HUB AS-SPROCKET 8P1855 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7573 Link Bracket 2
B 339-9352 Inj. Sys Cap Kit 1
265-2256 Wipers 1 Start By:
Remove the rocker shaft and pushrods.
Remove the electronic unit injector.
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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: Use Tooling (B) to prevent contamination. Cleanliness is an important factor. Before you begin the disassembly procedure, thoroughly clean the exterior of the components. To prevents dirt from entering the internal mechanism. Precision components can be damaged by contaminants or by dirt. Perform disassembly procedures on a clean work surface. Keep components covered and protected at all times.
Drain the coolant from the cooling system into a suitable container for storage or for disposal. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change".
Illustration 1 g02419599
Remove bolts (2). Remove heat shield (1). Remove the bolts and disconnect the exhaust manifold. Remove bolts (5). Disconnect inlet manifold (6). Note: Exercise care in removing the cylinder head and the gasket in order to avoid contamination of oil supply holes in the cylinder block.
Attach Tooling (A) and a suitable lifting device onto cylinder head (3). Cylinder head (3) weighs approximately 68 kg (150 lb). Remove bolts (4). Remove cylinder head (3) from the engine. Note: The positioning dowels need to remain in the cylinder block. Remove the dowel