Filter
Top Products
CR/EN (1004) 4.0 Disassembly and assembly 33
CombiPro
7.4.4 Assembling the guard
1 Place the guard (0270) on the coupling.
2 Fit the guard with bolts (0237).
7.5 Replacing the impeller and the wear ring
If the play has risen to 0,9 mm or greater due to wear then both wear rings are replaced.
7.5.1 Disassembling the impeller
1 Remove the Back-Pull-Out unit, see paragraph 7.4.2 "Disassembling the Back-Pull-
Out unit".
2 Unlock the set screw (1825) and remove the cap nut (1820).
3 Remove the impeller (0120) with a pulley puller, or wrest the impeller by inserting for
instance 2 big screwdrivers between the impeller and the pump cover (0110).
4 Remove the impeller key (1860).
7.5.2 Mounting the impeller
1 Place the impeller key (1860) in the key way of the pump shaft.
2 Push the impeller onto the pump shaft.
3 Fit the cap nut. For tightening moment of the nut see paragraph 10.1.2 "Tightening
moments for cap nut".
4 Fit the set screw (1825).
Figure 9: Fitting the guard.
0270
0237