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8.  Replace Seat Disc, Diaphragm and Spacer Washers provided in Main Valve repair kit (refer to Table 2 or 3 for correct repair kit part 

number). Re-assemble in the reverse order of disassembly.

9.    

 

Re-Install Disc and Diaphragm Assembly in the valve, taking care not to damage the lower guide area in the center of the valve    

  seat.

10.  Re-install Cover Spring. Replace Valve Cover and tighten Cover Nuts in a crossing pattern to ensure even distribution. Test the Disc 

and Diaphragm Assembly for smooth 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 valve to service by following instructions on the Technical Bulletin matching the valve function.

Size (in)

1

 

1/4

1

 

1/2

2

2

 

1/2

10 

12 

14 

16 

P/N

0677-01

0677-01

0677-02

0677-03

0677-04

0677-05

0677-06

0677-07

0677-08

0677-09

0677-10

0677-11

Table 3: Reduced Port Valve (605GD/605AD) Repair Kits

Table 2: Full Port Valve (905GD/905AD) Repair Kits

8          IOM-A-ACV-984_684   2115 

EDP# 1917098 

© 2021 Watts

IOM-A-ACV-984_684   2115 

EDP# 1917098 

© 2021 Watts         9

Size (in)

3

4

6

8

10

12

16

20 & 24

P/N

0677-02

0677-04

0677-05

0677-06

0677-07

0677-08

0677-09

0677-11

Содержание AMES 984GD

Страница 1: ...missioning the 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...

Страница 2: ...and stops against a closed valve Pump Start Up When the pump is signaled to start the 3 Way Solenoid is energized directing pressure into the cover chamber of the 3 way Accelerator Pilot The Accelerat...

Страница 3: ...OUT position See Figure 1 STEP 2 Loosen a tube fitting or cover plug at the main valve to allow air to vent during start up STEP 3 Energize the solenoid to check actuation and to confirm connec tion t...

Страница 4: ...lockwise increasing the rate of opening See Figure 3B If valve opening is too quick turn the adjustment screw IN clock wise decreasing the rate of opening See Figure 3A STEP 11 De energize the solenoi...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 11: ...IOM A ACV 984_684 2115 EDP 1917098 2021 Watts 11 NOTES...

Страница 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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