English (GB)
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1.2.2 Motor with closed keyway in the motor shaft
1.2.3 Further information
More detailed information of how to fit motor and coupling is available here:
• CR, CRI, CRN installation and operating instructions
– Illustrated procedures are shown on the last pages of the manual.
– The manual is delivered together with the pump.
• CR, CRI, CRN service instructions
– Description of service tools required and detailed procedure of how to
dismantle and assemble the pump.
– Service instructions can be downloaded from WebCAPS at
www.grundfos.com.
• CR, CRI, CRN service videos
– Video sequences showing how to dismantle and assemble the pump.
– Service videos can be viewed from WebCAPS at www.grundfos.com.
Step Action
1 Fit the motor to the pump head.
2
Start the motor briefly to check the direction of rotation by
watching the fan. Direction of rotation must be counter-
clockwise (CCW).
3 Place the enclosed half-key in the motor shaft keyway.
4 See section 1.2.1 Motor with cylindrical shaft point 3.
5 Fit the coupling guards.