Series RMA-B
close-coupled design
Page
25
9450-055-en
Revision 01
TM 9886
Edition 11/2018
10 Assembly aids
10.1 Boring template for housing drain
Pump size
Ident. No.
Group 1+2
9217-89-1096
10.2 Pull-off device for plain bearing bushes
Pump size
Ident. No.
Group 1
9428-81-1085
Group 2
9428-81-1086
Product description
If the plain bearing bushes are to be replaced, we recommend the use of a special device. This auxiliary device is
specifically designed for the sensitive silicon carbide components.
Application
Remove bearing bushes:
♦
Push the device with the side (1) from the suction side through the impeller and center it in the bearing bushing.
♦
With the aid of a press, the bearing bush can now be removed (alternatively by axial striking with a rubber
hammer on the end face of the device).
Insert bearing bushes:
♦
Place the bearing bush onto the rotor.
♦
Slide the device with the side (2) forward from the drive side through the impeller.
♦
By means of a press, the bearing bush can now be inserted (alternatively by axial striking with a rubber hammer
on the end face of the device).
10.3 Dismantling device impeller-inner magnet assembly
Pump size
Ident. No.
Group 1
9427-89-1001
Group 2
9427-89-1003
Product description
Serves to dismantle the inner magnet assembly and impeller.
Consists of clamping tube and plate for pushing out the impeller.
Application
♦
The circlip in the notch must be cut open. See
Chapter 7.6.4
.
♦
Press the device with the clamping tube (1) over the inner magnet assembly.
♦
Tighten the two hex. screws (6) with about 30 Nm.
♦
Using the hex. screw (3), turn the plate (2) against the impeller and press the impeller off.
