ATURIA TK, Инструкция по эксплуатации

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LTK0E01D 05/2017
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DISASSEMBLY
Disassembly and reassembly operation must be carried out by skilled personnel only.
Before any intervention on the pump it is necessary to:
- Switch the voltage off
- Close pump suction and delivery gate valve
- If the pump transports hot liquids let it cool at ambient temperature
- Discharge pump bowl from pumped liquid through a discharge hole.
7.1 Disassembly of the pump from the plant:
- Remove the joint protection and, if necessary, free the motor from its screws, remove it from the
baseplate using a tackle.
- Remove the bolts from suction and delivery flange.
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Disconnect all auxiliary supplies and possible sockets for instruments check.
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Disassembly the pump by loosing the baseplate fixing screws; use a tackle to move and lift (see
chapter 2) and send the pump to a local authorized workshop or to the manufacturer.
7.2 Pump disassembly (ref. dwg. EKY0101, EKY0201):
Start disassembly from delivery side removing the cover (3266) from the bearing housing (3200), after
removing the relative fixing screws.
Unscrew the bearing nut (6586) and, after loosening the bearing housing (3200) remove it complete with
radial ball bearing (3011), strike it on the sides using a lead hammer.
Remove the shaft (2110) , the spacer sleeve (2461.2) and the shaft sleeve (2450.2).
Free the tie bolt (6571), the discharge casing (1140) and remove it from the shaft.
Remove as follows: impeller (2200), stage casing (1150), diffuser (1450), spacer sleeve (2461.1), and go on
like this until the last impeller.
After loosening the bearing housing (3200) take it off complete with shaft (2110) and remove it from the
suction casing (1130).
Remove the spacer sleeve (2461.1) and the shaft sleeve (2450.1).
Remove the radial roller bearing (3012).
It is advisable, at any disassembly, to substitute all gaskets in the pump, bowl O-rings (4610) and sleeves O-
ring (4610.19, gaskets (4590.4) and gland packing (4130).
!