hsr-benelli S-series Service Manual page 63

Check the value of (b).
NOMINAL VALUE
b = 19,002 ÷ 19,008 mm
NOTE:
If the play between the piston pin and the pin is
more than 0.03 mm, change the piston.
Mounting Piston Rings:
nd
Install the piston rings in the order: oil ring , 2 piston ring
, 1st piston rings.
The first element to insert into the slot of the oil ring
is the spacer (1). After having positioned the spacer, insert its
lateral rings (2).
NOTE:
The spacer and the lateral rings do not possess a
particular upper or lower side so they can be inserted
in any way.
WARNING:
When installing the spacer, pay attention so that its
ends are not superimposed in the cable.
ver.2009_03 Page 63/215