Kohler RD 441, Руководство по обслуживанию

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- 56 - Workshop Manual KD 441_cod. 1.5302.865_2 nd ed_ rev. 01.
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A
Reassembly
Having chosen the required thickness, mount the gasket as shown in
the figure.
Together with the head gasket, assemble the pushrod gasket.
Head tightening
Caution – Warning
Lubricate the nuts and the washers with engine oil.
Follow the order shown in the figure to tighten the 4 nuts M9 at diffe
-
rent stages with a torque wrench.
1 st phase: tighten all nuts cross way to 5 Nm
2 nd phase: tighten all nuts in the same order to 20Nm
3
rd
phase: tighten all nuts in the same order to 30Nm
4
th
phase: tighten all nuts in the same order with further rotation of 90°.
Tighten the 2 side nuts M6 to 10 Nm.
Flywheel
Danger – Attention
During the assembly phase, pay particular attention to prevent
the flywheel from dropping as this could seriously injure the
operator.
Wear protective goggles when removing the flywheel ring.
Important
Assemble the flywheel onto the crankshaft taking care that the
reference key is correctly inserted into its seat on the flywheel.
Assemble special tool A p/n 1460-330 to lock the rotation of the
flywheel in its housing in the starting motor.
Tighten bolt 1 counterclockwise.

Tighten bolt 1 to 150 Nm.
Remove the flywheel locking tool and install the starting motor.