Operating manual GA 5000EAC Electrostatic Automatic Spray Gun (AirCoat)
11 Function Test after Repair Work
Order number 2360922 | Edition 09/2022
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Grounding rod, order no. 175519
11.2 FUNCTION TESTS FOR SPRAY GUN
11.2.1 Air Tests
GA 5000EAC
1. Switch off the atomizing and shaping air, switch on control air.
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0.4 MPa; 4 bar; 58 psi: The air valve must switch on correctly.
4
0.8 MPa; 8 bar; 116 psi: Test for air seal.
4
Switch off control air: The air valve must switch off correctly.
11.2.2 Product Pressure Test
Connect high-pressure hose to the spray gun.
Test the seal of the spray gun with suitable medium (e.g., flushing agent or Marcol 52) and a
maximum pressure of 25 MPa; 250 bar; 3626 psi. Increase the pressure gradually while doing
so.
Observe the following gun components:
– Product connection
– Nozzle body
– Product valve (no post-spraying)
DANGER
Exploding gas / air mixture!
Danger to life from flying parts and burns.
4
Never spray into a closed tank.
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Ground the tank.
11.2.3 Check Spray Pattern
Check spray pattern in accordance with chapter Setting the spray pattern using the air
pressure regulator [