Maintenance
7.5
Installing
Install components concentrically and without tilting in
accordance with the markings applied.
DANGER
Danger to life and material damage due to magnetic field!
Make sure that personnel with pacemakers do not com-
plete work on the pump.
Secure the work place and if necessary cordon off:
–
Make sure that personnel with pacemakers keep a safe
distance of > 1 m.
–
Make sure that no magnetizable metal parts can be
attracted by the pump's magnetic coupling.
–
Make sure that parts of the magnetic coupling cannot
be attracted by the magnetizable metal parts.
Maintain a safe distance of at least 150 mm from the mag-
netic coupling for magnetically sensitive objects.
WARNING
Risk of injury due to heavy components!
Pay attention to the component weight. Lift and transport
heavy components using suitable lifting gear.
Set down components safely and secure them against
overturning or rolling away.
WARNING
Risk of injury during assembly!
Observe the manufacturer's specifications (e.g. for the
motor).
NOTE
Material damage due to incorrect dismounting/installation
of the pump!
Only specialist mechanics should complete dismounting/
installation work.
NOTE
Material damage due to unsuitable components!
Always replace lost or damaged screws with screws of the
same strength where required.
Only replace seals with seals of the same material.
NOTE
Material damage, fragile components!
Install ceramic parts of the plain bearing and magnets of the
magnetic coupling with care, do not strike them or knock
them.
Note the correct sense of the thread:
–
Left-hand thread: small angle ring, rear cover end
–
Right-hand thread: large angle ring, housing end
7.5.1
Preparations for installation
When installing please observe:
–
Replace worn parts with genuine spare parts.
–
Replace seals, inserting them in such a way that they
are unable to rotate.
–
Do not apply synthetic or mineral oil, grease or cleaning
agents to elastomer components.
7.5.2
Assembly of the pump
Follow the section drawing for assembly
Preparing the impeller for installation
The impeller, angle rings, housing seal and rear cover are com-
pletely assembled as a unit, so as to avoid material damage
during the following installation operations.
1. Make sure that the angle rings (11h, 12v) are not worn
2. Screw the angle rings (11h, 12v) finger-tight on to the
impeller (04) as far as the stop.
3. Make sure that the installation dimension
A
for the
impeller (04) is correct
9.2.3 Installation dimensions,
4. Carefully insert the impeller (04) into the rear cover (05).
When doing so, make sure that the ring (10h) is seated
correctly on the angle ring (11h).
5. Insert the housing seal (36) into the groove on the des rear
cover (05).
6. Put the unit safely aside.
Installing the pump
7. Align the pump support (01) with the opening in the motor
foot.
8. Using the hexagon socket screws (27), attach the pump
support (01) to the motor. When doing so, tighten the
hexagon socket screws (27) across diagonals and to
the correct torque
9.2.5 Tightening torques of casing
9. If necessary, rotate the motor and pump support (01) into
a suitable position that allows the external magnet (07) to
be installed easily.
10. Rotate the motor shaft until the Woodruff key is aligned with
the opening.
11. Align the external magnet (07) with the tapped hole for the
hexagon socket screw (09) for the Woodruff key and slide
it on to the motor shaft.
12. Adjust the external magnet (07) and pump sup-
port (01) to ensure the correct installation dimension
B
9.2.3 Installation dimensions, Page 29).
11333/0519
MPN
21
