Simplex STS User Manual

21
1. Insucient fuel supply.
2. Air leaks in the inlet pipe.
3. Air or gas at the inlet connection.
4. Pump and motor out of alignment.
5. Worn out spider coupling.
6. Pump coupler out of balance.
1. Inoperative foot valve.
2. Inoperative check valve.
3. Inoperative solenoid valve.
4. Pump cavitation.
5. Plumbing air leaks.
6. Li too high.
7. Pump seals leaking.
1. Control power not available.
2. Motor thermal overload condition.
3. Pump failed and seized.
4. Motor failure.
1. Loose pump plumbing ttings.
2. Worn pump sha seal.
3. Pump pressure relief valve failure.
4. Fuel leak elsewhere running towards pump area.
5. Excessive head from overhead storage tank.
6. Worn pump O-rings.
noISy
operatIon
pump reQuIreS
freQuent
re-prImIng
motor DoeS not
turn or turnS
IntermIttently
pump leakS
fuel
Never operate or service
a Day Tank that is not
properly connected to an
earthground. Electrical
shock can cause person-
al injury or death!

Simplex STS Specifications

General

Brand	Simplex
Model	STS
Category	Industrial Equipment
Language	English