11. Insert connecting piece (5).
12. Thread in and screw custom nut (6).
13. Lubricate needle shank lightly with sili-
cone-free oil. Push in needle (1) care-
fully into the housing from the back.
14. Insert needle spring (2) and plunger
spring (3).
15. Hand-tighten end cap (4).
16. Tighten needle gland (7) sensitively.
9.3.3 Set delay time
Personnel:
Operator
+ additional qualification explosion pro-
tection
Protective equipment:
Protective workwear
Protective gloves
Disassembly
Fig. 20: Set delay time
1. Thread off and remove nozzle (6) with
end cap.
2. Remove needle spring (4) and plunger
spring (5).
3. Loosen locknut (3).
Setting
Fig. 21: Adjust distance from piston holder to
pre-air stop nut.
4. Rotate pre-air stop nut (2).
Turn it to the right to reduce the delay
time.
Turn it to the left to increase the delay
time.
The recommended distance from
the pre-air stop nut (2) to the
piston holder (1) is about 0.5mm.
If a longer delay is needed, the
distance must be increased.
5. Tighten the locknut (3).
Assembly
6. Insert needle spring (4) and plunger
spring (5).
7. Hand-tighten end cap (6).
Faults
02/2020
EcoGun AS AUTO pro HD - MSG00009EN
25/44