AFTERCOOLER GP-TREATED WATER 1081581 - Caterpillar

1. Turn the crankshaft until the timing mark on the crankshaft gear (2) is in alignment with timing mark on the camshaft gear (1).2. Put a mark on the teeth of idler gear and camshaft gear at location (A). The timing of the fuel injection pump will be correct if the gear teeth have identification marks for correct alignment at assembly.3. Remove the camshaft bolts (3), the lock and thrust washer.4. Pull the camshaft out of the cylinder block.5. Remove the bolts that hold the camshaft gear to the camshaft and remove the gear.Install Camshaft
1. Put the camshaft drive gear in position on the end of the shaft. The drive gear will fit on the camshaft one way only.2. Install the bolts that hold the drive gear in position.3. Put clean engine oil on the lobes and bearing journals of the camshaft. 4. Install camshaft (1) in the cylinder block with the timing marks on the camshaft gear, idler gear and crankshaft gear in alignment.5. Install the thrust washer, the locks and bolts that hold the camshaft in the cylinder block.end by:a) install timing gear coverb) install valve lifters