Electrical Repairs; Overload Protector - InSinkErator SS-50 Service Manual

Overload Protector

Testing Overload Protector
ELECTRIC SHOCK! Turn off water and
DANGER
electrical supply. Discharge capacitor with
1000 ohm jumper wire (1 Phase only). Do
not use a screwdriver to discharge or
capacitor may be damaged.
Do not use a screwdriver to discharge or
capacitor may be damaged.
1. Remove screw and terminal box (Figure 23).
2. Remove two screws securing overload protector to bracket
and pull out from unit. Disconnect overload wires from stator.
3. Push red button in and check continuity between all terminals
and center post using an ohmmeter.
• 3 terminals – 1 Ø
• 6 terminals – 3 Ø
4. There should be continuity between all terminals and center
post. Replace overload protector if circuit is open on any ter-
minal and center post combination.
5. Re-install terminal box as described previously on this page.
Replacing Overload Protector
1. Remove screw and terminal box (Figure 23).
2. Disconnect wires.
3. Remove two screws securing overload protector to bracket,
disconnect wires and remove protector.
4. Connect new switch wires and tuck wires into bracket and
secure new protector to bracket using two screws.
5. Re-install terminal box and screw.
16

ELECTRICAL REPAIRS

(1 Phase only)
Screw
Grommet
Commercial Disposers
Mounting
Overload
Capacitor
Protector
Screw
Bushing
Terminal Box
Figure 23. Terminal Box and Components
Figure 24. Testing Overload Protector
Bracket
Mounting
Bracket
Grounding
Screw
(3Ø shown)
Service Manual