Brush Check

Replace the brush if the brush protrusion length shown in the illustration is below the minimum limit value.
Minimum limit: 2 mm (0.08 inch)

Fig 1: Measuring Protrusion Length
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
The brush can be removed by unsoldering the brush lead wire.
When installing a new brush, push the brush in to the brush holder, and solder the lead wire.

Fig 2: Identifying Solder
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.