17 ENGINE 137
17.4.27 Installing valves
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– Position the valve spring cap 1. Install new valve stem seals 2.
– Mount valves 3 according to their normal built-in position.
– Install the valve springs 4 and the spring retainers.
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– Pretension the valve springs using the special tool.
Valve spring compressor (59029019000) ( p. 216)
Valve spring mounting device (78029060000) ( p. 222)
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– Mount valve keys.
Info
When mounting the valve keys, check that they are seated correctly; prefer-
ably, fix the valve keys to the valve with a little grease.
– Place shims 5 into the valve spring retainers according to the installation position.
17.4.28 Installing rocker arm
300114-11
– Position the rocker arm 1 and push in the rocker arm shafts 2.
Info
Make sure that the tapped hole of the rocker arm shaft is positioned facing
outwards.
The small drill hole and the flat surface must point upwards.
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