BUSCH 7180551, Инструкция по установке и обслуживанию

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Drive motor
CAUTION
The connection digrams given below are typical. Specific orders or
deviating connection diagrams for certain markets may apply.
Risk of damage to the drive motor!
Please check drive motor connections inside the terminal box and
refer to the drive motor connection instructions.
l Connect the drive motor (asynchronous) electrically
l Connect the earth line
Double star connection, multi-voltage motor with 12 terminals
(Low voltage):
Delta connection, multi-voltage motor with 12 terminals
(Middle voltage):
Star connection, multi-voltage motor with 12 terminals
(High voltage):
CAUTION
Operation of the pump in the wrong direction of rotation, even for
a short period of time, can destroy the vacuum pump.
Prior to starting-up of the vacuum pump, please ensure that the
vacuum pump is connected up correctly.
l Determine the direction of rotation with the arrow sign on the fan
cover of the motor (see image "Safety stickers").
l Press the start button and hold briefly
l Watch the fan of the drive motor and determine the direction of
rotation just before the fan stops
If the fan is turning in the wrong direction:
u Switch around any two of the three drive motor supply cables
in the terminal box
Filling up with oil
The COBRA NC vacuum pumps are always delivered without oil (see
chapter “Oil Type”, page
21 , for information on recommended oils).
l Prepare the quantity of oil specified in the table “Oil quantity”
(1 litre)
NOTE : The quantity of oil specified in the operating instructions is of
informative nature only. Check the oil level with the help of the various
oil sight glasses (OSG) on the vacuum pump.
CAUTION
Before changing the type of oil, make sure that the new type is
compatible with the old type. If necessary, flush the vacuum pump.
l Unscrew the oil filler plugs (OFP)
l
Fill in oil
l Make sure that the filling level is about 3 mm above the middle of
the oil sight glasses (OSG)
l Make sure that the seal ring in the oil filler plugs is not damaged,
replace plugs if necessary
l Fit the oil filler plugs and tighten up
l Switch on the vacuum pump
In case the suction line is equipped with a shut-off valve:
u Close the shut-off valve
In case the suction line is not equipped with a shut-off valve:
u Cover the inlet connection with a rubber mat
l Let the vacuum pump run for a few minutes
l Switch of the vacuum pump and wait for a few minutes
l Check that the filling level is always approximately 3 mm above
the middle of the oil sight glasses (OSG)
If the oil level is below the middle of the oil sight glasses:
u
Top-up with oil
In case the suction line is equipped with a shut-off valve:
u Open the shut-off valve
In case the suction line is not equipped with a shut-off valve:
u Remove the rubber mat from the suction flange and connect
the suction line to the suction flange
l Before any transport, make sure that the oil has been drained out
of the vacuum pump.
CAUTION
Once filled with oil, the vacuum pump should not be lifted or
moved any more.
CAUTION
The vacuum pump must remain in a horizontal position once it has
been filled with oil.
Installation and Commissioning
Page 10