864537 Volvo.Penta Injection pump

Troubleshooting The Fuel Injection Nozzles On The Engine
Note: Be careful when you are handling the fuel injection nozzles in order to prevent damage to the orifices, threads, and other surfaces. When a fuel injection nozzle is installed, make sure that all surfaces and threads are clean.The procedures which require disassembly or the adjustment of the fuel injection nozzle only relate to the following engines:
Type 1 Engines and 9RM EnginesDo not disassemble the fuel injection nozzles and do not adjust the fuel injection nozzles on the following engines:
Type 2 Engines and 7BJ Engines Replace the fuel injection nozzle on Type 2 engines and 7BJ engines if the fuel