SENSOR GP-POSITION 2192384 - Caterpillar

Remove Valves
start by: a) remove cylinder head assemblyb) remove precombustion chambers 1. Use tool (A) to compress springs (1).2. Remove locks.3. Remove tool (A), valve, rotocoil and spring. If valve can be used again, put identification on valve for location at installation. 4. Use tool (B) to check spring force. Spring force must be 77.5 3.9 lb. (342 17 N) when length of spring under test force is 2.165 in. (54.99 mm).5. Do Steps 1 through 4 again for remainder of valves.Install Valves
1. Put clean engine oil on valve stem. Install spring (2), rotocoil (1), and valve. 2. Use tool (A) to compress spring.3. Install locks (3) with thick end up.
Locks can be thrown from valve when compressor is released, if they are not in their correct position on valve stem.
4. Remove compressor and hit valve with a soft hammer to be sure locks are in their correct position on valve.5. Do Steps 1 through 4 again for remainder of valves.end by: a) install precombustion chambersb) install cylinder head assembly