19. Set and screw-in set screw (5) with the
locknut (4).
20. Tighten locknut (4).
8.3.2 Replacing valve seal
Protective equipment:
Protective workwear
Protective gloves
Disassembly
1. Disassemble air cap, nozzle and needle
8.3.1 “Replace needle and nozzle.”.
Fig. 15: Disassemble valve seal
2. Thread off bushing (4).
3. Remove the compression spring (2).
4. To replace the O-ring (3), lever out the O-
ring (3) from the housing using a sharp
object.
5. Push trigger through.
ð
The valve pin (1) is pushed a little
backwards and out from the housing.
6. Remove valve pin (1).
Fig. 16: Disassemble seal of the bushing.
7. Insert the assembly plug (6) in the
bushing (4).
8. Screw-in set screw (7) in the bushing (4)
using the assembly plug (6).
ð
The seal (5) is pushed out from the
bushing (4).
Fig. 17: Disassemble seal
9. Push in assembly plug (6) carefully into
the gun housing from the center of the
gun.
10. Push in installation wrench (8) carefully
into the gun housing from the back.
11. Push in dismantled needle (9) through
the installation wrench (8) into the gun
housing.
Faults
12/2016
EcoGun 249 - MSG00014EN
21/40
