How do you test a diesel fire pump?

DIESEL FIRE PUMP WEEKLY TEST PROCEDURE The pump should be run a minimum of 30 minutes. Record the pressure at which the pump automatically started. Observe how long it takes the engine to crank and once started how long it takes to reach running speed. Record the pump suction and discharge pressures.

How does a fire engine pump work?

In use for over a century, centrifugal pumps are the most common type of fire truck pump. Water enters the pump through an inlet, then goes into the center of an impeller spinning on a shaft. The water spins outwardly through the impeller vanes into a volute casing, which increases pressure.

How long should diesel driven fire pump run?

The service tank supplying the fuel to the Diesel driven power source, must have the capacity to enable the pump to run on full load for a minimum of 3 hours , sufficient reserves of fuel must be available on board, outside the machinery space of category – A , for enabling the pump to run on full load for an …

How do you start a diesel fire pump?

Close the main discharge valve of the fire pump, which should prevent any water hammer on the system. Turn the jockey pump controllers’ selector switch to the off position. At this point the fire pump controllers’ selector switch should be in the “auto” position and the engine should be ready to run.

How often does a diesel fire pump need to be tested?

Every three years, the National Fire Protection association sets the legal requirements for industrial fire pump testing, so it’s important to review your state’s testing obligations regularly.

How often should a diesel fire pump be tested?

How do you test a fire pump?

Electric Fire Pump Testing Procedure

1. Call the alarm company and have the system put on test.
2. Close the main control valve to the system.
3. Perform manual start of the fire pump by pressing the start button on the fire pump controller.
4. Verify there is sufficient flow from the 3/4” casing relief valve on the fire pump.