34
Disassembly and assembly
CLB/EN (1901) 6.6
7.3
Disassembly
7.3.1
Disassembling the Back-Pull-Out unit
!
NEVER start dismantling by loosening the motor bolts (0850) and nuts (0900).
This may result in irrepairable damage to the mechanical seal and the
impeller!
1 Loosen the fastening nuts (0810) of the lantern piece, see figure 6.
If the pump is still in the piping, start from the bottom side and proceed along the two
sides upward, see figure 7.
2 Pull the motor together with the entire lantern piece out of the pump casing. The
Back-Pull-Out unit large pumps is very heavy. Support it with a beam or hang it in a
pulley sling.!
7.3.2
Assembling the Back-Pull-Out unit
1 Grease the outer edge of the impeller entry with Molycote 107.
2 Fit the O-ring (0300) or a
new
gasket (0300).
3 Mount the complete lantern piece with motor back into the pump casing.
4 Fit the nuts (0810) and tighten them crosswise with the proper tightening torque. See
paragraph 10.2.1 "Tightening moments for bolts and nuts".
Figure 6:
Disassembling the Back-Pull-Out unit.
Figure 7:
Sequence of loosening the lantern piece fastening nuts.
0810 0800
0850
0900
0100
4021_A
Summary of Contents for SPX Flow CombiLineBloc
Page 2: ......
Page 6: ...4 INT EN 1512 1 2 ...
Page 10: ...8 CLB EN 1901 6 6 ...
Page 14: ...12 Introduction CLB EN 1901 6 6 ...
Page 26: ...24 General CLB EN 1901 6 6 ...
Page 44: ...42 Disassembly and assembly CLB EN 1901 6 6 ...
Page 50: ...48 Dimensions CLB EN 1901 6 6 ...
Page 56: ...54 Parts CLB EN 1901 6 6 ...
Page 66: ...64 ORDFORM 1512 3 3 EN ...