3. Pull back complete needle (1) out of the
housing.
Fig. 15: Disassemble nozzle (with flat jet
nozzle set)
Fig. 16: Disassemble nozzle (with round jet
nozzle set or rotary jet nozzle set)
4. Loosen the cap nut (6).
5. Remove cap nut (6) and air cap (7).
6. Remove the nozzle (5) with an open-end
wrench (SW15).
7. Replace worn out or defective compo-
nents.
Assembly
8. Insert and tighten nozzle (5).
Tightening torque: 12 to 15Nm
Depending on the use case, use
a nozzle with a suitable diameter.
9. Fit the cap nut (6) and air cap (7).
10. Align air cap (7).
11. Hand-tighten cap nut (6).
12. Lubricate needle shank lightly with sili-
cone-free oil. Push in needle (1) care-
fully into the housing from the back.
13. Insert needle spring (2) and plunger
spring (3).
14. Hand-tighten end cap (4).
Faults
02/2020
EcoGun AS AUTO pro HD - MSG00009EN
23/44
