Troubleshooting The Pump - Fimco PRO Series Owner's Manual

DO

Clean and rinse your pump after each use with Fimco Tank
Neutralizer

Winterize your pump or sprayer by rinsing, draining and
running RV Antifreeze through it before storing for the winter.

Use clean water for your spray mixture

Store inside a building when not in use.

Troubleshooting the Pump:

Motor does not run:

Check for loose wiring connection(s).

Make sure the 'ON/OFF' switch in the lead wire assem-
bly is in the 'ON' position. "I" is the 'ON' position and 'O'
is the 'OFF' position.

Check for defective pressure switch. Make sure you are
connected to a good 12 volt power source. Make sure
any on/off switches are in the 'on' position.

Remove the cap to the pressure switch. Pull both red
wires off of their terminals, and touch the two ends to-
gether. If your pump runs when you do this, your pres-
sure switch will need to be replaced.

Check the fuse.

Check for low voltage at the power supply.
Pump does not prime:

Check for air leaks in supply line.

Check for debris in the check valve assembly.

Check for defective check valve.

Check for clogged strainer/filter.

Check for cracks in the pump housing.

Check for empty product supply.
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4.0 GPM Pump
Model: 5151073
Available Replacement Parts
(Replacement Pump: 5281326)
DON'T

Use to pump bleach.

Use with Flammable or Combustible Liquids

Store Flammable or Combustible Liquids

Leave your pump sit with spray mixture in it for extended
periods

Use dirty or unfiltered water for spraying
Pulsating flow (surging):

Check for defective pressure switch.

Check for leaks in the discharge line.

Check for restriction in the discharge line.

Check for debris in nozzle orifice.

Discharge hose may be too long.

Check for clogged strainer.
Motor continues to run after discharge is shut off:

Check for empty product supply.

Check for open bypass valve. (if equipped)

Check for low voltage.

Check for leak in discharge line.

Check for defective or dirty check valve.

Check for defective pressure switch.
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