Operation Manual
BX25, RCK54(P)-23BX, RCK60B-23BX, LA240, BT601,
WSM
ENGINE
(6) Flywheel and Crankshaft
Flywheel
1.
Secure the flywheel to keep it from turning using a flywheel
stopper. (Refer to "SPECIAL TOOLS".)
2.
Remove all flywheel screws (1) and then remove the flywheel
(2).
(When reassembling)
• Align the
"1TC"
mark (a)
on
the outer surface of the flywheel
horizontally with the alignment mark (b)
on
the rear end plate.
Now
fit
the flywheel
in
position.
• Apply engine oil to the threads and the undercut surface of the
flywheel screw and fit the screw.
53.9 to 58.8 N'm
Tightening torque Flywheel screw 5.5
to
6.0 kgf·m
39.8
to
43.4 ft-Ibs
W1031168
(b)
(4)
3TAAAAD1
P050A
(3)
(5)
(3)
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1\":<'"
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J
3GFABAB1
P047C
(6)
(1)
Flywheel Screw (a)
1TC
Mark
(2) Flywheel (b)
Alignment
Mark
W1030810
Bearing Case
Cover
1.
Remove the bearing case cover mounting screws. First, remove
inside screws (1) and then outside screws (2).
2. Remove the bearing case cover (6).
(When reassembling)
• Fit the bearing case gasket (3) and the bearing case cover gasket
(4) with correct directions.
• Install the bearing case cover (6) to position the casting mark
"UP" (a)
on
it upward.
• Apply engine oil to the
oil
seal (5) lip and take care that it is not
rolled when installing.
• Tighten the bearing case cover mounting screws with even force
on
the diagonal line.
Bearing case cover
9.8 to
11.3
N'm
Tightening torque
1.00
to
1.15 kgf·m
mounting screw
7.2 to 8.3
ft-Ibs
(1) Bearing Case Cover Mounting Screw (5) Oil Seal
(Inside) (6) Bearing Case Cover
(2) Bearing Case Cover Mounting Screw
(Outside) (a) Top Mark
"UP"
(3) Bearing Case Gasket (b) Upside
(4) Bearing Case Cover Gasket
1-S38