Troubleshooting - red lion RJS-75SS Series Owner's Manual

MAINTENANCE

Troubleshooting

7. Remove motor (6) from adapter (7) by slightly tapping end of motor shaft with a mallet.
8. Remove the adapter plate and the O-ring.
9. Inspect all parts and replace any that are worn or damaged.
Reassembly
1. Clean and lubricate all parts thoroughly with dish soap and water before assembling, including the
rubber cap on the ceramic seal (8).
NOTE: If the pump remains out of service longer than one week, the components must be
installed dry and without lubrication.
2. Push the ceramic seal into the adapter (7) with the smooth surface of the seal facing outwards. Use
thumbs only.
3. Reassemble the motor (6) to the adapter.
• Align the adapter plate tabs with the slot at the bottom of the motor housing.
4. Lubricate the rubber components of the rotating seal (9) with soapy water and slip it onto the shaft
with the carbon ring towards the ceramic seal.
5. Replace the impeller (4) and the shroud with fasteners.
6. Lubricate and replace the O-ring.
7. Replace the casing (2), making sure the O-ring is in place and not damaged.
8. Replace the drain and fill the plugs
9. Refer to "Operation" on page 6
Troubleshooting
Problem
Motor will not start
Pump fails to deliver
water
Pump loses prime
Pump delivers water,
but not at rated capac-
ity
Pump starts and stops
too often
8
to start the pump.
Probable Causes
No power to pressure switch due to blown fuses,
open switches, or loose connections
Pump pressure switch is not closed
Pump not completely primed
Suction lift is too great
Foot valve is either not submerged, buried in
mud, or plugged
Air leaks in suction line
Well draws down too far
Faulty foot valve
Leaks in suction or discharge line.
Foot valve, suction line, impeller, or nozzle are
partially plugged
Suction lift is greater than recommended
Improper impeller rotation or low speed
Venturi or diffuser is plugged.
Motor is wired for improper voltage
Motor does not come off starting windings
(improper motor switch adjustment)
Faulty air volume control
Air leaks in tank above the water level
Incorrect setting on the pressure switch
Corrective Action
Check all electrical connections for security.
Check breaker and fuses.
Close pump pressure switch.
Prime pump.
Relocate the pump closer to the water source.
Inspect foot valve, making sure it is submerged.
Clean or replace as needed.
Inspect suction line. Repair or replace as needed.
Move pump closer to water source.
Inspect foot valve. Clean or replace as needed.
Inspect the suction and discharge lines. Clean or
replace as needed.
Inspect parts. Clean as needed.
Relocate the pump closer to the water source.
Ensure proper gauge wire has been used.
Clean as needed.
Check to ensure voltage indicator on pump
matches voltage at power source.
Replace air volume control.
Check fittings. Replace tank.
Adjust setting on pressure switch. Refer to
"Changing the Voltage" on page 5.