Service and Maintenance:
Check Valve Removal
1. Close the inlet and outlet shut off valves. Open No. 2, 3 and 4 test cocks to reduce remaining
pressure in the assembly. Test cock No. 1 will remain closed. Keep test cocks open until
reassembly.
2. Remove cover by removing coupling on the lid.
3. Remove 1st check valve by compressing and pulling out the check valve retainer. Insert a
screwdriver into the tabs on the front of the check valve and pull check valve in the direction
of flow until it is free from the body then lift out.
4. To remove 2nd check valve, compress the retainer spring and remove the spring half of the
retainer. Remove the retainer half remaining. Remove the retainer spacer. Grasp check valve
from the spring and pull in the opposite direction of flow until check valve is free from the
body then lift out.
Relief Valve Removal
1. Close the inlet and outlet shut off valves. Open No. 2, 3 and 4 test cocks to reduce remaining
pressure in the assembly. Test cock No. 1 will remain closed. Keep test cocks open until
reassembly.
2. Remove pressure line from the Relief Valve.
3. Cover has slight spring pressure. Firmly hold cover and remove the Cover Bolts and Cover.
The Relief Valve Assembly will pull out from the body.
Maintenance
1. Rinse all parts thoroughly with water after disassembly.
2. Carefully inspect rubber seals, seats and o-rings for damage and debris.
3. Apply Dow Corning 111 Valve Lubricant & Seal to the O-Rings before reinstallation.
4. Test the device after reassembly to ensure proper operation.
Testing Procedure:
Testing should be performed by qualified, licensed personnel. Testing procedure should be
performed per local codes and guidelines.
LIMITED WARRANTY: Beeco warrants each product against defects in material and workmanship for a period of one year from the date of original
shipment. In the event of such defects within the warranty period, Beeco will, at its option, replace or recondition the product without charge. This shall
constitute the exclusive remedy for breach of warranty, and Beeco shall not be responsible for any incidental or consequential damages, including without
limitation, damages of other costs resulting from labor charges, delays, vandalism, negligence, fouling caused by foreign material, damage from adverse water
conditions, chemicals, or any other circumstances over which Beeco has no control. This warranty shall be invalidated by any abuse, misuse, misapplication or
improper installation of the product.
1321 W. 119th Street www.beecobackflow.
Chicago, IL 60643
Tel: (773) 341-3030 Fax: (773) 341-3047
