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Doosan A2300 - Main Bearing

Doosan A2300
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A Series Diesel Engine Base Engine Components 194
Caution : Be sure to remove the tape covering the
lube holes after the cleaning process is
complete.
Check the bore cleanliness by wiping with a white, lint
free, lightly oiled cloth. If grit residue is still present,
repeat the cleaning process until all residue is
removed. Wash the bores with solvent and blow the
block dry with shop air.
Caution : Be sure to remove the covering from the
piston cooling nozzles.
Remove the protective tape and cloth, and clean the
crankshaft journals.
Use solvent and a brush to clean any residue that
may have splashed on the camshaft.
Note : Inspect the camshaft lobes and tappet faces
for signs of wear or damage.
Main Bearing Replacement
Remove all main bearing caps except the No.1 and 5
cap for 4 cylinder engine. The 4 cylinder engine is
depicted in the illustration.

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