ആമുഖം
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.
സുരക്ഷാ വിവരങ്ങൾ
Always prioritize safety when performing plumbing work. Failure to follow safety guidelines can result in injury or property damage.
- ജലവിതരണം ഓഫാക്കുക: Before beginning any work, ensure the main water supply to the backflow preventer is completely shut off and depressurized.
- ഉചിതമായ വ്യക്തിഗത സംരക്ഷണ ഉപകരണങ്ങൾ (PPE) ധരിക്കുക: This includes safety glasses and gloves.
- Depressurize the system: Open test cocks or downstream valves to relieve any residual pressure in the device.
- ഒരു പ്രൊഫഷണലിനെ സമീപിക്കുക: 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.
പാക്കേജ് ഉള്ളടക്കം
The Febco 905022 Rubber Repair Kit typically includes the following components:
- റബ്ബർ ഡിസ്ക്
- ഒ-വളയങ്ങൾ
- ഗാസ്കറ്റുകൾ

ചിത്രം 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.
ഇൻസ്റ്റലേഷൻ നിർദ്ദേശങ്ങൾ
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.
- സിസ്റ്റം തയ്യാറാക്കുക: Ensure the water supply is off and the system is depressurized as described in the Safety Information section.
- 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.
- പഴയ ഘടകങ്ങൾ നീക്കം ചെയ്യുക: Gently remove all old rubber seals, O-rings, and gaskets from the device. Pay close attention to their original placement and orientation.
- വൃത്തിയുള്ള പ്രതലങ്ങൾ: 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.
- പുതിയ ഘടകങ്ങൾ ഇൻസ്റ്റാൾ ചെയ്യുക: 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.
- ഉപകരണം വീണ്ടും കൂട്ടിച്ചേർക്കുക: 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.
- ജലവിതരണം പുനഃസ്ഥാപിക്കുക: Slowly open the main water supply valve to repressurize the system.
- ചോർച്ച പരിശോധിക്കുക: Carefully inspect all connections and seams for any signs of leaks.
പോസ്റ്റ്-ഇൻസ്റ്റലേഷൻ പരിശോധനകൾ
After installation, perform the following checks to ensure proper operation:
- വിഷ്വൽ പരിശോധന: Confirm there are no visible leaks from any part of the backflow preventer.
- പ്രവർത്തനക്ഷമത പരിശോധന: If equipped, perform a backflow prevention test according to local codes and manufacturer guidelines. This typically requires a certified backflow tester.
- സമ്മർദ്ദ പരിശോധന: Verify that system pressure is stable and within normal operating parameters.
ട്രബിൾഷൂട്ടിംഗ്
If you encounter issues after installing the repair kit, consider the following:
- കണക്ഷനുകളിൽ നിന്നുള്ള ചോർച്ചകൾ: 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.
സ്പെസിഫിക്കേഷനുകൾ
| മോഡൽ നമ്പർ | 905022 |
| ബ്രാൻഡ് | Febco |
| മെറ്റീരിയൽ | റബ്ബർ |
| അനുയോജ്യമായ ഉപകരണം | Febco 765 PVB |
| അനുയോജ്യമായ വലുപ്പങ്ങൾ | 1.5 ഇഞ്ച്, 2 ഇഞ്ച് |
| പാക്കേജ് അളവുകൾ | 7.1 x 5 x 0.2 ഇഞ്ച് |
| ഇനത്തിൻ്റെ ഭാരം | 0.8 ഔൺസ് |
വാറൻ്റിയും പിന്തുണയും
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 webസൈറ്റ് അല്ലെങ്കിൽ ഉപഭോക്തൃ സേവന ചാനലുകൾ. വാറന്റി ക്ലെയിമുകൾക്കായി നിങ്ങളുടെ വാങ്ങൽ രസീത് സൂക്ഷിക്കുക.
For further assistance, you may visit the official Febco webസൈറ്റ്: www.febcoonline.com





