30/ASSEMBLING THE ENGINE 158
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– Cover the engine case opening with a cloth. Thread the timing chain through the
chain shaft. Mount the piston pin.
Info
For clarity, the following steps are illustrated using a disassembled piston.
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– Position the piston pin retainer.
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– Insert the special tool and firmly press it toward the piston.
– Turn the special tool counterclockwise, thereby pressing the piston pin retainer into
the groove.
Piston pin lock ring insert (75029035000) ( p. 250)
– Make sure that the piston pin retainer is seated correctly on both sides.
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– Remove the cloth.
– Keep the timing chain tensioned. Push the cylinder down carefully and let the
grooved pins engage.
20.18Installing cylinder head
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– Put on the cylinder head gasket.
Info
Make sure the grooved pins are seated correctly.
– Mount the cylinder head. Mount and tighten cylinder head screw with the wash-
ers.