Maintenance; Periodic Service - Little Giant 6 Serie Manuel Du Propriétaire

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MAINTENANCE

Periodic Service

MAINTENANCE
Risk of severe injury or death by electrical shock, high temperatures, or
pressurized fluids.
Always unplug the pump power cord and disconnect the electrical power before servicing the pump
or switch.
Let pump cool for a minimum of 2 hours before attempting to service. Submersible pumps contain
oil that becomes pressurized and hot under normal operating conditions.
Risk of damage to pump or other equipment.
This unit is permanently lubricated. Oiling is not required. Do not open the sealed portion of the unit
or remove housing screws.
Do not remove the motor housing cover.
Do not remove the impeller. Warranty is void if the motor housing cover, impeller, or seals have been
removed. Repairs on the motor or impeller require special tools.
Periodic Service
Inspect and test the pump system condition and operation every three months—more frequently in heavy
use applications.
1.
Check the power cords, electric receptacle, and/or junction box for damage or corrosion.
NOTE: The power cord on these units cannot be replaced. If damaged, replace the complete unit.
2. Remove all debris (gravel, sand, floating debris, etc.) from the basin.
3. Check the pump system components (basin, pump, switch, etc.) for any build-up (sludge, sediment,
minerals, etc.) that would inhibit functionality of the components. If significant, remove build-up or
replace affected components.
4. Confirm all flexible coupling hose clamps are fully engaged with plumbing and fully tightened.
5. Test operation of the pump system. Refer to
6. While the pump is running, make sure a stream of water is escaping from the air bleed hole. If not, clear
the hole of any deposits or debris.
Cleaning Impeller and Volute
Periodic cleaning of the pump parts will prolong the life and efficiency of the pump. Refer to the assembly
and disassembly of the pumping head.
1.
After removing power to the pump, disconnect the pump from the discharge plumbing.
2. Remove the five screws that hold the base to the volute, then separate the base from the volute.
3. Remove the base and clean the impeller and the volute passage.
IMPORTANT: Do not use strong solvents on the impeller.
4. Be sure the impeller turns freely after cleaning.
5. Attach the base to the volute, making sure the seal is properly aligned.
12
"Operation Testing" on page
9.

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