pin bore wear,
spring clip groove wear/damage etc.
In case of any defect with any one piston, complete
piston set should be replaced.
Examine piston rings for scoring, lateral clearance
in piston ring groove and butt clearance in cylinder
bore.
•
Clean piston and piston rings thoroughly.