See also
Slot packing system
Refitting the piston rings
- Pistons (like cylinders) are supplied in 4 catego-
ries: A, B, C and D, and must be fitted so that the
reference arrow faces the exhaust duct. The letter
is found at the centre of the piston.
- Fit the sealing rings with the word TOP or the
identification letter facing upwards. In any case,
the step must be facing opposite the piston crown.
- Sealing rings are manufactured with a cylinder
contact conical cross-section and piston gaps
must be offset by 120° in order to obtain a better
bedding.
- Lubricate rings with engine oil when fitting them.
Refitting the cylinder
N.B.
BEFORE FITTING THE CYLINDER, CAREFULLY BLOW OUT THE LUBRICATION DUCT AND OIL
THE CYLINDER LINER.
Beverly 300 i.e. Engine
ENG - 145
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