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Voltage drop can you reduce pump speed by reducing power voltage

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No you will have to change gear racial

Posted on Dec 19, 2013


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What make and model pump?

Posted on Jul 18, 2013

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Your best bet would be to take it to a qualified repair shop. Special tool's and knowledge are needed . Scan tools , electrical diagnostic , service information . Your vehicle has a bunch of computers (control modules) C.A.N. cantroller area network serial data communication networks . Hi speed , med. speed , low speed . The power steering is electronic ,computer controlled , sensors on the steering shaft .With those light's lit , DTC'S - diagnostic trouble codes are stored etc... Plus there is a real chance of being electrocuted. High voltage !

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As the oil gets hot, it gets thinner, which reduces pressure. When the engine is at idle speed the pump is not pumping as fast as it is at highway speed.

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Mig is not pulling enough amps. For example at 20V it is only pulling 85A.

With constant voltage, amps depends on wire speed. You would have to increase the wire speed (or larger wire) to increase amps. Also, any voltage loss between the machine and weld will reduce amps due to voltage drop.

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Maybe. What make and model pump?

Jul 18, 2013 | Jacuzzi Pool & Spa

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How can I control the presure of the water drain in the washer mashine

Only way to reduce pressure is to reduce efficiency of pump. i.e. reduce voltage supplying pump winding. Could reduce flow rate by restricting outlet hose diameter but not a good idea as could effect peformance of washing machine and overload pump, belt or brake.

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Screen has shrunk and picture is now tripled

The projecction width has reduced with the three guns going out of alignment to give the three images.
It is possible that the power supply voltage has reduced which has made the projection drop down to give this reduced size.
Check for possible failrue of the filter capacitor or the fault in the SM pre driver circuit, possible redduction of value of some associated electrolytes.
Check for visible signs of capacitor leaks or use a multimetter to confirm.

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Low fan voltage cr320?

MANY of the amplifiers have temperature sensors and REDUCE the fan speed at lower temperatures. This is usually done by reducing the voltage.

Be aware that sometimes the voltage is modulated by pulse width and reading it requires using an oscilloscope rather than a voltmeter.

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Voltage is high around 150 volts. I reduced the

The speed will change the 'frequency' too. You need to make sure you still have 60 Hz. You may have need a voltage regulator adjustment, not a speed adjustment.

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240v electric motor

Reducing the voltage is what you want to do -- this will effectively reduce the speed, without creating an annoying hum.

That said -- 110v is too low. Start higher. Half the voltage doesn't equal half the speed.

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