HOSE AS 3406169 - Caterpillar

You must read and understand the warnings and instructions contained in the Safety section of this manual before performing any operation or maintenance procedures.Engine Valve Lash and Injector Fuel Timing
Check/Adjust
Refer to the Service Manual for the complete procedure to perform valve lash check and/or adjustment. Be sure to have a qualified mechanic check and/or adjust injector fuel timing. Special tools and training are required.Refer to the Service Manual for the complete procedure to perform this maintenance. The correct fuel timing specification is given on the Engine Information Plate. Fuel timing specifications may be different for different engine applications and/or power ratings.Engine Governor
Clean/Replace the Screen
1. Open the access cover on the right side of the machine. 2. Remove oil supply tube (1) from cylinder head and remove fitting (2) and seal (3) from the governor housing.3. Remove screen (4) using a 6 mm hexagon wrench.4. Wash screen (4) in solvent to remove any debris and inspect screen (4) and the seals for damage. Replace any parts if necessary.5. Install screen (4) deep enough to allow clearance for fitting (2).6. Install seals (3), fitting (2) and oil supply tube (1).7. Close the access door.