Owner's manual

Seat O-ring

Disc Screw

Reinforcement Ring

Seat

Disc Washer

Disc Rubber

Disc Holder

Cover

Cover O-Ring

Spring

Body

Servicing the First and Second Check Valves

WARNING

Depressurize the valve before servicing.

Maintenance Instructions

1. Close shutoff valves up and downstream of the valve.

2. Using an appropriate sized wrench, loosen the check valve

cover. Unscrew the check valve cover and lift off.

3. Remove spring.

4. Lift out disc holder assembly from body of valve.

5. To reverse the seat disc, unscrew disc screw and disassemble

disc washer and disc rubber from disc holder assembly. Reverse

rubber so opposite face is showing. Assemble disc screw

through disc washer and rubber and screw into disc holder.

6. To replace seat module, pull out of body by gripping at reinforce-

ment ring. Replace seat module with new component by placing

into body seat bore. Tightening cover will engage seat properly.

7. Insert disc holder assembly back into seat module.

8. Replace spring insuring that it seats properly on disc holder.

9. Place cover onto spring with internal guide on cover positioned

inside end coil.

10. Screw cover onto valve body.

11. Tighten cover wrench tight.

10. Open shutoff valves.

For repair kits and parts, refer to our Backflow

Prevention Products Repair Kits & Service Parts price list

PL-A-RP-BPD found on www.amesfirewater.com.