Perkins 1106D Disassembly And Assembly page 141

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Illustration 289
1. Remove the two setscrews (12) and the
connecting rod cap (11) from the connecting rod
(6). Discard the setscrews.
Note: Fracture split connecting rods should not
be left without the connecting rod caps installed.
After the disassembly procedure for the piston and
connecting rod is completed, carry out the assembly
procedure and the installation procedure as soon
as possible. Refer to Disassembly and Assembly
Manual, "Piston and Connecting Rods - Assemble"
and Disassembly and Assembly Manual, "Piston and
Connecting Rods - Install".
2. Remove the lower bearing shell (10) from the
connecting rod cap (11). Remove the upper
bearing shell (9) from the connecting rod (6). Keep
the bearing shells together.
Illustration 290
3. Place the piston and connecting rod assembly on
a suitable surface with the connecting rod upward.
Use Tooling (A) in order to remove the circlips (5).
Note: The forged marks (X) may be on the front of
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the connecting rod assembly, or on the rear of the
connecting rod assembly. The forged marks should
not be used for the purposes of orientation.
4. Remove the piston pin (8) and the connecting rod
(6) from the piston (4).
Note: If the piston pin cannot be removed by hand,
heat the piston to a temperature of 45 ± 5 °C
(113 ± 9 °F). Do not use a torch to heat the piston.
Note the orientation of the connecting rod (6) and
the piston (4).
5. Place the piston on a suitable surface with the
crown upward. Use Tooling (B) in order to remove
the compression rings (1) and (2), and the oil
control ring (3) from the piston (4).
Note: Identify the position and orientation of the
compression rings (1) and (2), and the oil control
ring (3).
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.
6. Inspect the connecting rod for wear or damage.
If necessary, replace the connecting rod (6) or
replace the bush for the piston pin (7).
Disassembly and Assembly Section
NOTICE
141
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