Disassembly And Assembly Of The Camshaft Mount - Husqvarna NUDA 900 R 2012 Workshop Manual

NUDA 900 2012/2013 - NUDA 900 R 2012/2013
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Workshop Manual Ed. 11-2011
CYLINDER HEAD REMOVAL/DISASSEMBLY
Camshaft mount disassembly
- Loosen all the nuts (2) uniformly in a diametrically opposite order and remove
them.
- Remove the slider (3) with the support (4).
- Remove the camshaft mount (1).
- Remove the sealing rings (5).
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Camshaft mount assembly
- Check that the sliding element (1) is not worn and replace it if necessary.
- Clean the sealing surfaces.
- Lubricate the new sealing rings (2) with engine oil and fit them.
- Lubricate the mount (3) on the sliding surface with engine oil and fit it, paying
attention to the axial guides (arrows).
- Fit the sliding element support (4).
- Fit all the nuts (5) and tighten them fully by hand (no tools).
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- Make sure that the mount (3) is positioned level on the side of the timing
chain, adjust the camshafts and the bearing bridge if necessary.
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- Fully tighten all the nuts, according to the tightening sequence and the tight-
ening torque.
- Mount fixing nut tightening sequence (from 1 to 12).
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6
8
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- Insert the chain tensioner, replacing the gasket (4) and activate it manually
to tension the timing chain, checking that the timing is correct, then tighten
the screw (5) to torque.
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4
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Before fixing the mount, make sure that the axial camshaft guide is
correctly positioned (arrow).
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