Watts AMES Maxim Series Manual Download Page 7 | Manualshive

Page: 7 / 8

Watts AMES Maxim Series Manual Download Page 7

7

Troubleshooting

PROBLEM

CAUSE

SOLUTION

Relief valve discharges water while system is not flowing

Check No. 1 is fouled

Remove and clean check No. 1

Relief valve does not properly close

Service relief valve

Municipal water pressure is fluctuating

Install check valve upstream of backflow assembly

Relief valve does not shut off properly

Fouled relief valve seat

Service relief valve

Incorrectly installed diaphragm

Remove diaphragm and correctly install

Damaged rubber surface on piston

Replace with new piston

Damaged or plugged pressure hose

Repair or replace hose

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Summary of Contents for AMES Maxim Series

Page 1: ...his product must be tested periodically in compliance with local codes but at least once per year or more as service conditions warrant Corrosive water conditions and or unauthorized adjustments or re...

Page 2: ...low assembly Series M400 M500 and LFM500 can be installed in either horizontal N pattern or Z pattern position as long as the backflow assembly is installed in accordance with the direction of the flo...

Page 3: ...rom the housing See Figure B 4 Remove check module No 1 by inserting two flat blade screw drivers into the slots on either side of the check module See Figure C Gently pry the check module toward the...

Page 4: ...See Figure A 4 Continue to thread in the service bolt with the wrench until the service hole in the linkage is aligned with the service notches on the spring arbors See Figure A 5 Insert the Phillips...

Page 5: ...ischarge is noted from the relief valve Record this as the opening differential pressure of the relief valve Testing Reduced Pressure Zone Assemblies Ball Type Test Valves A C B Needle Valve High Hose...

Page 6: ...ESCRIPTION 1 First Check Module 2 Second Check Module 3 O Ring Check Module 4 Elastomer Disc 5 Grooved Check Pin 6 Closure Sleeve Test Cock 7 Closure Sleeve 8 Closure Sleeve O Ring 9 Relief Valve Asse...

Page 7: ...e Service relief valve Municipal water pressure is fluctuating Install check valve upstream of backflow assembly Relief valve does not shut off properly Fouled relief valve seat Service relief valve I...

Page 8: ...costs resulting from labor charges delays vandalism negligence fouling caused by foreign material damage from adverse water conditions chemical or any other circumstances over which the Company has no...

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