BUSCH COMBI COBRA DP 600 C, Instruction Manual

Page: 13 / 28

COBRA NS (DP) vacuum pump

Prepare the quantity of oil specified in the table “Oil quantity”
NOTE : The quantity of oil specified in the installation handbook is of
informative nature only. Check the oil level with the help of the various
oil sight glasses (OSG 1, OSG 2) on the vacuum pump.
CAUTION
Before you change the type of oil, make sure that the new type is
compatible with the old type. If necessary, flush the vacuum pump.

Unscrew the oil filler cap (OFP)

Fill in oil

Make sure that the oil level is in the target circle of the oil sight
glasses
Oil level, pump not operating

Make sure that the seals of the oil filler cap are not damaged.
Replace them if necessary

Screw on the oil filler cap hermetically tight
NOTE : It is easier to switch on the vacuum pump with cold oil when
the intake line is not closed or when the intake flange is not covered by
a rubber plate.

Start the vacuum pump
If the intake line is equipped with a shut-off device:

Close the shut-off device
If the intake line is not equipped with a shut-off device:

Place a rubber plate on the intake flange

Let the vauum pump run for a few minutes

Stop the vacuum pump and wait a few minutes

Make sure that the oil level still lies in the target circle of the oil
sight glasses
If the oil level is below the target circle:

Fill in more oil
If the intake line is equipped with a shut-off device:

Open the shut-off device
If the intake line is not equipped with a shut-off device:
Remove the rubber plate from the intake flange and connect the intake
line to the intake flange
CAUTION
In case of a vacuum pump filled with oil, make sure that by lifting
the inclination angle of the vacuum pump do not exceed 5° from
the horizontal. In case of too high inclination (>5°), risk of oil leak
within the work area

Make sure before every transport using the appropriate lifting
mean that the inclination of the vacuum pump is less than 5°.
CAUTION
The vacuum pump must remain in a horizontal position when it has
been filled with oil.
WY (MB) rotary lobes vacuum pump

Prepare the quantity of oil specified in the table “Oil quantity”
NOTE : The quantity of oil specified in the installation handbook is of
informative nature only. Check the oil level with the help of the various
oil sight glasses (OSG 3,OSG 4) on the vacuum pump.
CAUTION
Before you change the type of oil, make sure that the new type is
compatible with the old type. If necessary, flush the vacuum pump.

Unscrew the oil filler cap (OFP)

Fill in oil

Make sure that the oil level lies in the target circle of the oil sight
glasses
Oil level, pump not operating

Make sure that the seals of the oil filler cap are not damaged.
Replace them if necessary

Screw on the oil filler cap hermetically tight
NOTE : It is easier to switch on the vacuum pump with cold oil when
the intake line is not closed or when the intake flange is not covered by
a rubber plate.
COBRA DS vacuum pump

Start the vacuum pump
If the intake line is equipped with a shut-off device:

Close the shut-off device
If the intake line is not equipped with a shut-off device:

Place a rubber plate on the intake flange

Let the vacuum pump run for a few minutes

Stop the vacuum pump and wait a few minutes
COBRA NS (DP) vacuum pump

Make sure that the oil level still lies in the target circle of the oil
sight glasses
If the oil level is below the target circle :

Fill in more oil
If the intake line is equipped with a shut-off device:

Open the shut-off device
If the intake line is not equipped with a shut-off device:

Remove the rubber plate from the intake flange and connect
the intake line to the intake flange
DS 8161 F
Installation and start-up
Page 13
0870235853 (En)
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