Febco 905022 Rubber Repair Kit Instruction Manual for 1-1/2" - 2" 765 PVB

Introducció

This instruction manual provides essential information for the proper installation and maintenance of the Febco 905022 Rubber Repair Kit. This kit is specifically designed for use with Febco 765 PVB (Pressure Vacuum Breaker) backflow preventers, sized 1-1/2 inches and 2 inches. Adhering to these instructions will help ensure the correct function and longevity of your backflow prevention device.

Informació de seguretat

Always prioritize safety when performing plumbing work. Failure to follow safety guidelines can result in injury or property damage.

• Tanqueu el subministrament d'aigua: Before beginning any work, ensure the main water supply to the backflow preventer is completely shut off and depressurized.
• Utilitzeu l'equip de protecció individual (EPI) adequat: This includes safety glasses and gloves.
• Depressurize the system: Open test cocks or downstream valves to relieve any residual pressure in the device.
• Consult a professional: If you are unsure about any step or lack experience with plumbing repairs, consult a qualified plumber.
• Handle parts carefully: Rubber components can be delicate; avoid sharp objects that could damage them.

Contingut del paquet

The Febco 905022 Rubber Repair Kit typically includes the following components:

• Disc de goma
• juntes tòriques
• Juntes

Figura 1: Components of the Febco 905022 Rubber Repair Kit. This image displays the various rubber seals and gaskets included in the kit, essential for maintaining the integrity of the backflow preventer.

Instruccions d'instal·lació

These instructions provide a general guide for replacing the rubber components in your Febco 765 PVB. Always refer to the specific service manual for your Febco 765 PVB model for detailed disassembly and reassembly procedures.

1. Prepara el sistema: Ensure the water supply is off and the system is depressurized as described in the Safety Information section.
2. Disassemble the Device: Carefully disassemble the Febco 765 PVB according to the manufacturer's service manual. This typically involves removing the bonnet and poppet assembly.
3. Eliminar components antics: Gently remove all old rubber seals, O-rings, and gaskets from the device. Pay close attention to their original placement and orientation.
4. Superfícies netes: Thoroughly clean all sealing surfaces within the backflow preventer. Remove any debris, mineral deposits, or old gasket material. Ensure surfaces are smooth and free of imperfections.
5. Instal·leu nous components: Install the new rubber components from the 905022 kit into their corresponding positions. Lightly lubricate O-rings with a silicone-based lubricant (safe for potable water) to aid installation and prevent pinching. Ensure all parts are seated correctly and not twisted.
6. Torneu a muntar el dispositiu: Reassemble the Febco 765 PVB, following the reverse order of disassembly. Ensure all bolts and connections are tightened to the manufacturer's specified torque settings.
7. Restaurar el subministrament d'aigua: Slowly open the main water supply valve to repressurize the system.
8. Comproveu si hi ha fuites: Carefully inspect all connections and seams for any signs of leaks.

Comprovacions posteriors a la instal·lació

After installation, perform the following checks to ensure proper operation:

• Inspecció visual: Confirm there are no visible leaks from any part of the backflow preventer.
• Prova de funcionalitat: If equipped, perform a backflow prevention test according to local codes and manufacturer guidelines. This typically requires a certified backflow tester.
• Control de pressió: Verify that system pressure is stable and within normal operating parameters.

Resolució de problemes

If you encounter issues after installing the repair kit, consider the following:

• Leaks from connections: Ensure all connections are properly tightened and that O-rings/gaskets are correctly seated and not pinched. Re-check torque specifications.
• Continuous discharge from relief valve: This could indicate an issue with the internal components, such as a damaged or improperly seated rubber disc or O-ring. Disassemble and inspect the components for proper installation and condition.
• Water hammer or unusual noises: Ensure all air has been purged from the system after repressurization.
• Device not passing test: If the device fails a backflow test, it may indicate an incorrect installation of the repair kit components or other internal issues. Professional inspection is recommended.

Especificacions

Garantia i Suport

For specific warranty information or technical support regarding the Febco 905022 Rubber Repair Kit or Febco 765 PVB devices, please contact Febco directly through their official weblloc web o canals d'atenció al client. Conserveu el rebut de compra per a reclamacions de garantia.

For further assistance, you may visit the official Febco weblloc: www.febcoonline.com