TROUBLESHOOTING CHART
CONVERSION TABLE
Symptom Possible Cause(s) Corrective Action
Pump will not prime or retain • Air leak in suction line • Repair or replace
prime after operating • Defective check valve • Replace
• Upper housing leaking • Tighten bolts
• Suction lift too high • Lower pump
• Debris in check valve(s) • Clean check valve(s)
Pump runs but no fluid • Faulty suction piping • Repair or replace
• Defective check valve • Replace
• Suction lift too high • Lower pump
• Clogged inlet • Clean or replace
• Inlet line valve closed • Open valve
Motor runs too hot • Voltage incorrect • Check voltage
• Insufficient ventilation for motor • Insure proper ventilation
Flow rate is low • Piping or hose is damaged • Clean or replace
• Clogged check valve • Clear obstruction
• Worn check valve • Replace
• Voltage incorrect • Check voltage
• Tank over pressurized • Check tank pressure
Pump leaks • Upper housing loose • Tighten screws
• Pistons loose • Tighten pistons
• Pump head loose on motor • Tighten pump head
• Switch loose • Tighten switch
• Defective Diaphragm • Replace
Pump will not run • No electricity • Check connections, fuse, breakers
• Defective pressure switch • Replace switch
• Motor has open circuit • Replace
• Thermal protector has cut off • Allow motor to cool 15-30 min
TO CONVERT TO
MULTIPLY BY
Gallons, U.S. Liters 3.785
Liters Gallons, U.S. 0.264
Pounds/Sq. Inch Bar 0.069
Bar Pounds/Sq. Inch 14.5
Fahrenheit Celsius (°F-32) .556
Celsius Fahrenheit (°C X 1.8) + 32
Find out more about boat plumbing we have.
To Previous Page
