REASSEMBLY OF BASIC ENGINE
7-2
1. Reassembling cylinder block, crankshaft, piston and oil pan
1.1 Installing main bearing
(1)
Install the main bearings (upper and lower) with
aligning lug groove of the crankcase and main bearing
cap.
Note: Install the bearing (upper) with groove to the
crankcase, and install the bearing (lower) without
groove to the main bearing cap.
(2) Install the flange main bearing to the rearmost
crankcase mating surface.
(3) Apply a small amount of engine oil to each bearing.
Installing main bearing
1.2 Installing crankshaft
(1)
Wash the crankshaft thoroughly with cleaning oil and
dry it completely by compressed air.
Note: When washing the crankshaft, clean the inside of the
oil holes completely and make sure that no foreign
substances or dirt is present.
(2) Hold the crankshaft horizontally and slowly install it to
the cylinder block.
(3) Apply a small quantity of engine oil to the crankshaft
journals.
Installing crankshaft
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