Booxt 2007 GOES 300 S, Руководство по обслуживанию

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ENGINE
2. Pull the cam chain through the cylinder head chain
room and secure with mechanic’s wire.
3. Place the cylinder head on the cylinder.
4. Install the cam according to the “Cam Shaft
Timing” procedure. Verify the cam chain is in place
around the crankshaft gear.
NOTE: Verify camshaft timing procedure before installing
the rocker shaft assembly.
CAMSHAFT TIMING
Serious engine damage may result if the camshaft is
not properly timed to the crankshaft.
IMPORTANT CAMSHAFT TIMING NOTE:
In order to time the camshaft to the crankshaft, the
piston must be precisely located at Top Dead Center
(TDC). This
can be accomplished using one of two
methods.
1. Install the cam chain over the crankshaft.
When the stator housing is removed, use Method 1
This method uses the camshaft gear marks and the
crankshaft keyway to establish TDC. It is important to
note that this method can only be used when the stator
housing is removed and the crankshaft keyway is in view.
The camshaft sprocket alignment marks are parallel to
the gasket surface, and camshaft lobes are pointing
down. The cam chain plate links are not used to time the
camshaft.
When the stator housing is installed, use Method 2
This method establishes accurate Top Dead Center
(TDC) by aligning the single mark on the flywheel with the
notch in the timing inspection hole (see Method 2).
The camshaft sprocket alignment marks are parallel to
the gasket surface, and camshaft lobes are pointing
down. The cam chain plate links are not used to time the
camshaft.
Camshaft Installation - Timing Method 1
Refer to Illustration Page 4.37
Stator housing is removed: NOTE: Use this method only
when the stator is removed and cam shaft drive sprocket
is in view.
1. Rotate the crankshaft until the keyway on the
crankshaft is pointed ’UP” (keyway facing upward).
2. Align the cam chain onto the teeth of the crankshaft
sprocket. Use a wire to pull the chain up through the
cylinder and cylinder head and to hold it in place. Secure
the chain.
3. Apply grease, or engine assembly lubricant to the
camshaft main journals and cam lobes. Lubricate
automatic compression release mechanism with clean
engine oil.
4. Orientate the camshaft with the lobes facing
downward.
5. Disconnect the wire securing the cam chain and loop
the cam chain over the sprocket while verifying the cam is
inserted with the alignment marks parallel to the gasket
surface.
4.34