Operating manual High-pressure double diaphragm pumps Cobra 40-10; Cobra 40-25
6 Assembly and Commissioning
Order number 2340851 | Edition 05/2022
35
4. Ground the other parts of the system to an on-site grounding connection (16 mm2;
AWG 6).
Ex zone
All devices and equipment must be suitable for use in potentially explosive areas.
– All paints, flushing agents and waste tanks have to be electrically conductive.
– All tanks must be grounded.
6.7 START UP
WARNING
Gas mixtures can explode if there is an incompletely filled pump!
Danger to life from flying parts.
4
Ensure that the pump and suction system are always completely filled with flushing
agent or working medium.
4
Do not spray the device empty after cleaning.
NOTICE
Impurities in the spraying system
Spray gun blockage, products harden in the spraying system.
4
Flush the spray gun and paint supply with a suitable flushing agent before
commissioning.
Emergency stop, see Chapter Emergency Stop [
37].
6.7.1 Preparation
Before every commissioning, the following points should be observed as laid down in the
operating manual:
1. Secure spray gun with safety lever.
2. Check the permissible pressures.
3. Check all connections for leaks.
4. Check hoses for damage in accordance with chapter Safety Checks and Maintenance
6.7.2 Fill the Pump with Flushing Agent
The devices are tested during manufacturing with emulsifying oil, pure oil or solvent.
Possible residues must be flushed out of the circuits with a solvent (flushing agent) before
commissioning.
4
Fill the empty device with flushing agent in accordance with Chapter Filling the Empty
Pump [
