KSB Ama-Drainer N 301, Installation And Operating Manual

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7 Servicing/Maintenance
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Ama-Drainer N 301/302/303/358
7.4 Dismantling/reassembling the pump set
7.4.1 General information/Safety regulations
Dismantling/reassembly work must be effected by authorised specialist personnel
only.
NOTE
All maintenance, service and installation work can be carried out by KSB Service or
authorised workshops. For contact details please refer to the enclosed "Addresses"
booklet or visit "
www.ksb.com/contact " on the Internet.
7.4.2 Installing the pump in an Ama-Drainer-Box 021 waste water lifting unit /
Replacing Ama-Drainer 301 SE with Ama-Drainer N 301 SE
NOTE
The Ama-Drainer-Box 021/C for aggressive waste water cannot be fitted with an
Ama-Drainer N 301 SE/NE/C series pump. A special pump set from KSB's spare parts
programme is required as a replacement.
NOTE
Also observe the operating manual of Ama-Drainer-Box 021.
Table 7: Limits of the float levels
Design Cut-out level b
[mm]
Cut-in level c
[mm]
Standard design ~50 ~190
Connection to a shower ~50 ~95
ü The waste water lifting unit has been disconnected from the mains.
ü The tank cover has been removed.
1.
Remove the old pump (Ama-Drainer 301 SE) from the tank.
2.
Remove handle 576 of the new pump (Ama-Drainer N 301 SE).
(Keep this handle as the name plate on it will be required as a reference in case
of any technical complaint.)
Fig. 7:
Removing the automatic switchgear
3.
Pull automatic switchgear 79-1.1 out of its location in discharge casing 107 (see
Fig. "Removing the automatic switchgear").