Perkins 1106D Disassembly And Assembly page 153

SENR9983
NOTICE
If the crankshaft has been reground or if the crankshaft
has been replaced, the height of the piston above the
cylinder block must be inspected. It is necessary to
remove the cylinder head in order to inspect the height
of the piston above the cylinder block.
1. Clean the crankshaft and inspect the crankshaft
for wear or damage. Refer to Specifications
Manual, "Crankshaft" for more information. If
necessary, replace the crankshaft or recondition
the crankshaft.
2. If necessary, install the crankshaft gear. Refer to
Disassembly and Assembly Manual, "Crankshaft
Gear - Remove and Install".
3. If necessary, install a new crankshaft timing ring.
Refer to Disassembly and Assembly Manual,
"Crankshaft Timing Ring - Remove and Install".
4. Ensure that the parent bores for the bearing shells
in the cylinder block are clean. Ensure that the
threads for the main bearing setscrews in the
cylinder block are clean and free from damage.
5. Clean the main bearing shells and the thrust
washers. Inspect the main bearing shells and the
thrust washers for wear or damage. If necessary,
replace the main bearing shells and the thrust
washers.
Note: If the main bearing shells are replaced, check
whether oversize main bearing shells were previously
installed. If the thrust washers are replaced, check
whether oversize thrust washers were previously
installed.
Illustration 313
6. Install upper main bearing shells (5) to the cylinder
block. Ensure that the locating tabs for the upper
main bearing shells are seated in the slots in the
cylinder block.
Note: The upper main bearing shells have a groove
and two oil holes.
7. Lubricate the upper main bearing shells (5) with
clean engine oil.
Illustration 314
8. Attach lifting straps and a suitable lifting device
to the crankshaft (4). Lift the crankshaft (4) into
the cylinder block. The weight of the crankshaft is
approximately 61 kg (134.5 lb).
Note: Do not damage any of the finished surfaces
on the crankshaft. Do not damage the main bearing
shells.
Illustration 315
9. Lubricate the thrust washers (6) with clean engine
oil. Install the thrust washers (6) into number six
main bearing in the cylinder block.
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Note: The thrust washers have a locating tab at
one end. Ensure that the locating tabs are correctly
seated in the cylinder block.
Disassembly and Assembly Section
153
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