3.
MAINTENANCE
IOM manual CTX centrifugal pumps
23
After installation of the impeller,
proper gap “A” between the impeller and the back casing has to be
set. Loosen the shaft screws [161] and using a spacer ring tool(
A
) feeler (gap) gauge (
B
) set the
appropriate gap.
Pump type
A [mm]
B [mm]
CTX 40-165
0.5
1.2
CTX 50-145
CTX 50-200
CTX 65-175
CTX 65-240
1.0
3
CTX 65-230
CTX 80-205
CTX 80-212
CTX 80-260
CTX 100-230
3.4.1.
Test run
We recommend you to conduct a test run of the pump before installing it in the system, so
no liquid gets wasted if the pump leaks or perhaps does not start accordingly to wrong
assembly of the pump.
After a few weeks of operation retighten the screws with appropriate torque.