Rewindable Submersible Motors
5 Pre-Operation Checks
CAUTION
5.2
Assembling the motor and pump
Preparation
Assembly
5.3
Connecting the drop cable
CAUTION
8
Risk of injury from pre-tensioned 8"/10" diaphragm cover during disassembly!
Secure the diaphragm cover: screw the M8 threaded rod through the central cover opening in the
diaphragm insert cover.
Lock it from the outside using an M8 locknut.
Note
These assembly and operating instructions only describe action steps related to the motor. You should also
observe the pump unit manufacturer's instructions in all events.
Shaft protector removed
Motor shaft rotated manually before assembly
Surfaces of parts to be connected are free from dust and dirt
Coupling attached to the pump shaft, slides on the motor shaft
Figure 5-7: 6"
Apply water-resistant, acid-free grease (e.g. Mobil FM 102, Texaco, Cygnus 2661, Gleitmo 746) to the
inner part of the coupling to the pump unit.
Make sure that the splined section (with 6" or 8" motors) is encased by an O-ring when the motor and
the pump unit are assembled together.
Align the pump unit and motor shaft to each other and connect the pump unit and the motor.
Note
Only use fixing screws of the relevant grade and dimensions approved by the pump unit manufacturer.
Observe the indicated torques.
Screw the motor to the pump unit, tighten the fixing screws crosswise as instructed.
6": M12
8": Bore
Protect the coupling location against contact.
Motor damage due to damaged motor cable!
Make sure that the motor cable is not in contact with any sharp edges.
Protect the cable against damage using the cable guard.
runs freely after overcoming static friction
Figure 5-8: 8", 10",12"
17.5 mm
10" / 12": Bore
22.0 mm