EBARA EFQT8 - Manual (Page 19)

EBARA Fluid Handling 18
TROUBLESHOOTING - SECTION D
Review all SAFETY information in Section A.
TROUBLE POSSIBLE CAUSE PROBABLE REMEDY
PUMP FAILS
TO PRIME
Not enough liquid in casing.
Suction check valve contaminated or
damaged.
Air leak in suction line.
Lining of suction hose collapsed.
Leaking or worn seal or pump gasket.
Suction lift or discharge head too high.
Strainer clogged. Add liquid to casing. See PRIMING.
Clean or replace check valve.
Correct leak.
Replace suction Hose.
Check pump vacuum. Replace leaking
Or worn seal or gasket.
Check piping installation and install bypass line if
needed. See INSTALLATION.
Check strainer and clean if necessary.
WARNING!
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 cool if overheated.
4. Check the temperature before opening
any covers, plates, or plugs.
5. Close the suction and discharge valves.
6. Vent the pump slowly and cautiously.
7. Drain the pump.