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Piston, Connecting Rod, and Bearing
Installation
Reference: "Piston and Connecting Rod Assemble: ".
Special tool
EN 46111 Crankshaft Rotation Socket
EN 46121 Connecting Rod Guide Pin Set
J 8037 Ring Compressor
J 43690 Rod Bearing Clearance Checking Tool
J 43690-100 Rod Bearing Clearance Checking Tool -
Adapter Kit
J 45059 Angle Meter
Piston and Connecting Rod Assembly
Procedure
1. Liberally lubricate the cylinder walls, piston rings and
piston skirts with engine oil.
NOTE
The piston is directional and must be
installed in the engine block in the proper
direction.
2. Select the correctly numbered piston/connecting rod
assembly for the cylinder. A dot (1) showing proper
piston orientation is located on the top of the piston.
NOTE
If the connecting rod bearings have been
used in a running engine, you must replace
them with NEW connecting rod bearings for
reassembly.
3. Install the connecting rod bearing into the connecting
rod.
4. Install the EN 46121 into the connecting rod bolt
holes.
5. Compress the piston rings using the J 8037 or
equivalent.
NOTE
Extreme care must be used when installing
the piston and connecting rod in order to be
sure the rod does not scrape or nick the
cylinder bore, the oil jets, or the crankshaft
surfaces.
Engine Mechanical:
1D-257
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