005 Liberty Pump Cleaning and Maintenance

BTECHNICAL BULLETIN Liberty Pump Care & Maintenance

The BCubed® for Biggby® Coffee Building models OG 349 and OG+EXT 444 operate with a pump system to discharge wastewater from the building. This is a LowPro system which is designed to accept wastewater from a one toilet and multiple fixtures at the same time.

A cover is provided for easy access to the tank and switch without disturbing the discharge or vent pipe. The LowPro features an internal jet spray to help break down solids and reduce jamming.
Due to limited water volumes per pump cycle on systems of this type, care must be taken to avoid flushing extreme amounts of toilet paper or any reinforced papers, paper towels, sanitary products, and other foreign objects into the LowPro.

The system starts automatically once the toilet is flushed or liquid from other fixtures enters the unit. It automatically shuts off once the contents have been pumped away. Run times will vary depending on inflow and source.

Cords: LowPro systems come with two cords—one to the float switch and the other to the pump motor. The float switch cord has a piggyback (series) plug enabling the pump motor cord to be plugged into the back of it. Both cords must be connected in series for automatic operation. The purpose of this design is to allow temporary manual operation of the pump. For manual operation, or in the event of a float switch failure, the pump cord can be separated and plugged into the electrical outlet, directly bypassing the switch.

Use and Care: A routine of regular cleaning will keep the LowPro in good working order. The exterior of the unit may be cleaned with a damp cloth and normal household cleaners. Never spray or dump water or chemicals directly on the unit.

To address and prevent clogs use Green Gobbler Drain Cleaner. This is a commercially available product designed for systems like the LowPro.

• Do not use bleach or sodium hydroxide cleaners on this system.
• Do not dispose of materials such as paint thinner or other chemicals down drains. Doing so could chemically attack and damage pump system components and cause product malfunction or failure.
• Do not use pumps with fluid over 140°F (60°C). Operating the pump in fluid above this temperature can overheat the pump, resulting in pump failure.
• Do not use an air admittance valve or a mechanical spring-loaded venting device.
• Do not allow pump to freeze.
• Do not use pump system with mud, sand, cement, hydrocarbons, grease, or chemicals. Pump and system components can be damaged from these items causing product malfunction or failure. Additionally, flooding can occur if these items jam the impeller or piping.
• Do not introduce any consumer item that is not toilet paper into a non-grinder (dewatering, effluent, sewage) pump/ pump system. This includes, but is not limited to the following: feminine products, wipes, towels, towelettes, dental floss, swabs, pads, etc. Items such as these put the pump under undo strain and can result in pump/pump system failure. Additionally, it creates conditions for discharge line blockage.