Watts Ames 686GD Installation, Operation And Maintenance Manual Download Page 11 | Manualshive

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10 IOM-A-ACV-986_686 2115

EDP# 1917094

© 2021 Watts

IOM-A-ACV-986_686 2115

EDP# 1917094

© 2021 Watts 11

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Summary of Contents for Ames 686GD

Page 1: ...he Pump Control Valve 3 Maintenance Schedule 6 Trouble Shooting Guide 6 Valve Disassembly Instructions 8 ACV Schematic 11 Local building or plumbing codes may require modifica tions to the information...

Page 2: ...from damage Only remove the pilot control system from the valve if necessary Tubing and fittings should be kept clean and replaced exactly as removed Consult appropriate hydraulic schematic to ensure...

Page 3: ...position 3 Way Solenoid Valve Turn manual operator stem counter clockwise to full out position See Figure 1 STEP 2 Energize the solenoid to check actuation and to confirm connec tion to power source...

Page 4: ...pens Air is vented through the loosened fitting Tighten the fitting when liquid begins to vent STEP 6 Opening Speed Flow Control Adjustment The Opening speed needle valve restricts flow into the cover...

Page 5: ...ve specification sheets for approximate cover capacity A continuous flow of water from the open port indicates a damaged diaphragm or loose disc diaphragm assembly Disassemble valve and replace diaphr...

Page 6: ...Valve will not close Closed isolation valves in pilot system Check isolation valves ensure open Diaphragm is damaged Conduct diaphragm seal test repair and replace if necessary Main valve stem assembl...

Page 7: ...Remove cover nuts and washers 3 Remove the cover If cover is not free to be removed loosen it by tapping upward along its outside edge with a dull cold chisel pic tured above a Large valves may requi...

Page 8: ...e brush or by using a Mineral Dissolving Solution Inspect parts for wear and replace if necessary 7 Inspect valve seat If seat is not damaged removal is not necessary Valve seats 6 and smaller are thr...

Page 9: ...mooth travel by following the Freedom of Movement Test procedure in previous section 11 Test the integrity of the Seat Seal by following the Seat Seal Test procedure in previous section 12 Return valv...

Page 10: ...s Steel 10 Diaphragm Washer ASTM A536 65 45 12 Epoxy Coated Ductile Iron 11 Diaphragm Buna N Nitrile 12 Disc Retainer ASTM A536 65 45 12 Epoxy Coated Ductile Iron 13 Seat Disc Buna N Nitrile 14 Spacer...

Page 11: ...IOM A ACV 986_686 2115 EDP 1917094 2021 Watts 11 NOTES...

Page 12: ...Watts USA Backflow T 978 689 6066 F 978 975 8350 AmesFireWater com USA Control Valves T 713 943 0688 F 713 944 9445 AmesFireWater com Canada T 888 208 8927 F 905 481 2316 AmesFireWater ca Latin Ameri...

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