Zontes ZT310M 2022, Руководство по обслуживанию

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Installation
1. Apply a proper amount of engine oil to each piston ring and piston ring groove, and install the piston ring on the
corresponding groove.
Remarks:
①
Do not use the first air ring and the second air ring interchangeably.
②
When installing the air ring, the side with the mark face up (top of the piston).
③
Install the oil ring assembly, first install the wave-shaped liner ring, then install the lower side wiper ring, and finally
install the side wiper ring.
④
The first ring gap "a" is on the left side of the "
△
" EX mark, along the axial direction of the piston pin; the second
ring gap "b" is on the right side of the "
△
" EX mark, and the angle with "a" is 180°; lower side The gap "e" of the oil ring
wiper is at 45° between "
△
" EX and "b"; the angle between the gap "c" and "e" of the upper oil ring wiper is 180°; the
gap "d" of the oil ring lining ring is at The left side of "
△
" EX is perpendicular to the line of "c" and "e". (As shown
below)
First air ring
Second air ring
Corrugated
ring
Lower side
wiper ring
Upper side
scraper ring
1RP/1R marking
side
2R/RN marking
side
a .First ring gap
b.Second ring
c, The upper side oil ring wiper notch
d. Oil ring liner ring gap
e. Notch on lower side oil ring wiper
EX. Exhaust side (triangular
exhaust marking)
Exhaust side
Intake side
Piston
pin axis