BOOM AR 1585738 - Caterpillar

1. Carefully pull camshaft (1) from the cylinder block. The rear of the camshaft shaft can be held up through the inspection cover openings on the right side of the cylinder block.2. Fasten a hoist to the camshaft and remove it. Weight is 100 lb. (45 kg).
Use care not to cause damage to the bearing bores by the cam lobes when the camshaft is being removed.
3. Remove thrust washer (2) from the cylinder block.Install Camshaft
1. Install a new thrust washer (2) on the cylinder block.2. Put clean engine oil on the camshaft bearings. Put graphite grease on the lobes of the camshaft shaft.3. Fasten a hoist to the camshaft (1). Carefully install the camshaft into the cylinder block. Pull the camshaft shaft through the bearings while holding it through the inspection cover openings.4. Put the "C" mark on the large camshaft gear in alignment with the "C" mark on the crankshaft gear.end by:a) install timing gear coverb) install valve liftersDisassemble Camshaft
start by:a) remove camshaft 1. Remove nuts (1), lock and bolts.2. Remove large camshaft gear (2). 3. Remove small camshaft gear (3) with tooling (A).4. Remove the key from under the small gear.Assemble Camshaft
1. Install key (5) in the camshaft (4).2. Heat small camshaft gear (6) to a maximum temperature of 750°F (399°C). Install the gear over the key and shaft.3. Put large camshaft gear (7) in position on the small gear. Install bolts (1), lock (2), and nuts (3) that hold it. Make sure the "C" mark on the large camshaft gear is toward the front of the camshaft.end by:a) install camshaft