11.5.3. Possible malfunctions of the electric motor of an additional heater and ways of their elimination
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Cause of defect
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Way of elimination
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The anchor rotates with a small speed or absolutely stopped
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Short circuit between collector plates
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To clean intervals between collector plates a wooden stick and to blow compressed air
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Jamming of a shaft of the electric motor
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To impregnate felt washers of plugs with turbine oil, to wash out bearings and to grease them with TsIATIM-201 lubricant
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The electric motor works, but the warmed-up air does not come to a back part of a cabin
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The electric motor rotates in other party (counterclockwise), and the warmed-up air does not come to a back part of a cabin (body)
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To connect the electric motor according to the electrical circuitry
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Jamming of a shaft of the electric motor
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To impregnate felt washers of plugs with turbine oil, to wash out bearings and to grease them with TsIATIM-201 lubricant
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