Assemble of piston ring
Caution
● Put the manufacturer mark facing up when installation;
● Pay attention to the installation positions of 1
st
and 2
nd
ring.
● Check if the piston ring can rotate freely after installing.
● All openings of piston ring should be kept away from the direction of piston pin with 120 degree angle.
10.2 Inspection
Inspection of low oil alarm
(1）Lift the low oil alarm and measure the conductivity between lead wire and copper grounding piece
using instrument.
2）Convert the low oil alarm and measure again, it should be not conductive.
3）Dip the low oil alarm into engine oil in order to inspect float, and measure again, it should be not
conductive.
●Noise and moving of shaft
Clean and dry the shaft, rotate the shaft manually and check the free gap; if any noise or moving, replace
the shaft.
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