32
Member of Exel group
DRT7142
B - 2023/06
5.2. Cleaning
All cleaning operations must be carried out using compressed air only. Water should never be
used to clean the equipment.
5.2.1. Procedure A1: Checking the condition of the powder pumps
Every 40 hours:
• Follow the disassembly and reassembly instructions (
• Check the ejector, injector, porous tube and sleeve valve of the powder pump for cleanliness and wear, clean or
replace if necessary.
5.2.2. Procedure A2: Checking the condition of the tank lid seal
Once a month:
• Check the condition of the cover seal and replace it if necessary.
5.2.3. Procedure A3: Checking the condition of the sleeve valves
Every 3 months:
• Check the flexibility of the sleeve and replace it if necessary.
5.3. Replacement
Before any intervention on the powder station, switch off the electrical and pneumatic power
supplies. Bleed the compressed air circuit by activating the air blower.
5.3.1. Procedure B1: Replacement of the vacuum generator
• Disconnect the compressed air hoses.
• Uncouple the vacuum generator (A) from its support
fixed on the plate.
• Proceed in the reverse order for reassembly.
5.3.2. Procedure C1: Replacement of a powder pump
• Disconnect the compressed air and powder supply hoses from the pump.
• Remove the pump from its holder by pulling upwards.
• Insert the new pump into its holder and secure it with the locking finger.
• Reconnect the compressed air and powder supply hoses to the pump.
A
