9.2 NOZZLE AND NEEDLE
1. Unscrew the ring (B4).
2. Remove the butterfly nozzle (83).
3. Completely loosen the adjustment screw (71).
4. Remove the spring (73).
5. Push out the needle (85): it is recommended not to use tools. If the needle does not come out very easily, loosen the packing gland nut (76). (The needle ring (75) can remain inside).
6 - Use a special wrench to unscrew the internal nozzle 81.
7 - Remove the plain washer (80).
- Put all these pieces in a container and clean them using a brush and clean thinner.
- The inside of the gun and the hose (91) should also be cleaned.
- Before replacing these parts, they must be thoroughly dried using the multistage centrifugal blower.
- WARNING: reassemble the pans by reversing the sequence of operations described above. In particular, it is
recommended to mount the internal nozzle (81) BEFORE the needle (B5).
- Put a drop of grease on the packing gland nut (76). lf this had been unscrewed, carefully re—tighten it (the needle must
move Freely).