DIFFERENTIAL GROUP 1V3305 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     138-7575     Link Bracket     2    Start By:
Remove the valve mechanism cover base. Refer to Disassembly and Assembly, "Valve Mechanism Cover Base - Remove and Install".
Remove the muffler. Refer to Disassembly and Assembly, "Muffler - Remove and Install".
Remove the unit injectors. Refer to Disassembly and Assembly, "Unit Injector - Remove".
Remove the rocker shaft and pushrods. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Drain the engine coolant from the cooling system. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change".
Illustration 1 g01216665
Remove support (1) .
Illustration 2 g01216682
Disconnect tube assemblies (2) and (4). Remove clamp (3). Loosen clamps (6). Remove boot (5) .
Illustration 3 g01216730
Remove clamp (7). Remove bolt (8) .
Illustration 4 g01216744
Loosen clamp (10). Disconnect hose (9). Remove bolts (11) .
Remove the belt from the fan drive. Refer to Operation and Maintenance Manual, "Belt - Inspect/Adjust/Replace".
Illustration 5 g01216756
Remove bolts (15). Slide pulley (14) toward the fan. Remove bolts (13). Remove bracket (12) .
Illustration 6 g01216825
Disconnect harness assembly (16). Loosen clamp (17) and disconnect hose (19). Disconnect tube assembly (18) .
Illustration 7 g01216827
Disconnect harness assemblies (20), (21), (22), and (24). Disconnect tube assembly (23) .
Illustration 8 g01216836
Disconnect tube assembly (26). Attach Tooling (A) and a suitable lifting device to cylinder head (28). The weight of cylinder head (28) is approximately 175 kg (385 lb). Remove bolts (25) and (27). Remove cylinder head (28) .