44
MS 271 C, MS 291 C
6.8
Piston Rings
– Remove the piston,
b
6.7
– Remove the piston rings from the
piston.
:
Use a piece of old piston ring to
scrape the grooves (arrows)
clean.
:
Position the new piston rings so
that the radii face
upward (arrows).
5902RA160 TG
5902RA161 TG
– Carefully fit the piston rings over
the piston
– they might otherwise break.
:
Install the piston rings so that the
radii at the ring gap meet at the
fixing pins in the piston
grooves (arrows).
:
Check correct installed position
of the piston rings (arrows).
– Install the piston,
b
6.7
– Reassemble all other parts in the
reverse sequence.
5902RA162 TG