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Grundfos CR 90 Service Manual

Grundfos CR 90
26 pages
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Page #8 background image
Loosen and remove the 8 mm
hex socket Allen Screws (Pos. 28)
connecting the motor stool to Pump
Head (Pos. 2).
Dismantling Procedures CR, CRN 32•45•64•90
Tandem Seal (continued)
Remove the Tandem Seal Housing
O-ring (Pos. 109c).
44
48
8
45
Loosen, but do not remove, the
3 mm Set Screws (Pos. 113)
from the Shaft Seal (Pos. 105).
46
Use two at/slot blade screwdrivers
to pry the seal loose. Lift the seal
completely off the shaft. For seal
change only, go to the Reassembly
section, step 47. To continue
disassembly, proceed to step 48.
Pos. 105
47
Cartridge Seals
Will lift out as a complete assembly.
49
Loosen and remove the 24 mm
Staybolt Nuts (Pos. 36) and Washers
(Pos. 66a).

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Grundfos CR 90 Specifications

General IconGeneral
BrandGrundfos
ModelCR 90
CategoryWater Pump
LanguageEnglish

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