11.5.3. Possible malfunctions of the electric motor of an additional heater and ways of their elimination

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