Installation Of Flywheel - Yanmar BY Series Service Manual

Flywheel and Flywheel Housing
7. Install bolts and tighten securely.
8. Install oil sump. See Remove and Install Oil
Sump on page 8-16.
9. Install crankshaft sensor. See Replacing
Crankshaft Sensor on page 12-26.
10. Install flywheel. See Installation of Flywheel on
page 5-45.
11. Add engine oil to the correct oil level.

Installation of Flywheel

( 3 )
Figure 5-68
1. If removed, install the pilot bushing
(Figure 5-65, (3)) in the crankshaft.
2. Install torque plate (Figure 5-65, (2)).
IMPORTANT
Never reuse flywheel bolts. Always install
new flywheel bolts.
3. Install the flywheel on the crankshaft.
Note: Flywheel bolts are T-60 Torx head.
4. Apply medium strength thread lock and sealer
to the threads of the flywheel bolts
(Figure 5-65, (1)). Install bolts and tighten to
initial torque specification.
Flywheel Bolt Torque
Item Initial Torque
Flywheel Bolt
(133 in.-lb)
BY Service Manual
( 2 )
0003577
Final Torque
15 N·m 120 N·m
(89 ft-lb)
5. Tighten flywheel bolts to final torque
specification.
6. Install drive coupling (See Remove and Install
Drive Coupling on page 5-42).
7. Install flywheel housing (See Remove and
Install Flywheel Housing on page 5-42).
( 1 )
ENGINE
5-45