CAUTION
Please handle the ceramic bell housing carefully to prevent dama-
ging it.
–
Tighten up and glue the fixing screws (12) to a maximum torque
of 6 Nm.
Step 3
–
Fit the coupling (13) onto the motor shaft (480).
Note: The coupling (13) can come in 2 parts: the exterior rotor of the
coupling and flange hub. Those parts are fitted and glued using 4 M6
screws, then tightened to a torque of 10Nm.
–
Measure and adjust the distance between the coupling face (13)
and the motor flange (480). This value must be 217 mm. Lock
with the fixing screw (14).
–
Fit the protection grid (431) into the motor lantern.
–
Mount the motor lantern (430) onto the motor (480). Tighten with
the screw (436).
Step 4
–
Carefully fit the motor/ lantern/ exterior rotor unit onto the pump.
The two guiding rods will compensate the radial forces coming
from the magnets. Make sure to keep good control over the axial
forces ! (Risk of squashed fingers!)
–
Tighten the screws (432).
Dismantling the motor/ the
lanterne/ the exterior coupling
CAUTION
Always make sure that the vacuum pump is disconnected from the
power supply when carrying out any work on the pump.
If necessary, remove the vacuum pump from the system to carry out
any work.
DANGER
Danger of personal injury whilst dismantling/assembling the com-
ponents.
When dismantling the Roots pump (replacing internal components),
separate the motor/ lantern unit from the pump body.
The motor, the lantern and the exterior coupling must not be separa-
ted during dismantling.
To do this, follow the following instructions:
–
Unscrew the bolts pins from the motor/lantern unit
–
Remove the motor/lantern unit with the help of the guiding
rods.The access to the internal components is now given.
Dismantling the motor/ the lanterne/ the exterior coupling
COBRA Vacuum Pump with Magnetic Coupling
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10
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480
14
13
430
431
436
432
