D379B, D398B & D399 GENRERATOR SET ENGINES Caterpillar

start by:

a) remove camshaft

b) remove valve lifters

1. Remove the camshaft bearings with tooling (A). Use the extensions as needed.

Install Camshaft Bearings

1. Put the bearings in the cylinder block with tooling (A). Put clean engine oil on bearings. See the SPECIFICATIONS for installation dimensions.

NOTE: Be sure the oil holes (1) in the bearings are in alignment with oil holes in cylinder block.

end by:

a) install camshaft

b) install valve lifters