Contact points (start switch), A.o. smith / century motor overload protector, Ohmmeter checks – Xylem GSSERVICE R2 Service Manual Submersible Pumps & Jet Pumps User Manual

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Contact Points (Start Switch)

1. Set ohmmeter to R x 1, adjust to 0.
2. Remove leads from start switch.
3. Attach ohmmeter leads to each side of

switch – reading should be 0.

4. Flip governor weight to run position.

Reading should be infinity.

CAUTION

Disconnect Power Source before checking.

A.O. Smith / Century Motor

Overload Protector

1. Set ohmmeter to R x 1, adjust to 0.
2. Disconnect the overload leads.
3. Check resistance between terminals 1 and

2, then 2 and 3. If either reading is higher

than 1, replace the overload.

1 = Blue wire
2 = Black/

white wire

3 = Yellow wire

CAUTION

Disconnect Power Source before checking.

OHMMETER CHECKS

BLACK/WHITE

LEAD

BLUE LEAD

YELLOW

LEAD

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