TE450 SM service manual.pdf - Hyosung

3-31 ENGINE▣ PISTON RING-TO-GROOVE CLEAR-ANCE INSPECTIONRemove carbon deposit both from the piston ring andits groove.Fit the piston ring into the groove. With the ring compressedand lifted up, measure the clearance on thebottom side of the ring using a thickness gauge.If any clearance reading exceeds the service limt,replace both the piston and piston rings.Piston ring-groove clearance1st2ndPiston ring groove width1st2ndOilPiston ring thickness1st2ndService limit0.150 mm (0.006 in)0.150 mm (0.006 in)Standard1.21~1.23 mm(0.0476~0.0484 in)1.01~1.03 mm(0.040~0.041 in)2.01~2.03 mm(0.079~0.080 in)Standard1.170~1.190 mm(0.0461~0.0469 in)0.970~0.990 mm(0.0382~0.0390 in)Micrometer(0~25 mm) : 09900-20201Thickness gauge : 09900-20806CONROD▣ CONROD SMALL END INSIDE DIAME-TER INSPECTIONUsing a dial calipers, measure the conrod small endinside diameter both in vertical and horizontal directions.If any of the measurements exceeds the service limit,replace the conrod.Conrod smallend I.D.Standard19.006~19.014 mm(0.7483~0.7486 in)Service limit19.040 mm(0.7496 in)Dial calipers : 09900-20605