STV32 · STV36 · STV40, WSM ENGINE
1-S42
(4) Crankshaft
Flywheel
1. Fit the stopper to the flywheel (1).
2. At first, remove two pieces of the flywheel screws (2).
3. Insert two pieces of the flywheel guide screws (3) in the holes.
4. Remove the all flywheel screws (2).
5. Remove the flywheel (1) slowly along the flywheel guide
screws (3).
(When reassembling)
A Insert two pieces of the flywheel guide screws.
A Check to see that there are no metal particles left on the
flywheel mounting surfaces.
A Apply engine oil to the threads and the undercut surface of the
flywheel bolt and fit the bolt.
Bearing Case Cover
1. Remove the bearing case cover mounting screws. First,
remove inside screws (6) and then outside screws (3).
2. Screw two removed screws into the screw hole of bearing
case cover (5) to remove it.
A The length of inside screws (6) and outside screws (3) are
different. Do not take a mistake using inside screws and
outside screws.
(When reassembling)
A Fit the bearing case gasket (1) and the bearing case cover
gasket (2) with correct directions.
A Install the bearing case cover (5) to position the casting mark
"UP" on it upward.
A Apply engine oil to the oil seal lip and take care that it is not
rolled when installing.
A Tighten the bearing case cover mounting screws with even
force on the diagonal line.
Tightening torque Flywheel screws
98.0 to 107.8
10.0 to 11.0
72.3 to 79.5 ft-lbs
(1) Flywheel (3) Flywheel Guide Screw
(2) Flywheel Screw
0000006448E
Tightening torque
Bearing case cover
mounting screw
23.5 to 27.5
2.4 to 2.8
17.4 to 20.3 ft-lbs
(1) Bearing Case Gasket (5) Bearing Case Cover
(2) Bearing Case Cover Gasket (6) Bearing Case Cover Mounting
(3) Bearing Case Cover Mounting Screw
Screw
(4) Oil Seal (a) Upside
0000006449E
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