Dorr EcoBell2 SL EC - 9.6 Working on paint pipe; 9.6.1 Removing paint pipe; 9.6.2 Checks on removed paint pipe; 9.6.3 Disassembling the paint pipe

Operating Manual
© Dürr Systems AG
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EcoBell2 SL EC
- Rotating Atomizer with External Charging
Faults
Document No.: MRA00001EN
Version:: 07 • As of:: 01/2020
9.6 Working on paint pipe
The paint pipe is lodged in the valve block.
Before removing the paint pipe, the following work should be done:
- Valve block removed
- Shaft detent removed
- Chuck removed
- Main needle valve removed
- Nozzle removed
- Contact ring removed.
9.6.1 Removing paint pipe
• Loosen the three screws at the bottom of the paint pipe.
Fig. 81: Screws on the paint tube
1 Screws
• Pull out the paint tube from the valve block.
9.6.2 Checks on removed paint pipe
- Damage to the paint pipe, especially by contact with the turbine
shaft
- Cleanliness of bores and channels
- Cleanliness and functioning of the contact for the high voltage
(ball).
9.6.3 Disassembling the paint pipe
The nozzle holder of the paint pipe is unscrewed in the following way:
• Set one open-end wrench on the hexagon of the paint pipe.
• Set second open-end wrench on the nozzle holder.