HINGE 5G2475 - Caterpillar

START BY: a. remove valve liftersb. remove timing gear cover 1. Put the engine in position on tooling (A) as shown. To keep the engine timing correct during removal and installation of the camshaft, put a mark on the teeth of the idler gear and camshaft drive gear at location (X). Put a mark on the teeth of the camshaft drive gear and crankshaft drive gear at location (Y).2. Remove bolts (2) and gear (1) from the camshaft. 3. Bend the tabs of lock (3) away from bolts (5). Remove bolts (5), lock (3) and washer (4) that hold the camshaft in place.
Use extra care not to damage the camshaft bearings as the camshaft is removed.
4. Carefully remove camshaft (6) from the cylinder block.Install Camshaft
1. Put the engine in position on tooling (A).2. Put clean engine oil on the bearing journals and 2P2506 Thread Lubricant on the cam lobes of the camshaft.3. Carefully install camshaft (1) in the cylinder block. Hold the camshaft up during installation so the camshaft bearings will not be damaged. 4. Install washer (3), lock (2) and the bolts that hold the camshaft in place. Bend the tabs of the lock against one of the flats of each bolt head. 5. Install two 3/8"-16 NC guide bolts (4) in the end of the camshaft.6. Put camshaft drive gear (5) in position on the guide bolts. Make sure the marks on the idler gear and the crankshaft drive gear are in alignment with the marks on the camshaft drive gear.7. Turn the camshaft, and make sure the "C" mark on the camshaft drive gear is in alignment with the "C" mark on the crankshaft drive gear. If a new gear has been installed, it will be necessary to check the engine timing to make sure the timing is correct. See Remove And Install Fuel Injection Pump Housing And Governor.8. Install two bolts in the camshaft gear, and remove the guide bolts. Install the remaining bolts in the camshaft drive gear. Tighten the bolts to a torque of 55 7 N m (41 5 lb.ft.).END BY: a. install timing gear coverb. install valve lifters