With the specified air pressure applied, move the intake secondary rocker arm A for the No. 1 cylinder. The secondary rocker arm A and the secondary rocker arm B should move together.

If the intake secondary rocker arm A does not move, remove the secondary rocker arms as an assembly, and check that the pistons in the secondary rocker arms move smoothly. If any rocker arm needs replacing, replace the secondary rocker arms as an assembly, then retest.

Repeat Step 10 on the remaining intake secondary rocker arms with each piston at TDC. When all the secondary rocker arms pass the test, go to Step 12 .

Remove the air supply and the air adapter.

Install the cylinder head cover.