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8. Maintenance
WARNING
Toxic material
Death or serious personal injury
‐
Cleaning and maintenance must be carried out by
authorised and trained experts.
‐
Observe the material safety data sheets (SDS) of the
handled chemicals.
‐
Wear personal protective equipment when handling
chemicals.
‐
Shut down the whole system before any work at the
system components and lines.
‐
The system must be pressureless.
‐
Separate the whole system from the power supply
before any work at the system components.
‐
Safety installations, which have been disabled during
maintenance, must be enabled again immediately
after maintenance.
‐
Tightly close inlet flanges and outlet flanges to prevent
humidity from getting in.
‐
Check the tightness of the whole system before
recommissioning.
Observe the manuals of the system and all other
components.
8.1 Maintenance schedule
WARNING
Toxic material
Death or serious personal injury
‐
If the ball valves are defective, they must be replaced
immediately for safety reasons.
‐
For replacement of the ball valves, send the change-
over device back to the manufacturer.
Pos.
Description
Servomotor
1
Servomotor
60
Contact manometer
Control cabinet
120
Control cabinet
Set of welding-neck counterflanges, including:
-
2 tongue-flanges, 1 groove flange, screws
and gaskets
-
Maintenance kit
9. Decommissioning
Seal the inlet and outlet connections of the dismantled
system components to avoid ingress of moisture.
For details on decommissioning, see the separate installation and
operating instructions of the Vaccuperm gas dosing system.
14
Clean removed parts thoroughly with warm water
immediately after dismantling.
Before reassembling make sure, that all parts are clean,
dry and undamaged.
•
Open and close the ball valves weekly to maintain correct
functioning.
•
Check the tightness of the whole system monthly.
•
Check the electrical grounding of the whole system according to
local requirements.
8.2 Cleaning
If necessary, clean all product surfaces with a dry and clean cloth.
8.3 Spare parts and maintenance kit
185-1 change-over device
Details
230 V
115 V
0-16 bar
115 V, 50/60 Hz, with cable labelling
230 V, 50/60 Hz, with cable labelling
DN 25, PN 40 (EN1092-1)
Set of 10 flat gaskets for flanges
60
120
1
H15 H28 H29 H42
2
2
1
1
S18 S22 S32 S37
1
1
2
2
S3
Product number
99426060
99426653
96680628
99973469
99973468
99695646
96688979
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