BOOT 6J4568 - Caterpillar

Remove valves
start by:a) remove cylinder head assemblyb) remove exhaust manifold (3306)c) remove aftercooler (3306)d) remove water temperature regulator (3306)1. Put compression on valve spring (2) with tool (A) and remove locks (1).2. Remove tool (A), rotocoil, spring and valve. Put identification on valves with respect to their locations in the cylinder head.3. Check the spring force with tool (B). The minimum spring force (used) is 46.5 lb. (207 N). The length of spring under test force is 1.766 in. (44.86 mm). The free length after test is 2.05 in. (52.1 mm).4. Do Steps 1 through 3 again for remainder of valves. See GUIDELINE FOR REUSABLE PARTS: VALVES AND VALVE SPRINGS Forms SEBF8002 and SEBF8034.Install Valves
1. Put clean engine oil on valve stems. Install valve, spring and rotocoil in the cylinder head.2. Put tool (B) in position on valve spring and install the locks (1) with tool (A).
Locks can be thrown from valve when compressor is released, if they are not in their correct position on valve stem.
3. Remove tool (B) and hit the top of the valve with a plastic hammer to be sure the locks are in their correct position on the valve.4. Do Steps 1 through 3 again for remainder of valves.end by:a) install water temperature regulator (3306)b) install aftercooler (3306)c) install exhaust manifold (3306)d) install cylinder head assembly
TYPICAL EXAMPLE