Operation Manual
BX25, RCK54(P)-23BX, RCK60B-23BX, LA240, BT601, WSM
ENGINE
(1
)
Crankshaft
Assembly
1.
Remove the main bearing case screw 2 (1).
2.
Turn the crankshaft to set the crankpin
of
the third cylinder to the
bottom dead center. Then draw out the crankshaft until the
crankpin of the second cylinder comes to the center of the third
cylinder.
3.
Turn the crankshaft by 2.09 rad (120
0)
counterclockwise to set
the crankpin
of
the second cylinder to the bottom dead center.
Draw out the crankshaft until the crankpin of the first cylinder
comes to the center of the third cylinder.
4.
Repeat the above steps to draw out all the crankshaft.
(When reassembling)
• Clean the oil passage
of
the crankshaft with compressed air.
• Install the crankshaft assembly, aligning the screw hole
of
main
bearing case screw 2 with the screw hole
of
crankcase.
• When tightening the main bearing case
2,
apply oil to the main
bearing case screw 2 (1) and screw by hand before tightening the
specific torque. If not smooth to screw by hand, align the screw
holes between the crankcase and the main bearing case.
26.5 to 30.4 N·m
"Tightening torque Main bearing case screw 2
2.7 to
3.1
kgf·m
19.5
to
22.4 ft-Ibs
(1) Main Bearing Case Screw 2
A:
Cut
place
for
removing and
installing
the
crankshaft
W1031360
1-839