3/4 HP Shallow Well Jet Pump
7
Visit www.princessauto.com for more information
8458788
V 3.0
MAINTENANCE
1. Maintain the device with care. A device in good condition is efficient, easier to control and will
have fewer problems.
2. Inspect the device components periodically. Repair or replace damaged or worn components.
3. Inspect the device fittings, alignment and hoses and power supply cord periodically. Have damaged or worn
components repaired or replaced by an authorized technician.
4. Maintain the device’s label and nameplate. These carry important information. If unreadable or missing,
contact Princess Auto Ltd. for replacements.
CAUTION! Only qualified service personnel should repair the device.
LUBRICATION
The motor has pre-lubricated bearings. No lubrication is required.
DISPOSAL
Recycle a device damaged beyond repair at the appropriate facility.
TROUBLESHOOTING
Contact Princess Auto Ltd. for a solution if the tool does not function properly or parts are missing. If unable to do
so, have a qualified technician service the tool.
Problem(s)
Possible cause(s)
Suggested solution(s)
Motor will not run.
1. Disconnect switch is off.
2. Fuse is blown.
3. Starting switch is defective.
4. Pressure switch contacts are dirty.
1. Be sure switch is on.
2. Replace fuse.
3. Disconnect power, replace starting switch.
4. Disconnect power and file contacts with emery
board or nail file.
Motor runs hot and
overload kicks off.
1. Motor is wired incorrectly.
2. Voltage is too low.
3. Pump cycles too frequently.
1. Refer to instructions on wiring.
2. Check with power company. Install heavier
wiring if wire gauge is too small.
3. See section below on too frequent cycling.
Motor runs, but no
water is delivered.
(NOTE: Check prime
before looking
for other causes.
Unscrew priming
plug and see if
there is water in
priming hole.)
1. Pump in a new installation did not
pick up prime through:
a. Improper priming.
b. Air leaks.
c. Leaking foot valve.
2. Pump has lost its prime through:
a. Air leaks.
b. Water level below suction
of pump.
3. Ejector or impeller plugged.
4. Check valve or foot valve is stuck in
closed position.
5. Pipes are frozen.
6. Foot valve and/or strainer are buried
in sand or mud.
1. In new installation:
a. Reprime according to instructions.
b. Check all connections on suction line, air
volume control and ejector.
c. Replace foot valve.
2. In installation already in use:
a. Check all connections on air suction line,
volume control, ejector and shaft seal.
b. Lower suction line into water and reprime.
If receding water level in a shallow well
operation exceeds suction lift, a deep well
pump is needed.
3. Clean ejector or impeller.
4. Replace check valve or foot valve.
5. Thaw pipes. Bury pipes below frost line. Heat pit
or pump house.
6. Raise foot valve and/or strainer above
well bottom.
