Miller nitro losing main liquid pressure help - The Combine Forum
 
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post #1 of 9 (permalink) Old 04-21-2019, 09:00 AM Thread Starter
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Miller nitro losing main liquid pressure help

As I am spraying the pressure slowly drops away to zero
Any ideas to fix this it is a Miller Nitro 5333
Filters are clean , tried new pump, nothing in tank blocking hole
Running out of ideas

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post #2 of 9 (permalink) Old 04-21-2019, 09:02 AM
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Take the screen out of the main strainer and try it again.

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post #3 of 9 (permalink) Old 04-21-2019, 11:34 PM Thread Starter
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Take the screen out of the main strainer and try it again.
Thanks mate just tried that still no luck
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post #4 of 9 (permalink) Old 04-21-2019, 11:58 PM
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How is it dropping could you be sucking air
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post #5 of 9 (permalink) Old 04-22-2019, 12:06 AM
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Filters are clean , tried new pump, nothing in tank blocking hole
Did you change out the pump motor with the pump? Is the pump motor losing rpm's because of hydraulic issues in the machine? I am not familiar with your sprayer model but have fought this fight before.
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post #6 of 9 (permalink) Old 04-22-2019, 07:49 AM Thread Starter
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Yes we did change hyd motor and pump
post #7 of 9 (permalink) Old 04-22-2019, 09:06 AM
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Does tank liquid level affect when it runs out?
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post #8 of 9 (permalink) Old 04-22-2019, 12:03 PM
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Check the voltage back where the electrical part controls the hydraulic pump I had to run jumper wires from the super node back mine broke somewhere in the harness
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post #9 of 9 (permalink) Old 04-22-2019, 01:53 PM
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Had this problem too on a 4365, the solenoid on the valve block to the front of the engine compartment would get so hot it couldn't keep the valve pulled open.

Feel that once

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