Operation Testing; Maintenance; Pump Replacement - Little Giant Pit+Plus JR Owner's Manual

Operation Testing

1. Fill basin with water to activate controls and pump.
2. For systems with an ECM, make sure the pump operates on manual control:
• Disconnect electrical power.
• Remove piggyback plug from the outlet.
• Plug pump power cable into outlet.
• Turn on electrical power.
• If pump operates on manual control, but not in automatic control, the switch is in failure mode.
Refer to "Troubleshooting" on page
3. If the unit does not operate, refer to the troubleshooting guide located in the pump owner's manual.

MAINTENANCE

Refer to "Replacement Parts" on page 4
while following these instructions. Consult the instruction sheet illustrations for proper assembly and
disassembly of your Little Giant pump.

Pump Replacement

1. Disconnect pump and switch from power supply.
2. Remove pump access cover and set aside.
3. Remove cord grommet from the switch access cover.
4. Separate the pump power cord from the grommet.
5. Loosen the 2 band clamps on the flexible coupling connecting the pump and basin discharge pipes.
6. Slide flexible coupling down.
7. Feed power cord through the cord grommet opening and remove the pump.
8. Remove discharge pipe from pump and install on replacement pump.
9. Install replacement pump into basin so the lower and basin discharge pipes are aligned.
10. Center the flexible adapter on both discharge pipes. Tighten the band clamps.
11. Feed power cord through the cord grommet opening and reinstall cord grommet.
12. Route the pump cord behind the discharge pipe.
13. Remove any cord slack that might potentially interfere with control float or alarm float operation.
14. Reinstall pump access cover.
15. Connect pump and switch to power supply.
Float Switch and Alarm Switch Replacement
Refer to "Float Assemblies" on page
1. Disconnect pump and switch from power supply.
2. Remove cord grommet from switch housing.
3. Remove all cords from cord grommet.
4. Remove the switch module from the basin by unscrewing its 6 bolts.
5. Feed the pump cord through the grommet opening until the switch module
is free.
6. Remove the float switch by loosening the plastic wing nut opposite the cord
grip.
NOTE: It is not necessary to remove the wing nut completely.
8.
for names and relative location of all components to assist you
6.
MAINTENANCE
Operation Testing
3