BUSCH 7180551, Installation And Maintenance Instructions Manual

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Changing the cooling liquid
Draining the cooling liquid
l Make sure that the vacuum pump is switched off and cannot
accidentally be switched on again
CAUTION
Wait until pump has cooled down to ambient temperature
l Let the pump cool down
l Put a drain tray underneath the cooling liquid drain plugs (CLD) at
the motor or inlet side (CLD)
l Remove the cooling liquid filler plug (CLF)
l Remove the cooling liquid drain plugs (CLD)
l Drain the cooling liquid
l Refit the cooling liquid drain plugs and tighten up
l Refit the cooling liquid filler plug (CLF)
l Dispose of the used cooling liquid in compliance with applicable
regulations
Filling up with new cooling liquid
l Prepare the quantity of cooling liquid needed (see “Cooling liquid
type / quantity”)
NOTE : The quantity of cooling liquid specified in the operating
instructions is of informative nature only.
l Remove the cooling liquid filler plug (CLF) on the expansion vessel
(EV)
l Fill up through the orifice until the cooling liquid level is i between
the MIN/ MAX marks of the expansion vessel (EV)
l Stop the filling
l Make sure that the seal of the cooling liquid filler cover is not
damaged, replace cover if necessary
l Refit the cooling liquid filler cover and tighten up
l If there is any spillage on the surface of the expansion vessel (EV)
and the vacuum pump, wipe it up
l Start the vacuum pump
If the inlet line is equipped with a shut-off device:
u Close the shut-off device
If the inlet line is not equipped with a shut-off device:
u Place a rubber mat on the inlet flange
l Let the vacuum pump run for maximum 5 minutes
l Stop the vacuum pump and wait for a few minutes
l Check that the cooling liquid level is always between the MIN/
MAX marks of the expansion vessel (EV)
l In case the cooling liquid level is below the required level:
u Fill in more cooling liquid
If the inlet line is equipped with a shut-off device:
u Open the shut-off device
If the inlet line is not equipped with a shut-off device:
u Remove the rubber mat from the inlet flange and connect the
inlet line to the inlet flange
Checking the current consumption
l Check the current of the motor
An increased current indicates a fault (see “Troubleshooting”)
Checking the silencer (accessory)
l Make sure that the condensates do not collect at the outlet of the
vacuum pump
l Drain the condensates through the drain provided and collect them
in a container
l Dispose of the condensates in compliance with applicable
environmental protection regulations
l Check the silencer regularly and clean it if necessary
CAUTION
Wear protective clothing when carrying out maintenance work on
the silencer.
Risk of contaminated process residues.
Overhaul
CAUTION
Improper maintenance work on the vacuum pump can damage it.
Risk of explosion!
Non-adherence to the procedure will cancel approval for start-up of
the pump !
Any dismantling of the vacuum pump beyond the scope of what is
described in this manual must be done by specially trained Busch
service staff only.
DANGER
In case the vacuum pump has conveyed gases that have been
contaminated with foreign materials that are dangerous to health,
the oil and condensates will also be contaminated.
These foreign materials can infiltrate the pores, recesses and other
internal spaces of the vacuum pump.
Danger to health when the vacuum pump is dismantled.
Danger to the environment.
Prior to shipping, the vacuum pump must imperatively be
decontaminated and the degree of contamination must be
documented in a declaration of decontamination (“Declaration of
Decontamination”), which can be downloaded from
www.buschvacuum.com.
Busch service will only accept vacuum pumps that come with a
completely filled in and legally binding signed form.
Overhaul
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