Operating Manual
© Dürr Systems AG
EcoBell2 SL EC - Rotating Atomizer with External Charging
Faults
Document No.: MRA00001EN
Version:: 07
•
As of:: 01/2020
129 / 156
Fig. 82: Two open-end wrenches on the paint pipe
Secure the paint pipe. Paint pipe and nozzle holder can be loosened
only with increased manual force if paint has leaked into the thread.
• Unscrew the nozzle holder from paint pipe.
The needle seat is in the nozzle holder. The paint tube without
recirculation has an additional seal for the main needle.
Checks on disassembled paint pipe
- Cleanliness of bores and channels
- Cpondition of the needle seat
- For recirculation: Condition of the seal, especially in the area of
main needle.
9.6.4
Assembling the paint pipe
9.6.4.1
Paint tube with recirculation
In the case of paint tube with recirculation, only the needle seat is in
the nozzle holder. The positioning pin on the paint tube and the guide
for the detergent determine the mutual position of the parts.
