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From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Instructions for replacing starter motor brushes and re-establishing electrical connections.

Identifier  ExFiles\Box 26\2\  Scan129
Date  19th July 1927 guessed
  
-15- Contd.

Ordinarily the brushes will last a very long time. A spare set is, however, provided with each chassis and should it become necessary to utilise these it is important, by means of fine glass paper drawn to and fro round the commutator, with its rough side in contact with the brush, to secure proper bedding. fter this, it is well to run the motor light on six volts for 15 minutes before replacing in the chassis.


Connections.

When replacing the starter motor in the chassis it is important to be sure that clean and sound electrical connections of cable to motor are re-obtained owing to the heavy current which these have to carry.



Contd.
  
  


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