Daewoo D70S-2 - Page 51

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Piston Ring and Piston Ring Groove Clearance
Measure the piston ring and the piston ring groove
clearance with a feeler gauge.
Measure it around of the piston.
Replace the piston ring if the measured value is out of
the specified limit.
¥
Piston Ring and Piston Ring Groove Clearance
EJM2080S
EJM2081S
Standard Limit
Top Ring 0.085-0.110 mm 0.20 mm
2nd Ring 0.030-0.055 mm 0.15 mm
Oil Ring 0.030-0.070 mm 0.15 mm
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Piston Ring Gap
1) Horizontally assemble the piston ring into cylinder
liner.(original place).
2) Push inverted piston ring to be reached (1) & (2)
The cylinder liner diameter is the smallest at these
two points.
Perfectly horizontalize to be set up without a slant.
Cylinder Liner Measuring Point (1) ; 10mm
Cylinder Liner Measuring Point (2) ; 130mm
3) Measure piston ring gap with a feeler gauge.
Replace piston ring if the measured value is out of
the specified limit.
EJM2082S
Standard Limit
Top Ring Gap 0.25-0.45 mm 1. 50 mm
2nd Ring Gap 0.20-0.40 mm 1. 50 mm
Oil Ring Gap 0.20-0.40 mm 1. 50 mm