TUBE ASSEM. (Right Hand) 7K2919 - Caterpillar

REMOVE VALVE SEAT INSERTS
start by:a) remove valves1. Remove the valve seat inserts from the cylinder head with tooling (A).2. Clean and remove any burrs from the valve seat bores. INSTALL VALVE SEAT INSERTS
1. Lower the temperature of the valve seat inserts to -60° C (-76° F) and install them with tooling (A).
CAUTION Do not make the diameter of the extractor larger when the insert is installed or damage to the insert and cylinder head can be the result.
2. Grind valve seat inserts (1) as to the values given in SPECIFICATIONS.end by:a) install valves REMOVE VALVE GUIDES
start by:a) remove valves1. Use tool (A) and a hammer to push the valve guides out of the cylinder head as shown. INSTALL VALVE GUIDES
1. Put clean engine oil on the outside diameter of the valve guides.2. Use tooling (A) and install the valve guides until they extend 26 mm (1.024 in.) from the surface of the cylinder head. See SPECIFICATIONS for the correct values for the inside diameters of new and used valve guides.end by:a) install valves