SPX Johnson Pump CombiPrime V, Инструкция по эксплуатации

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CV/EN (1009) 5.3
Disassembly and assembly 39
CombiPrime V
7.7 Replacing the impeller and the wear ring
The play between the impeller and the wear ring is 0,3 mm to the diameter at delivery. In
case the play has increased to 0,5-0,7 mm due to wear, the impeller and the wear ring
should be replaced.
7.7.1 Disassembly of the impeller
The item numbers used are referring to figure 14.
1 Remove the Top Pull Out unit, see paragraph 7.6.1 "Disassembly Top Pull Out unit".
2 Remove the cap nut (1820) and the gasket (1340). Sometimes the nut has to be
heated to break the Loctite-contact.
3 Remove the impeller (0120) with a pulley puller or wrest the impeller loose by
inserting for instance 2 big screwdrivers between the impeller and the pump cover
(0110).
4 Remove the impeller key (1860).
5 Remove the gasket (1940).
7.7.2 Mounting the impeller
1 Fit the gasket (1940).
2 Place the impeller key (1860) in the key way of the pump shaft.
3 Push the impeller onto the pump.
4 Degrease the thread on the pump shaft and the thread in the cap nut.
5 Fit the gasket (1340).
6 Put a drop of Loctite 243 on the thread and fit the cap nut. For tightening moment of
the nut see the table in paragraph 10.3.2 "Tightening moments for cap nut".
7 Mount the Top Pull Out unit, see paragraph 7.6.2 "Assembly Top Pull Out unit".
Figuur 14: Disassembling the impeller.