Inspect the following areas:
| • | Inspect the valve rocker arms and ball at the mating surfaces.
These surfaces should be smooth and free of scoring or other damage. |
| • | Inspect the valve rocker arms and the mating surfaces. These surfaces
should be smooth and free of scoring or other damage. |
| • | Inspect the valve rocker arm valve pushrod sockets and valve stem
mating surfaces. These surfaces should be smooth with no scoring or exceptional
wear. |
| • | Inspect the valve pushrods for scored ends or bends. |
| • | Inspect the camshaft and crankshaft sprockets. |
| • | Inspect the key and crankshaft keyway for wear. |
| • | Inspect the crankshaft timing chain for binding. |
| 2. | Slowly rotate the crankshaft until the valve pushrod is raised
fully. |
| 3. | Compare the total lift shown on the J 8520
with the specifications. |
