Grundfos CR 90 - Flange Forces and Torques; Force Limits for CR Cast-Iron Pump Housing; Torque Limits to CR Cast-Iron Pump Housing; Force Limits for CRI, CRN Stainless-Steel Pumps Housing

Dismantling Procedures CR, CRN 32•45•64•90
Using a small screwdriver, remove
Sleeve O-rings (Pos. 37) from the pump
head and the suction/discharge base.
To remove the Bottom Bearing (Pos. 6g), loosen and remove the securing 5 mm Allen
Screw (Pos. 31) and Washer (Pos. 32) from the Suction/Discharge Base
(Pos. 6). Using the bearing puller (00SV0002) and allen screw (00ID6595), insert
the bearing puller along with the allen screw at an angle until it passes through
the bearing. Once the bearing puller is under the bearing's lower edge, begin
turning the allen screw until the bearing has been pryed out of the housing.
63
64
26
Remove the four Stack Compression
Spacers (Pos. 60).
65
THE PUMP IS
NOW COMPLETELY
DISASSEMBLED.
11