KIT-CARBURET 8N9097 - Caterpillar

To keep the engine timing correct during removal and installation of the camshaft, put a mark on the teeth of the fuel injection pump drive gear and idler gear at location (A). Put a mark on the teeth of the idler gear and camshaft gear at location (B). The engine timing will be correct when the marks at locations (A) and (B) are in alignment and the "C" marks on the crankshaft and camshaft gears are in alignment.2. Remove bolts (1) that hold the camshaft gear to the camshaft. Remove the camshaft gear.
TYPICAL EXAMPLE3. Remove the bolts, lock and thrust washer that hold the camshaft in place. Install a 3/8"-16 NC forged eyebolt in the end of the camshaft and remove camshaft (2) from the engine.Install Camshaft
1. Put clean engine oil on the cams and bearing journals of the camshaft. Install camshaft (2) in the block. 2. Install thrust washer (1), lock and bolts that hold the camshaft in place. 3. Put camshaft gear (3) in position on the camshaft so the "C" mark on the camshaft gear is in alignment with the "C" mark on the crankshaft gear. Install the washers and bolts that hold the camshaft gear in place. If the bolts can not be installed in the end of the camshaft, remove the camshaft gear. Turn the camshaft as needed and install the camshaft gear again. If a replacement has been made for any of the four above timing gears, it will be necessary to check the engine timing to make sure the timing is correct. See INSTALL FUEL INJECTION PUMP HOUSING AND GOVERNOR.end by:a) install timing gear coverb) install valve lifters