6. Spare parts
It is advisable to keep the following components in stock at all times :
One complete rotor assembly consisting of :
Item No.
1 only shaft with keys
1 set impellers
1 only spacer sleeve for suction casing
1 only spacer sleeve for discharge casing
1 set spacer sleeves for diffusers
1 each shaft protecting sleeve
1 set gaskets
Also ;
1 set diffusers
1 set bearings
1 set case wear rings
2 sets O-rings
2 sets stuffing box packing
1 only balance disc seat
1 only bush in discharge casing
1 set flat gaskets
2100
2300
5251
5252 (on pump sizes MML 150-350)
5210
5240.1, 5240.2
6010
1710, 1711
3220, 3700
5020
4120.5, 4120.6
4610
6020
118 (only on pump sizes MML 200-350)
4000.1 4000.3, 4000.4
When ordering spare parts, always state the Works serial no. of the pump, stamped of the pump rating plate and on the
suction flange, as well as the item no. and designation of each item required as specified in the lists of components on the following
pages.
1). When plain bearing are fitted ( MML 200 – 350 ) according to fig. 26
2). For pumps fitted with mechanical seals, see section 2. 1. 4. 2.
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