Fuel injection nozzle, atomizer and outer nozzle head

Fig 1: Fuel Injection Nozzle, Atomizer And Outer Nozzle Head

Courtesy of VOLVO CARS OF NORTH AMERICA.

Remove:

the screw holding the atomizer to the fan motor spindle.
NOTE: Do not use the fan wheel as a counterhold when slackening of screws. This could damage the fan wheel.
atomizer
the spacer
outer nozzle head
fuel injection nozzle.

NOTE: Do not forget the spacers and washers; one spacer for diesel, one spacer and two washers for gasoline (1).