Operating manual Pneumatic double diaphragm pump ZIP52 (PF Eco) Finishing
8 Cleaning and Maintenance
Order number 2332848 | Edition 08/2020
43
6. Slowly open the air cut-off valve (4).
7. Turn the pump pressure regulator (1) clockwise until the pump starts.
8. Be ready to switch from air to working product and prevent back spray.
9. Close the pressure regulator (1) as soon as pure working material starts coming from
the return tube (6).
10. Close return valve (5).
11. Point the spray gun, without nozzle, into the tank (7) and open it.
12. Slowly open pressure regulator (1). Be ready to switch from air to working product and
prevent back spray.
13. As soon as pure working material without air bubbles is flowing, close pressure
regulator (1).
14. Close and secure the spray gun.
15. Carry out pressure relief in accordance with Chapter Pressure Relief / Work Interruption
35].
16. Dispose of the contents of the tank (7) according to the local regulations.
If the pump doesn't start up, carry out the following steps:
1. Close the air cut-off valve (4).
2. Turn the pressure regulator (1) counterclockwise (0 bar pressure).
3. Open the air cut-off valve (4).
4. Turn the pressure regulator (1) clockwise until the pump starts.
If necessary, repeat the operation several times.
8.2.7 Cleaning the Filter
This pump has one filter inside the suction tube and another inside the delivery circuit (ZIP52
Finishing: Fine Flow Controller - ZIP52 PF Eco-Finishing: product filter).
The filters must be cleaned regularly.
Clean the filter every time that the lacquer color is changed.
– Before cleaning the filters, close the air cut-off valve and release the pressure contained
inside the pump and the pipes attached to it.
8.2.7.1 Suction Tube Filter
B_04059
To clean the suction tube filter, remove the spring, take out the suction filter and filter disc
and place them in flushing agent. Then, blow them off with compressed air.