TROUBLE
POSSIBLE CAUSE
PROBABLE REMEDY
PUMP FAILS TO
PRIME
Strainer clogged.
Check strainer and clean if neces
sary.
Suction lift or discharge head too high.
Check piping installation and install
bypass line if needed. See
INSTAL
LATION
.
Leaking or worn seal or pump gasket.
Check pump vacuum. Replace
leaking or worn seal or gasket.
Lining of suction hose collapsed.
Replace suction hose.
Air leak in suction line.
Correct leak.
PUMP STOPS OR
FAILS TO DELIVER
RATED FLOW OR
PRESSURE
Air leak in suction line.
Correct leak.
Lining of suction hose collapsed.
Replace suction hose.
Leaking or worn seal or pump gasket.
Check pump vacuum. Replace
leaking or worn seal or gasket.
Not enough liquid in casing.
Add liquid to casing. See
PRIMING
.
Suction check valve contaminated or
damaged.
Clean or replace check valve.
Suction check valve or foot valve
clogged or binding.
Clean valve.
Plugged or malfunctioning air release
line or air release valve (if so equipped).
Check, clean and/or repair air
release valve and piping.
SUPER T SERIES
OM-05350
TROUBLESHOOTING
PAGE D - 1
TROUBLESHOOTING - SECTION D
Review all SAFETY information in Section A.
Before attempting to open or service the
pump:
1. Familiarize yourself with this manual.
2. Lock out or disconnect the power
source to ensure that the pump will
remain inoperative.
3. Allow the pump to completely cool if
overheated.
4. Check the temperature before open
ing any covers, plates, or plugs.
5. Close the suction and discharge
valves.
6. Vent the pump slowly and cautiously.
7. Drain the pump.
