DOOR GP-HOOD 3806864 - Caterpillar

1. Disconnect tube assembly (1) from the fan drive housing.2. Disconnect hose assembly (2). 3. Remove bolts (3). Remove fan drive (4) from the timing gear housing. 4. Remove bolts (5). Remove adapter (6) from the camshaft gear.Install Fan Drive
1. Put adapter (1) in position on the camshaft gear. Install the bolts that hold it. Tighten the bolts to a torque of 40 5 lb.ft. (55 7 N m). 2. Check O-ring seal (3) on the fan drive for wear or damage. If necessary, make a replacement. Put a small amount of clean SAE 30 oil on the O-ring seal.3. Put fan drive (2) in position on the timing gear housing. Install the bolts that hold it. 4. Connect tube assembly (4) to the fan drive housing.5. Connect hose assembly (5). end by:a) install fan and adapterDisassemble Fan Drive
1. Remove O-ring seal (1) from the fan drive housing. 2. Remove bolts (2) from the cover. Remove cover (3). Remove the O-ring seal from the cover. 3. Remove the seal from the cover with tool (A) and a press. 4. Remove shaft assembly (4) from the fan drive housing. 5. Remove lock (5) from nut (7). Remove the nut and the lock from the shaft with tool (B).6. Make the ring separation and use tooling (C) to remove two rings (6) from the shaft. 7. Put the shaft in a press and remove bearing (7) from the shaft (8).Assemble Fan Drive
1. Heat bearing to a maximum temperature of 275° (135°C). Install bearing (1) on the shaft. 2. Install two rings (2) on shaft with tool (A). 3. Install lock (3) and nut (4) on the shaft. Tighten nut (4) on shaft to a torque of 150 20 lb.ft. (200 25 N m). Bend the lock against the nut. 4. Install the shaft (5) in the fan drive housing. 5. Install the seal in cover (6) with tool (C). 6. Install O-ring seal (7) in the cover (6). Install the cover on the fan drive housing. Install O-ring seal (8) on fan drive housing.