Troubleshooting Guide - FILL-RITE 400 Serie Betriebs- Und Sicherheitsanleitung

PROBLEM POSSIBLE CAUSE
Pump won’t prime •Suction line problem
•Leaky check valves
•Check valves improperly installed •Check for proper installation.
•Outlet plugged
•Motor not operating
•Stripped or damaged gears
Pump hums but will •Motor faulty
not operate •Gear mechanism jammed
Low pump capacity •Low voltage
•Leaky suction line
•Dirt in check valves
•Faulty check valves
•One or both diaphragms leaking •Install repair kit.
•One piston screw loose
•Piston retainer screws loose
•Debris ingested
Motor overheats •Pumping hot fluids
•Motor faulty
Fluid leakage •Faulty or missing gaskets
•Loose bolts
•Cracked component
•Piston retainer screws loose
TYPICAL FLOW RATE FOR VARIOUS VISCOSITIES
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TROUBLESHOOTING GUIDE

SERIES 400 DIAPHRAGM PUMP
   
   
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SOLUTION
•Check for leaks in suction line.
•Check for dirt or damaged check valves and replace.
•Check for blockage and clear.
•Check power source.
•Repair or replace motor.
•Check gear assembly and drive gear for damage.
Replace complete assembly if necessary.
•Replace motor.
•Check for free rotation of the gears.
•Check power source.
•Repair leaks.
•Dismantle and clean.
•Install repair kit.
•Install new yoke assembly.
•Install new yoke assembly.
•Add inlet screen.
•Shorten duty cycle.
•Replace motor.
•Install all gaskets specified in parts list.
•Torque all bolts to 50 in. lbs.
•Replace defective component.
•Install new yoke assembly.
 

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