Grundfos CR 32 Service Instructions

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4. Dismantling and assembly
4.1 General information
The Grundfos centrifugal pumps, type CR(N) 32, 45, 64 and 90 are multistage in-line pumps.
If the pump is choked or damaged, please follow the instructions below.
Position numbers, see "Parts list” and 3. Service tools.
Before dismantling the pump, switch off the electricity supply to the motor and close the isolating valves, if fitted, to avoid
draining the system.
The electric cable should be removed in accordance with local regulations.
Before assembly, clean and check all parts. Parts that are defective should be replaced by new parts.
Order the necessary service kits, see "Parts list".
Gaskets and O-rings should always be replaced when the pump is overhauled.
The pump should be tested according to the test specifications below:
50 Hz 60 Hz
CR(N) 32 96428962 96428971
CR(N) 45 96428972 96428973
CR(N) 64 96428974 96428975
CR(N) 90 96428976 96428977

Grundfos CR 32 Specifications

General

Type	CR
Frequency	50/60 Hz
Protection Class	IP55
Material	Stainless Steel
Applications	Water supply, pressure boosting
Power Consumption	Varies by model