33
Member of Exel group
DRT7142
B - 2023/06
5.3.3. Procedure C2: Replacement of the ejector, injector, porous tube and sleeve valve of the powder pump
Disassembling the powder pump
:
• Disconnect the compressed air and powder supply hoses from the pump.
• Remove the pump from its holder (
7
) by pulling upwards.
Replace the ejector
:
• Unscrew the ejector nut (
6
) and remove the powder outlet nozzle (
4
) with its seal (
5
).
• Remove the ejector (
3
) with its seal from the pump body and replace it.
• Proceed in reverse order for reassembly.
Replace the injector
:
• Unscrew the elbow fitting (
1
), remove the injector (
2
) from the pump body and replace it.
• Proceed in reverse order for reassembly.
Replace the porous tube
:
• Unscrew the pump holder (
7
) from the upper flange (
11
).
• Remove the seal (
8
), the porous tube (
9
) and the seal (
10
) and replace them.
• Proceed in reverse order for reassembly.
Replace the sleeve valve
:
• Unscrew the upper flange (11) and lower flange (
14
) from the body (
12
).
• Pull out the sleeve (
13
) and replace it.
• Proceed in reverse order for reassembly.
When replacing the porous tube, it is imperative to also replace the associated seals (Items 8
and 10).
7
2
4
3
5
8
9
11
12
13
14
10
1
6
