SPX Cooling Technologies Johnson Pump CombiPro Heavy duty access pump API 610 Manuel D’Utilisation
CR/EN (1004) 4.0
Disassembly and assembly
35
CombiPro
7.5.4
Assembling the wear rings
1 Clean and degrease the fitting edge of the pump casing and impeller where the wear
ring is to be mounted.
2 Fit the casing wear ring in the pump casing. Take care it is not pushed out of
alignment!
3 Fit the impeller wear ring on the impeller. Take care it is not pushed out of
alignment!
!
Make sure that they are not inserted obliquely!
4 Both wear rings then have to be secured. Drill 3 holes Ø5 mm, 9 mm deep, right on
the seam between impeller and wear ring c.q. pump casing and wear ring.
Subsequently cut screw thread M6 (see figure 11).
Subsequently cut screw thread M6 (see figure 11).
5 Fit the set screws (0135 and 0155) in their positions in the impeller and the pump
casing respectively.
!
Don’t fasten the set screws too tight, in order to avoid deformation of the wear
rings!
rings!
Whenever an impeller has new wear rings fitted it must be dynamically
balanced before being reassembled!
balanced before being reassembled!
Figure 11:
Locking the wear ring.