MSW Motor Technics MSW-ES-1010 Manual De Instrucciones página 58

IMPORTANT: in case of previous oil based paint spraying it will be still
necessary to rinse the pump and the gun with water solution before
further storage.
3.4.6 Cleaning the spray gun
a) Ensure that the unit is switched off (ON/OFF switch in position "O") and
the valve in position "Air release/Cleaning".
b) Detach the spray gun from the air hose using a wrench.
b) Clean the spray gun filter - see more in subsection 3.4.2.
c) Remove the spray tip nozzles from the tip and clean them, also
remembering to remove the washer (1) and "saddle" (2) located at
the back of the spray tip. Clean with a soft bristle brush and the
proper solution.
d) Reinstall the filter in the spray gun handle and the spray nozzle with
hardware in the spray tip.