LONG BLOCK M 20R1370 - Caterpillar

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.
Turn the fuel supply to the OFF position.
Turn the battery disconnect switch to the OFF position.
Turn the sea water feed to the OFF position.
For Keel cooled, drain the coolant from the circuit.Drain the coolant. Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change" for the correct draining and filling procedures.
Use Tooling (A) to rotate the crankshaft so that number one piston is at top dead center position . Refer to System Operation, Testing and Adjusting, "Fuel Injection Timing - Check". Use Tooling (B) to lock the crankshaft so that number one piston is at top dead center position.
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If necessary, remove the fuel injection pump gear and adaptor plate.Installation Procedure
Note: Either Tooling (A) can be used. Use the Tooling that is most suitable.
If necessary, use Tooling (A) to rotate the crankshaft so that number one piston is at top dead center on the compression stroke. Refer to System Operation, Testing and Adjusting, "Fuel Injection Timing - Check". Use Tooling (B) to lock the crankshaft so that number one piston is at top dead center position.
If necessary, install Tooling (C) to lock the fuel injection pump in the correct position.
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Install the engine oil filter base.
Replace the filters for primary fuel system. Refer to Operation and Maintenance Manual, "Fuel System Primary (Water Separator) Element - Replace" for the correct procedure.
Replace the filters for secondary fuel system. Refer to Operation and Maintenance Manual, "Fuel System Secondary Filter - Replace" for the correct procedure.
Fill the coolant. Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change" for the correct procedure.
Turn the fuel supply to the ON position.
Turn the battery disconnect switch to the ON position.
Turn the sea water feed to the ON position.
After replacement of the fuel injection pump, the fuel injection pump requires a high-pressure fuel pump calibration procedure to be performed. Refer to Troubleshooting, "Fuel Rail Pressure Problem" for the correct procedure.