A . Remove the flywheel. For the correct steps, see Disassembly and Assembly, "flywheel-Disassembly."


pay attention to

When inspecting, maintaining, testing, adjusting and repairing products, be careful to ensure that the liquid is held in the container. Prepare liquid collection in a suitable container before opening any chamber or disassembling any part that store liquid.

Dispose of all liquids in accordance with local regulations and instructions.

pay attention to


Keep all the parts clean without impurities.

Impurities can cause rapid wear and shorten component life. CAT Caterpillar ET 3 Diagnostic Adapter 317-7485/478-0235 Diagnostic Tool-high quality 1. Apply tool (A) with clean grease to prevent any debris from entering the engine. Using tool (A), drill three equiometric holes in the rear crankshaft oil seal (4). 2. Carefully use the tool (B) to remove the rear crankshaft oil seal (4) from the flywheel case (1). Take the location of the tool (B) from One hole rotates into the other hole. The position of the rotation tool (B) to more conveniently remove the rear crankshaft oil seal from the flywheel housing. 3. Apply tool (A) with clean grease to prevent any debris from entering the engine. Using tool (A ), drill two equiometric holes in the winding bearing liner (3). 4. Carefully use the tool (B) to remove the winding bearing grinding bush (3) from the crankshaft (2). Rotate the position of the tool (B) from one hole to another. The position of the rotation tool (B) can remove the winding bearing grinding bush more easily from the crankshaft. 5. Use the tools (C) to collect any chips on the flywheel case or crankshaft assembly.