Perkins 1106D Disassembly And Assembly page 154

154
Disassembly and Assembly Section
Illustration 316
10. Install lower main bearing shells (3) into the main
bearing caps (2). Ensure that the locating tabs for
the lower main bearing shells are correctly seated
into the slots in the bearing caps.
Note: The lower main bearing shells are plain
bearings that do not have oil holes.
11. Lubricate the lower main bearing shells (3) and
lubricate the journals of the crankshaft (4) with
clean engine oil. Install the main bearing caps (2)
to the cylinder block.
Note: Ensure the correct location and orientation of
the main bearing caps (2). The locating tabs for the
upper and the lower main bearing shells should be
on the same side of the engine.
Illustration 317
12. Lubricate the threads of the setscrews (1) with
clean engine oil. Lubricate the underside of the
heads of the setscrews (1) with clean engine oil.
13. Install the setscrews (1) to the main bearing caps
(2). Evenly tighten the setscrews in order to pull
the caps into position. Ensure that the caps are
correctly seated.
Note: Do not tap the main bearing caps into position
as the bearing shells may be dislodged.
14. Tighten the setscrews (1) to a torque of 80 N·m
(59 lb ft).
Turn the setscrews (1) through an additional 90
degrees. Use Tooling A to achieve the final torque.
15. Rotate the crankshaft in order to ensure that there
is no binding.
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Illustration 318
Typical example
16. Check the crankshaft end play. Push the
crankshaft toward the front of the engine. Install
Tooling (B) to the cylinder block and the rear face
of the crankshaft. Push the crankshaft toward the
rear of the engine. Use Tooling (B) to measure the
crankshaft end play. The permissible crankshaft
end play is 0.17 mm (0.007 inch) to 0.41 mm
(0.016 inch).
17. If the crankshaft has been replaced or the
crankshaft has been reconditioned, inspect the
height of the piston above the cylinder block.
Refer to Testing and Adjusting Manual, "Piston
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Height - Inspect" for more information.
18. If the crankshaft has not been replaced or the
crankshaft has not been reconditioned, install the
connecting rod bearings. Refer to Disassembly
and Assembly Manual, "Connecting Rod Bearings
- Install".
SENR9983
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