Pistons And Connecting Rods - Disassemble - Perkins 1103 Disassembly And Assembly

110
Disassembly and Assembly Section
b. Remove the engine oil pump. Refer to
Disassembly and Assembly, "Engine Oil Pump -
Remove".
c. Remove the piston cooling jets. Refer to
Disassembly and Assembly, "Piston Cooling Jets
- Remove and Install".
Note: The removal procedure is identical for the
three cylinder and the four cylinder engines. The
illustration shows the four cylinder engine.
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened
component life.
1. Position the pistons that are being removed at the
bottom center position.
2. Remove the carbon buildup from the inner surface
of the top of the cylinder liner.
3. Ensure that the connecting rod and the cap are
correctly marked to the cylinder.
Note: Do not punch the connecting rod or stamp the
connecting rod assembly as this may cause damage.
4. Remove the torx screws (1) from the connecting
rod.
Illustration 244
Typical example
5. Remove the connecting rod cap (2) with the
bearing shell.
6. Push the piston and the connecting rod through
the top of the cylinder block.
Note: Make a mark under the piston on the pin boss
in order to identify the cylinder. Always mark the front
pin boss to aid installation.
7. The bearing shell for the connecting rod and the
bearing shell for the connecting rod cap must
be placed with the correct rod and the correct
connecting rod cap.
8. Always tighten the connecting rod cap to the
connecting rod, when the assembly is out of the
engine. Tighten the assembly to the following
torque 20 N·m (14 lb ft).
Pistons and Connecting Rods
- Disassemble
Disassembly Procedure
Start By:
a. Remove the pistons and the connecting rods.
Refer to Disassembly and Assembly, "Piston and
Connecting Rods - Remove".
Removal of the piston pin bushing must be carried
out by personnel with the correct training. Also spe-
cial machinery is required. For more information refer
to your authorized Perkins dealer or your Perkins dis-
tributor.
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened
component life.
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Illustration 245
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i01943498
NOTICE
NOTICE
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