Waterax BB-4MD Owner's Manual page 18

WATERAX BB-4 Owner's Manual
Pump Does Not Meet Performance
Incompatible  Piping size and configuration may be too restrictive. Contact a WATERAX Inc.
Installation
Gauge or  Check that all gauges are calibrated and that all equipment is in proper
Instrument
Failure
Blockage  Check all hoses, tank, piping, etc. Remove any obstructions found.
 Check for debris wedged or caught in the impeller or diffusers. Remove any
Insufficient  Check engine compression and complete engine repairs if required.
Power to the
 An engine tune up may be needed to bring engine back to peak performance.
Pump
 An engine will lose approximate 3.5% of its power per every 1000 feet above
Restriction  If a new strainer and/or intake hose was purchased, check that they provide
 If the pump was purchased used, check that the actual configuration will
 Check pump lift. Refer to "Pump Loses Prime or Will Not Prime: Suction Lift
Pump Cavitating
 Move pump closer to water source.
Lift Too High
 Decrease pump's intake hose length.
 Increase pump's intake hose size (inner diameter).
Water  Water temperature may be too high. Water temperatures approaching 35°C
Temperature
 Locate a cooler water source.
Restrictions  Refer to "Restrictions" in the "Pump Does Not Make Performance" section.
 Check that the bottom of the suction hose is at a minimum of 2 feet (0.6
 Check that the bottom of the suction hose/strainer is 4 to 6 times the hose
Engine Speed Too High for Required Capacity and Pressure
Air Leaks
 Refer to "Pump Loses or Will Not Prime: Air Leak" section.
16
representative if assistance is needed in evaluating the unit's piping.
condition. Nozzles with dented edges and bent or damaged pitot tubes will
produce faulty readings.
obstructions found.
sea level. If the elevation of operation was not considered when the unit was
selected, a unit of higher horsepower may be required to make the needed
performance.
adequate supply to the pump to meet the performance desired.
achieve the desired performance. A WATERAX Inc. representative can be
contacted for assistance.
Too High" section.
(95°F) or higher are likely to cavitate the pump. Decrease engine speed and/or
gate the discharge valve to decrease pump flow until the cavitating stops.
meters) from the bottom of the water source and correct if necessary.
diameter below the water supply surface level and correct if necessary.
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04/2015