Mitsubishi S6R Series User Manual

7-5
Chapter 7 ASSEMBLY OF BASIC ENGINE
1.5 Crankshaft - Install
(1) Make sure that the sliding surfaces of the upper main
bearing shells installed in the crankcase are evenly
coated with clean engine oil.
(2) Thoroughly clean the crankshaft with cleaning oil, and
blow off the oil with compressed air. Then, apply an
even coat of clean engine oil to the crankshaft journals.
Note: When cleaning crankshaft, be sure to thoroughly clean
the crank journals, crankpins, and oil holes and make
sure that the crankshaft is free from foreign materilal
such as machining chips and dirt. Make sure that oil
holes are free from burrs.
(3) Lift the crankshaft keeping in a horizontal attitude, and
slowly install into the crankcase.
Note: When lifting the crankshaft, use fiber slings or pads to
avoid any damage to he crankshaft.
(4) Slowly rotate the crankshaft to verify smooth rotation
of the crankshaft.
Crankshaft - Clean
Crankshaft - Install
1.6 Front Upper Thrust Plate - Install
(1) Push the installed crankshaft softly toward the engine
front direction to contact the installed rear upper thrust
plate with the crank journal web face.
(2) With the oil grooves on the front upper thrust plate fac-
ing outside, insert the front upper thrust plate into the
clearance between the crankshaft and crankcase.
(3) Move the crankshaft back and forth to verify the proper
end play.
Front Upper Thrust Plate - Install
Apply a small amount
of engine oil to journal
portion after cleaning.
Blow compressed air after cleaning.
Crankshaft assembly
Be careful not to damage the front upper thrust plate
when installing.
Insert the plate into
the clearance
between crankshaft
and crankcase
Front upper thrust plate

Mitsubishi S6R Series Specifications

General

Brand	Mitsubishi
Model	S6R Series
Category	Engine
Language	English