Cylinder Block - Assembly
EM-246prose procedureCD20: selective top ring procedure when installing new top ring or replacing cylinder block.
Assembly
PISTON
Numbers stamped on connecting rod and cap correspond to each cylinder. Care should be taken to avoid a wrong combination including bearing and connecting rod direction.
Install new snap ring on one side of piston pin hole.
When assembling piston and connecting rod with piston pin, heat piston to between 60 and 80°C (140 and 176°F) and install piston pin with a suitable tool.
Install new snap ring.
After assembling, ascertain that piston swings smoothly.
Install piston rings with a suitable tool.
CD20 selective top ring; When installing new top ring or replacing cylinder block, select top ring to adjust ring gap.
CD20 top ring selection
Top ring grade No.
1, 2, 3No mark
4, 5S
CRANKSHAFT
- 1Set main bearings in the proper position on cylinder block and main bearing caps.If either crankshaft, cylinder block or main bearing is reused again, it is necessary to measure main bearing clearance.Upper bearings (cylinder block side) have oil groove.
SEM617