Pulsafeeder Pulsar Series HypoPump2 Uživatelský manuál stáhnout pdf (Strana 15)

5. Loosen the suction valve tiebar bolts and shift the suction piping slightly to drain any liquid from the

reagent head cavity. If the piping is closely connected it may be necessary to disconnect a union or

flange.

6. Loosen the tiebar bolts on the discharge valve and shift the piping slightly to drain any liquid.

7. Slide the valve assembly away from the front of the reagent head. Take care to not let the check valve

parts fall out of the bottom of the valve assembly as it is removed from the reagent head.

8. Once the ADV is separated, the discharge check valve components can be removed from the assembly

and cleaned or replaced.

9. Installation is the reverse of the above procedure. Be sure that the oval shaped o-ring on the bottom of

the valve assembly is in the proper position when reinstalling the valve assembly.

10. Troubleshooting Guide

Symptom

Probable Cause

Possible Solution

Pump does not

prime (product

side)

Purge relay not operational

Verify power is present at timing relay.

Valve not actuating Verify power is present at Valve Solenoid and

there is a clicking noise every 30 seconds.

Check valves fouled or damaged Clean or replace suction and/or discharge

check valves as per pump IOM.

Power interruption

Check that power is connected to the ADV

Valve stuck open

Clean or replace Seal Kit.

Low pump

delivery

Check valves fouled or damaged. Clean or replace suction and/or discharge

check valves as per pump IOM.

Calibration or testing error

Evaluate cause and correct

ADV Valve fouled

Clean or replace Seal Kit

Leak detection

port shows

leakage

Failed Bellows Seal Install New Seal Kit

Valve fails to

actuate

Power interruption Verify power is present at Valve Solenoid and

there is a clicking noise every 30 seconds.

Crystallized product in valve assembly

Clean or replace Seal Kit.

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