CAC Gasoline Engine Maintenance And Servicing Manual
19
【2】、Upper and lower timing gear cover assemblies removal and installation
Removal:
——Loosen and remove 2 bolts for upper timing
gear cover assembly.
——Remove upper timing gear cover and seal
assembly.
——Remove seal gasket and shot nail from
upper timing gear cover.
——Remove crankshaft pulley.
——Loosen and remove 2 bolts for lower timing
gear cover assembly.
——Remove lower timing gear cover and seal
gasket assembly.
——Remove shot nail and seal gasket from
lower timing gear cover.
Installation:
——Clean lower timing gear cover.
——Mount new seal gasket with shot nail or
glue on lower timing gear cover.
——Install lower timing gear cover and seal
gasket on crankshaft,
finger screw in 2 bolts and
tighten to 9.0—11Nm.
——Clean upper timing gear cover.
——Mount new seal gasket with shot nail or glue
on lower timing gear cover.
——Install upper timing gear cover seal gasket
with 2 bolts on cylinder block,tightening torque
is 9—11Nm.
【3】、Crankshaft pulley removal and installation
Removal:
——If engine is equipped with starter,remove
three M10×30 or M10×35 bolts and remove
starter.
——Block flywheel ring gear with a appropriate
screwdriver or lever, preventing crankshaft from
rotating.
——Loosen crankshaft pulley mounting bolts,
remove bolt and cushion block.
——Pull out pulley, if necessary, puller may be
used.
upper timing gear cover assembly
Bolt
Tightening
torque
torque
Lower timing gear cover assembly
Fig.4
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