Installing (Camshafts)

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CAMSHAFTS, INSTALLING

NOTE:

Sealing surfaces must be completely free of oil and grease.

Pay attention that all roller rocker levers rest on the valve stem ends.

-- If the crankshaft was turned in the meantime, bring the piston for cylinder 1 to TDC and then turn the crankshaft back again slightly.

-- Remove any sealant residue from the groove on the cylinder head cover as well as on the sealing surfaces.

-- Clean the sealing surfaces. They must be free of oil and grease.

-- Lubricate the running surfaces of both camshafts.

-- Place the intake camshaft -A- in the cylinder head. Turn the cam lobes of cylinder 4 -arrows- upward.

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-- Insert the exhaust camshaft -1- in the cylinder head cover. Turn the cam lobes of cylinder 4 -arrows- upward.

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-- Turn the intake camshaft -1- and the exhaust camshaft -2- until the markings -arrows- are in the position shown.

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-- The cams of the intake camshaft -1- and the exhaust camshaft -2- must point upward as shown -arrows-.

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-- Apply the sealant on the clean sealing surface of the cylinder head cover as shown -arrows-.

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CAUTION:

- Do not apply sealant bead thicker than indicated.

Sealant Bead Thickness: 1.5 to 2.5 mm

-- Mount the cylinder head cover on the cylinder head.

-- Lightly push on the cylinder head cover by hand and while doing so turn the camshaft slightly until the cylinder head cover lays >>free of tension<< on the cylinder head.

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-- Replace the cylinder head cover bolts.

-- Tighten the bolts in several steps. Refer to Figure for the tightening sequence.

NOTE:

Pay attention that the cylinder head cover is not tilted.

-- Turn the intake camshaft with the :T40266 in direction of -arrow A- until the marks -1- and -2- align. Push the :T40271/2 in the chain sprocket splines -B-.

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-- Turn the exhaust camshaft using the :T10172A in direction of -arrow A- until the markings -1- and -2- align. Slide the : T40271/1 into the chain sprocket splines in direction of -arrow B-. The mark -2- is offset slightly to the right.

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-- Turn the crankshaft on the hex fitting -2- to the "TDC point". The flat area -1- faces upward toward the cylinder head when in the "TDC point".

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