Page 1428 - Workshop Manual - Tunland (2017)

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ENGINE MECHANICAL - FLYWHEEL, FLYWHEEL HOUSING, CYLINDER BLOCK & CRANKSHAFT
(b) Remove the crankshaft main bearing from the
crankshaft main bearing cap.
CAUTION

• Check if the crankshaft main bearing is
abnormally worn, and replace it if
necessary.
• The main crankshaft bearings shall be
15
placed in order and must not be confused.

(c) Take out crankshaft in the vertical direction.

(d) Take off the crankshaft main bearing.

CAUTION

• Check if the crankshaft main bearing is
abnormally worn, and replace it if
necessary.
• The main crankshaft bearings shall be
placed in order and must not be confused.

14 . Cylinder block check:

(a) Use a scraper to remove all the remains of
the cylinder surface.
(b) Check whether there is any leak in the hole.
(c) Check whether the cylinder body has cracks
and whether the installation plane has severe
scratches.