Mit FB20NT - Maintenance & Troubleshooting discussion in Forkliftaction's forums

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Mit FB20NT

Have 2 trucks down not looked at them yet E34 and E57 codes both pump codes any clues?

Posted 11 Aug 2007 08:16
By proshadetree
joined 23 Feb'06 - 484 messages
Tennessee, United States

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Sorry, confusion with series K, not N

Posted 3 Oct 2007 05:52
By maluccio_g
joined 29 Sep'07 - 17 messages
France, France

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No brushes or springs they are ac trucks

Posted 2 Oct 2007 08:24
By proshadetree
joined 23 Feb'06 - 484 messages
Tennessee, United States

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Check brush and springs in pump motor.
If this is badly, clean off the motor pump and remplace parts (brush and springs).

Posted 2 Oct 2007 02:43
Modified 2 Oct 2007 02:44 by poster
By maluccio_g
joined 29 Sep'07 - 17 messages
France, France

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Pump shaft snapped on second truck

Posted 18 Sep 2007 10:17
By proshadetree
joined 23 Feb'06 - 484 messages
Tennessee, United States

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Pump code 57 turned out to be pump motor encoder bearing.
Next truck has no codes hyd wont work pump motor turns, but slow.Changed DSP card, inverter,logics controler no change.Voltage from inverter to motor 8.9v.Hardly any change when lever is pulled no change during steer.Sent to shop will be working on it in a few days.Any help would be great.

Posted 14 Aug 2007 08:43
By proshadetree
joined 23 Feb'06 - 484 messages
Tennessee, United States

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