Insinger I Series Food Waste Disposer - Manual (Page 14)

Page 14 Insinger Machine Company 2005
PARTS REPLACEMENT
WARNING: ALWAYS SHUT OFF MAIN POWER DISCONNECT BEFORE PERFORMING
MAINTENANCE OR PARTS REPLACEMENT.
IMPACT BARS (Series N, S and G)
1. Shut off main power disconnect.
2. Disconnect water line feeding into waste chamber, if applicable.
3. Loosen stainless steel clamps and remove neoprene sleeve.
4. On Series “N” disposers, remove 4 1/2” or 7” waste chamber by loosening and removing the six hex head bolts
holding chamber to base.
On Series “S” and “G” disposers, remove aluminum lid by loosening quick-release head clamps.
5. Insert wedge at impact bar between rotor and sizing ring to prevent rotor rotation.
6. Loosen hex socket head cap Allen screws and remove impact bars. Use liquid wrench or a solution of oil and
kerosene if necessary.
7. Install new impact bars in milled slots, after cleaning slots of foreign materials. Be sure new bars fit tightly into
slots and sit flatly, making metal to metal contact.
8. Remove anti-rotation wedge.
9. Replace removed components and reconnect disposer to sink or dishtable.
ROTOR AND/OR SIZING RING
1. Shut off main power disconnect.
2. Disconnect water line feeding into waste chamber, if applicable.
3. Loosen and disconnect disposer from sink or dishtable.
4. Remove waste chamber by loosening and removing the hex head bolts holding chamber to base.
5. Remove center cover bolt and plate.
6. Remove the two centering hold down studs from sizing ring and lift off sizing ring.
7. Remove old gaskets from base sizing ring or waste chamber.
8. Lift off rotor. On “S” and “G” Series, provisions for use of a wheel puller are cast into rotor. When using wheel
puller, thead back cover bolt onto motor shaft 1/2”. This will protect the threaded motor shaft.
9. Remove key from shaft.
10. Clean and inspect keyway.
11. Inspect motor seal system. If replacement is necessary, do so now. See Instructions on Page 13.
12. Oil motor shaft and slide on new rotor. Be sure rotor has seated fully on motor shaft shoulder and that shaft is
below machined surface on rotor.
13. Reinsert key. Series “S” and “G” use two keys. BE SURE the keys make metal to metal contact on all surfaces
in the rotor and motor shaft keyways and that the key is the full length of the keyway. Short keys will shear at
peak loads. Rotate rotor slightly to be sure there is no radial play between the rotor and motor shaft.
14. Insert cover gasket, plate and bolt to lock down rotor.
15. Torque cover bolt to 34 ft-lbs.
16. Install one new gasket on base.
17. Place sizing ring over gasket on base and thread in new centering studs.
18. Center sizing ring on rotor, turning rotor several complete turns. There should now be approximately 1/64”
running clearance between rotor and sizing ring.
19. Lock sizing ring into place with the centering studs. BE SURE sizing ring did not move and that running
clearance has been maintained.
20. Place the second gasket over centering studs and install waste chamber.
21. Lock waste chamber into place and reconnect parts removed earlier.