Daewoo D70S-2 - 2.3.11. Connecting Rod

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¥
Connecting Rod Alignment
Measure the alignment between big end and small
end with connecting rod balancer.
Replace the connecting rod if the measured value is
out of the specified limit.
Connecting Rod alignment ( at 100 mm distance)
¥
Piston Pin and Small End Bushing clearance
Measure the inside of small end bushing and outside
of pin with the caliper gauge and micrometer.
Replace a connecting rod bush or piston pin if the
measured value is out of the specified limit.
¥
Disassembly of Connecting Rod Bush
1) Fix connecting rod with a vice.
2) Pull out connecting rod bush with brass rod and the
Press or hammer.
¥
Assemble of Connecting Rod Bush
Use special jig when assemble connecting rod bush.
Align connecting rod bush oil
port and connecting rod oil port.
3) Grind the piston pin hole with grinder or adjustable
pilot reamer.
EJM2087S
EJM2088S
EJM2089S
EJM2090S
2.3.11. Connecting Rod
Standard Limit
Alignment 0.05 mm 0.20 mm
Standard Limit
Clearance of Piston Pin & Bushing 0.010-0.030 mm 0.05 mm
Standard
Connecting Rod Bush Inside Diameter 35.017-35.025 mm