vacuumbrand PC 510 select, Instructions For Use Manual, Page: 59 / 88

60 20901101_EN_PC5xx-6xx_VARIO_select_Serie_V1.0_280618
Cleaning and maintenance
7.3 Vacuum pump maintenance
7.3.1 Maintenance items
Items that require maintenance
1 2 1 2
A B
Maintenance items
1 Pump heads, power connection side
2 Pump heads, vapor condenser side (EK)
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Perform maintenance of the pump heads one after the other
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In the case of the pump heads, always change the dia -
phragms and valves completely, as shown in the image
description for pump head
(1A)
.
Straightforward maintenance due to split work steps.
> >
On one pump head pair, first replace the diaphragms.
> >
Then change the inlet/outlet valves.
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Repeat these steps on the next pump head pair.

Example
Maintenance of the
pump heads
A = 4‑headed
B = 2‑headed
IMPORTANT!