TM 10-3930-659-34 4-2. CYLINDER HEAD VALVE LIFT CHECK (Con’t). 2. Install flywheel turning tool (3) on engine (1). NOTE Cylinder  head  valve  lift  is  checked  the  same  way  for  all  cylinder  head valves.  One cylinder head valve is illustrated. 3. Using flywheel turning tool (3), rotate flywheel until there is clearance between engine rocker arm (4) and cylinder head valve (5). 4. Install dial indicator on cylinder head valve (5) with stylus against cylinder head valve rotator (6). Zero dial indicator. 5. Using flywheel turning tool (3), rotate flywheel and note reading on dial indicator when clearance between engine rocker arm (4) and cylinder head valve (5) is fully opened.  Intake cylinder head valve lift measurement must be 0.4600.490 in.   (11.68412.446 mm) and exhaust cylinder head valve lift measurement must be 0.4560.482 in.   (11.58212.243 mm).  If measurements are not within specification, inspect cylinder head valves (see paragraph 4-6), engine rocker arm assembly and pushrods (see paragraph 4-12), and tappets (see paragraph 4-13). 6. Remove dial indicator from cylinder head valve (5). 7. Repeat steps 4 through 6 for remaining cylinder head valves. 8. Remove flywheel turning tool (3) from engine (1). 9. Install plug (2) on engine (1). FOLLOW-ON TASKS: • Install engine rocker arm cover (see TM 10-3930-659-20) 4-5 TA708058 4-5