When disassembling, the nozzle should not be left open, it must be reassembled! Otherwise, the nozzle parts begin to rust. The tightening torque of the upper and lower parts is 70 Nm.
The illustration shows the disassembled nozzle: upper part (8: SW 22) unscrews from the bottom (1; SW 27). Other parts: 2 - body; 3 - nozzle needle; 4 - insert of the nozzle body; 5 - spacer; 6 - spring; 7 - adjusting washer
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