30/ASSEMBLING THE ENGINE 132
21.30Installing the rear piston
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– Shift the joint of the piston rings by 120°.
– Place the oiled piston on the cylinder. Tighten the piston rings using the special
tool.
Piston ring mounting tool (60029015000) ( p. 196)
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– Using a hammer, lightly strike the special tool from above until it is flush with the
cylinder.
The special tool must squeeze the piston rings together well and lie flush
against the cylinder.
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– Carefully tap the piston into the cylinder using the hammer shaft.
The piston rings should not become caught; otherwise, they may be damaged.
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– Position the new cylinder base gasket .
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– Ensure that piston marking faces the outfeed side.
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– Cover the engine case opening with a cloth. Thread the timing chain through the
chain shaft. Mount the piston pin.
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