Maintenance manual for sunray hfc4da1-2c china-IV diesel engines
37
c. Install the crankshaft thrust plates to the 3
rd
main
journal portion (The surface with oil groove faces to
crankshaft thrust surface and the oil groove shall be
sprayed with lubricating oil).
d. Spray oil to the main journal portion and install the
1~4 main bearing caps of crankshaft as per the
marked sequence. The arrow markings on the bearing
caps shall face to the front of the engine.
e. Apply the liquid sealant onto the fitting surface
between 5
th
bearing cap and cylinder block and install
the 5
th
bearing cap * text: Notice: 1) Before applying
the sealant, the fitting surface of main bearing cap
shall be thoroughly free of any engine oil; 2) Never
block the cylinder threaded holes and bearings by the
sealant.
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