ATURIA TK, Instruction Manual

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LTK0E01D 05/2017
17
C
C
H
H
A
A
P
P
T
T
E
E
R
R
8
8
For reassembly proceed in the opposite direction disassembly.
8.1 PUMP REASSEMBLY
Lock the radial roller bearing (3012) on the shaft (2110) using the circlip (6545), the retaining ring, split
(2531) and the relative sleeve (2483), insert the bearing in the bearing housing (3200) and close the bearing
cover (3261).
Slide on the shaft the gland (4120), the spacer sleeve (2461) and the shaft sleeve (2450); insert everything
through the suction casing (1130) and start assembly as follows: bush (4132.2), impeller 82200), diffuser
(1413), key (6710.2), spacer sleeve (2461) and stage casing (1150) with the proper O-ring (4610).
Go on in this way up to the discharge casing (1140) and remember to insert the bush (4132.1).
Insert the shaft sleeve (2450.2), the spacer sleeve (2461.2) and let the gland (4120) slide on the axis.
Close the pump with the proper tie-bolt (6571), reassembly the bearing housing (3200), where the bearing
(3011) has been inserted.
Lock everything with the proper bearing nut (6586) and close the cover (3266).
- Before starting check the pump free rotation
- - Reconnect gland packing flow pipings and close all drainage gate valves
- - Proceed with filling and pump start
- - It is always necessary to review group alignment (see Chapter 4.2).
!