BJM Pumps JX SERIES SIDE DISCHARGE Electric Submersible Pumps - Manual (Page 15)

5
UU
Warning: Pump will restart automatically when motor over-heat protection switch
cools.
PUMP RUNS BUT DOES NOT DELIVER RATED CAPACITY
1. Discharge line clogged, restricted or
hose kinked. Check discharge
hose/pipe.
2. Worn impeller and/or suction cover.
Inspect and replace as necessary.
3. Pump overloaded due to liquid pumped
being too thick.
4. Pumping air. Check liquid level and
position of pump.
5. Excessive voltage drops due to long
cables.
6. Three phase only; pump running
backwards, check rotation.
SERVICING YOUR SUBMERSIBLE PUMP
Pump should be disconnected from the electric power supply before proceeding to do
any service or maintenance.
To service or repair your pump, please contact your local BJM Pumps distributor.
Service should only be performed by a qualified electrician.
MAINTAINING YOUR PUMP

Pump should be disconnected from the electric power supply before proceeding to
do any service or maintenance.

Pump should be inspected at regular intervals.

More frequent inspections are required if the pump is used in a harsh environment.

Preventative maintenance should be performed to reduce the chance of premature
failure.

Worn impellers and lip seals should be replaced.

Cut or cracked power cords must be replaced. (Never operate a pump with a cut,
cracked or damaged power cord.)

Seal oil should be checked once per year.

Maintenance should always be done when taking a pump out of service before
storage.
1) Clean pump of dirt and other build up.
2) Check condition of oil around the shaft seals.
3) Check hydraulic parts: check for wear.
4) Inspect power cable. Make sure that it is free of nicks or cuts.
CHANGING SEAL OIL
Changing the seal oil in the J & JX Series pumps is very easy.
1) Make sure that the pump cable is
disconnected from the power source.
2) Lay the pump down on its side.
3) Remove the screws that hold the
bottom plate in place.
4) Remove bottom plate.
5) Remove screws holding the suction
cover.
6) Remove the suction cover.
7) Remove the impeller.