GENUINE HOOLIGAN 170i, Руководство по обслуживанию

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Engine / Reverse differential gear -
5
D. Dismaniling cylinder, piston
a. Dismantling piston
1.Remove the piston pin clip.
NOTICE:
2.Remove the piston pin and take off
the piston.
3.Check piston, piston pin, piston ring.
4.Remove the piston ring
NOTICE: NOTICE:
5.Clean the carbon in the groove of the piston ring.
b. PISTON OUTER DIA MEASUREMENT:
1.Measuring location:
Perpendicular to the piston pin hole, down to
7mm form the piston skirt.
2.The clearance between the piston and piston pin:
3.Checking any wearing, damage inside the cylinder.
Vertical to piston pin, and in X-Y direction to
measure cylinder bore from the upper, middle and
lower location.
4.The maximum clearance between the cylinder and
piston pin.
5.The difference between the X and y is the roundness.
6.The cylindrility is the max value of the difference
between the upper, Middlle and lower position
of the inner dia in X or Y direction.
Dot’ drop the clip into the crankcase.
Don’t make piston ring worn out or damaged
Limit of use : change it when less than61.0mm.
Limit of use : change it when above 0.025mm
Limit of use : Change it when above61.10mm.
Limit of use : Change it when above 0.1mm.
Limit of use : Roundness:change it when above
0.05mm.
Cylindrility:change it when above
0.05mm.
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