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For pressure sewer applications

, verify a Redundant Check Valve Assembly (curb stop and check valve) is installed between the pump 

discharge and the street main, as close to the public right-of-way as possible, on all installations to protect from system pressures.

IMPORTANT: 

All Liberty Pumps products are supplied with their own 

separate Installation/Operation/Maintenance manuals. Ensure receipt of 

these manuals, and that they are read and understood prior to installation. 

For questions, call Liberty Pumps customer service at 1-800-543-2550.

Installer: Manual must remain with owner or 

system operator/maintainer.

Record information from pump nameplate:

System:

Model(s):

Keep this manual handy for future reference.
For replacement manual, visit LibertyPumps.com, 

or contact Liberty Pumps at 1-800-543-2550.
Retain dated sales receipt for warranty.

Serial(s):

7000 Apple Tree Avenue

 

Bergen, NY 14416

 

ph: 1-800-543-2550

 

fax: 1-585-494-1839

 

www.LibertyPumps.com

Control Panel:

Mfg Date:

Install Date:

Installation 

Manual

7353000J

Copyright © Liberty Pumps, Inc. 2021 All rights reserved.

Duplex Grinder Systems

D3648/D3660/D3672/D3684/D3696/D36120-Series

• 36” Diameter Fiberglass Basin
• Available in 48”, 60”, 72”, 84”, 96” and 120” Heights

Features

• LSG Grinder Pump (

2

 

hp, 208/230V

)

-or-

• LSGX Grinder Pump (

2

 

hp, 208–230V

)

• Pre-mounted Float System

– QuickTree® Float System on heights to 84”

• GR20 Guide Rail System
• NEMA 4X Duplex Control Panel
• NEMA 4X Junction Box

Содержание D3648 Series

Страница 1: ...r Record information from pump nameplate System Model s Keep this manual handy for future reference For replacement manual visit LibertyPumps com or contact Liberty Pumps at 1 800 543 2550 Retain date...

Страница 2: ...uct in applications where human contact with the pumped fluid is common such as swimming pools fountains marine areas etc Protect the power and control cords from the environment Unprotected power and...

Страница 3: ...flammable and or explosive atmosphere as serious injury or death could result This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive h...

Страница 4: ...roject s specifications before installation Physically and visually inspected basin pumps valves equipment and piping materials before installation Notify the carrier immediately if there is any damag...

Страница 5: ...1 2 in size Backfill Placement and Compaction Do not exert heavy pressure or run heavy equipment on the backfill material as this could cause the tank to collapse Compaction of backfill materials mus...

Страница 6: ...oil depth of excavation and safety considerations Basin anti flotation flange Compacted sub base and or concrete slab as per engineer s specification FINISH GRADE 12 minimum backfill compacted to a mi...

Страница 7: ...irements If the system is to be vented through the inlet to an existing building vent stack there must be no traps between the system inlet and the nearest building vent stack connection option 1 If t...

Страница 8: ...abused or tampered with if the electrical cord has been cut damaged or spliced if the pump discharge has been reduced in size if the pump has been used in water temperatures above the advertised ratin...

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