Cleaning Of Pump; Spare Parts, Spare Pumps; Spare Parts; Stand-By Pumps - Lowara TDB Série Instructions Pour L'installation Et L'emploi

Installation, Operating and Maintenance Instruction
If wear is heavy, it must be assumed that the
motor is not properly aligned with the pump or
that the distance between the coupling sections
has changed. Replace worn elements and re-
install or adjust coupling, as described in
chapter 5.3.

8. Spare Parts, Spare Pumps

8.1 Spare Parts

Spare parts should be selected to last for two-years
continuous operation. If no other guidelines are
applicable, we recommend that you stock the number
of parts listed below (in accordance with DIN 24296
(VDMA 24296).
Number of pumps (incl. stand-by pumps)
2
Spare Parts
Impeller i
Diffuser i/2
Wear ring-casing 2i
Shaft with key and shaft
1
screws/nuts
Bearing (roller bearing) 1
Shaft sleeve 2
Joints for pump casing
4
sets
other joints sets 4
Mechanical seal 2
i = number of stages

9. Faults - Causes and Solutions

The following notes on causes of faults and how to
repair them are intended as an aid to recognising the
problem. The manufacturer's
Department is available to help repair faults that the
operator cannot or does not want to repair. If the
operator repairs or changes the pump, the design data
of these Operating Instructions should be particularly
taken into account.
agreement of the manufacturer must be obtained.
TDB, TDV
3 4 5 6/7 8/9
Number of spare parts
i i 2i 2i 3i
i/2 i/2 i i 3i/2 15%
2i 2i 4i 4i 6i
1 2 2 2 3
1 2 2 2 3
2 2 3 3 4
6 8 8 9 12 150%
6 8 8 9 10 100%
3 4 5 6 7
Customer Service
If necessary, the written
page 63

7.5 Cleaning of pump

The pump must not be cleaned with pressurised
water - water will get into the bearings.
To ensure optimum availability, we recommend
that suitable quantities of spare parts are held in
stock, especially if these are made from special
materials and in the case of mechanical seals,
because of the longer delivery times.

8.2 Stand-by pumps

10/+
It is essential that a sufficient number of stand-
by pumps are kept ready for use in plants where
30%
failure of a pump could endanger human life or
cause damage to property or high costs.
30%
Regular checks should be carried out to ensure
30%
that such pumps are always ready for use (see
30%
chapter 6.8).
50%
Store stand-by pumps according to chapter 6.8.
90%
Model TDB, TDV
Revision 01
Issue 06/2012