Grundfos CR 90 Service Manual

Replace the four PTFE Stack Compression Spacers (Pos. 60) in the pump head which will seat against the stack. Lubricate the inner bore
of the pump head or all pump heads for Cool Top or Back-to-Back seal equipped pumps. For all models except Back-to-Back units: Lower
the pump head over the Staybolts (Pos. 26). Use a rubber mallet to  rmly seat the pump head in place. Make sure the Priming Vent Plug
(Pos. 18) is inline/over the discharge port of the suction/discharge base.
For Standard and Tandem equipped seal pumps, skip to reassembly step 46.
For Cool Top units, continue with Reassembly steps 18 to 25.
For Back-to-Back units, skip to Reassembly steps 26 to 46 .
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Reassembly Procedures CR, CRN 32•45•64•90
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Grundfos CR 90 Specifications

General

Brand	Grundfos
Model	CR 90
Category	Water Pump
Language	English