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4. Dismantling and assembly
General information
Position numbers of pump part (figures) refer to exploded views, sectional drawings and parts lists.
Before dismantling
• Disconnect the electricity supply to the motor.
• Remove the electric cable in accordance with local regulations.
Before assembly
O-rings should always be replaced when the pump is overhauled.
• Clean and check all parts.
• Order the necessary service kits.
Replace defective parts by new parts.
Disposal
This product or parts of it must be disposed of in an environmentally sound way:
1. Use the public or private waste collection service.
2. If this is not possible, contact the nearest Grundfos company or service workshop.
4.1 Removing the motor
1. Loosen the strainer (pos. 84) by inserting a screwdriver between the bottom part (pos. 50) and the suction strainer
and turning the screwdriver.
2. Remove the screws (pos. 84b) and the bottom part (pos. 50).
Fig. 3.
Removing the bottom part
3. Remove the O-ring (pos. 37a) and the diaphragm (pos. 58).
4. Remove the screws (pos. 36).
5. Remove the pump sleeve (pos. 55a) by holding the sleeve and pressing the impeller.
6. Moisten the O-rings (pos. 37 and 48a) and remove them.
7. Pull the motor (pos. 48) out of motor sleeve (pos. 55).
4.2 Replacing the capacitor
1. Remove the motor, see
4.1 Removing the motor
.
2. Pull the capacitor (pos. 161) out of the retainer (pos. 160).
3. Pull of the cable terminals and fit the new capacitor.
4. Fit the motor, see
4.5 Fitting the motor
.
4.3 Replacing the impeller
1. Remove the motor, see
4.1 Removing the motor
.
2. Remove the retainer (pos. 160) with capacitor so that the shaft end is visible.
3. Insert a screwdriver into the slot in the shaft end and remove the impeller (pos. 49), nut (pos. 67) and washer (pos.
66) as well as the V-ring (pos. 159) in CC7 and CC9.
4. Keep the screwdriver in the slot and fit the washer, V-ring, if any, the new impeller and the nut.
5. Make sure that the nut is positioned in the "seat" of the impeller.
6. Fit the retainer (pos. 160) with capacitor.
7. Fit the motor, see
4.5 Fitting the motor
.
TM
03
1
1
12
10
05
