Engine 2014: Electricity

1. A Disconnect the brush pigtails from their contacts and circulate air through the units.
2. B Disconnect the brush pigtails from their contacts and discharge carbon dioxide into the units to keep them dry.
3. C Lift the brushes from commutator collector rings and use the built- in heater to prevent moisture accumulation.
4. D Lift the brushes from commutator collector rings and circulate cool dry air through the units.

Tip: press A-D to answer