Valve springs
Valve springs |
To remove |
Important | ||
Store all removed valve parts in the valve stand 83 93 787. |
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1. |
Remove the
camshafts
.
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2. |
Fit an M6 bolt in the front hole of the pulley (A). Turn the pulley slightly so that the bolt slides in between the two lugs in the timing cover.
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4. |
Fit 83 95 246 Valve spring depressor (A). The removal end must be vertical above the valve stem.
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5. |
Remove the spark plug and fit 83 94 173 Air nipple for spark plug hole (B). Connect compressed air and fit the piston and valves under pressure.
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6. |
Press the tool handle down and remove the valve cone (A) with a magnet. Lift out the spring plate (B) and valve spring (C).
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7. |
When removing valve springs on the exhaust side, fit the tool as illustrated and lift the handle upward.
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To fit |
1. |
Press the tool handle down and fit valve spring (C), spring plate (B) and cone (A) in the valve stem groove.
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2. |
When fitting valve springs on the exhaust side, fit the tool as illustrated and lift the handle upward.
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3. |
Disconnect compressed air and remove 83 94 173 Air nipple for spark plug hole (B). Fit the spark plug.
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4. |
Remove the tool 83 95 246 from the cylinder head (A).
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5. |
Fit the roller rockers (A).
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6. |
Remove the bolt from the front hole of the pulley (A). Reset the crankshaft.
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7. |
Fit the
camshafts
.
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