Installation; Physical Installation - Little Giant 16 G Serie Manual Del Propietário

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INSTALLATION

Physical Installation

INSTALLATION
Physical Installation
Risk of personal injury, or damage to pump or other equipment.
Check that lifting equipment complies with all safety rules, and is suitable to support the weight of
the pump.
1.
Install the provided leg accessory kit:
Remove the three shipping bolts from the volute casting legs using a 19 mm wrench or crescent
wrench.
Screw the nut all the way onto the removable leg bolt.
Screw the leg bolt and its nut onto the volute casting legs hand tight.
Tighten the nut against the volute casting with a 19 mm wrench or crescent wrench.
2. If purchased with a vertical switch, install it using a P1 size Phillips screwdriver:
Screw the bracket onto the switch with the two self-tapping screws.
Assemble the vertical switch and its bracket onto the motor housing cover using the 2 M4 screws.
3. Install the pump in a suitable gas-tight basin at least 20" diameter and 24" deep vented in accordance
with local, state, and federal plumbing codes.
4. Place the pump-basin assembly on a hard, level surface.
Never place pump directly on clay, earth, or gravel surfaces. These surfaces contain small stones,
gravel, sand, etc. that may clog or damage the pump and cause failure.
Secure the pump so the starting torque does not cause the pump to contact anyone or anything.
5. Install discharge piping.
Do not use piping smaller than the pump discharge.
Use ABS, PVC, polyethylene, or galvanized steel pipe.
For rail systems, use proper adapters to connect nonmetal pipe.
6. Install a full-flow check valve in the discharge line horizontally to prevent back flow of liquid into the
basin.
A ball check valve is recommended.
If installed vertically, solids may settle in the valve and prevent it from opening at start-up.
7.
Drill a 3/16" diameter relief hole in the discharge pipe below the floor line between the pump discharge
and check valve.
If not provided, the pump could "air lock" and will not pump water even though it will run.
8. Install a shut off valve following the check valve to allow for cleaning of the check valve or pump
removal.
4

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