BLOCK 1H5652 - Caterpillar

Removal Procedure
Start By:
Remove the fuel injection lines. Refer to Disassembly and Assembly, "Fuel Injection Lines - Remove and Install".
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.
Illustration 1 g00902563
Loosen threaded nut (1) on the fuel injection nozzle.
Illustration 2 g00902564
Remove fuel injection nozzle (2) from the cylinder block.
Remove seat washer (3). Note: If the original seat washer is not removed, the projection of the fuel injection nozzle will be incorrect when a new seat washer is installed.