Operation Testing; Maintenance; Cleaning The Pump - Little Giant WRS-5 Owner's Manual

Operation Testing

1. Fill unit with water through inlet.
2. Verify that the pump starts when the water reaches 6 to 9 inches (15.2 to 22.9 cm).
3. Verify that the pump stops when the water reaches 1 to 4 inches (2.5 to 10.2 cm).

MAINTENANCE

Risk of bodily injury, electric shock, or equipment damage.
• Before performing any maintenance, shut off water inlet and disconnect power cord from supply outlet.
• Pump may become hot during operation. Allow pump to cool before servicing.
Cleaning the Basin Screen
1. Remove the four screen cover plate screws, plastic cover plate, seal ring, and screen.
2. Clean inlet screen using a mild detergent and water.
3. Examine O-ring. If deformed, replace.
Cleaning the Basin
1. Remove the screws from cover.
2. Remove the cord grommet.
• Loosen cords to allow slack.
3. Remove cover.
4. Remove pump.
5. Clean basin using a mild detergent and water.
6. Reassemble in reverse order.
• Be sure the pump alignment plate's mounting holes are
properly aligned with the locating rib on the inside of the
basin.
• Tighten cover screws to a torque of 18–20 in-lbs.

Cleaning the Pump

1. Remove pump.
2. Pull off the pressed-in screen.
3. Remove the six base screws.
4. Remove plastic pump base to clean around impeller and inside base.
IMPORTANT: Do not remove the impeller.
5. Clean parts using a mild detergent and water.
6. Reinstall the base.
• Be sure seal ring is seated properly in groove.
• Tighten screws to a torque of 10–15 in-lbs.
7. Reinstall the pump screen and pump.
MAINTENANCE
Operation Testing
Plate Alignment
6
5