Commutator Check

1. Place the armature on a pair of V-blocks, and check the deflection by using a dial gauge.

   Standard value: 0.05 mm (0.002 inch) 

   Limit: 0.1 mm (0.004 inch) 

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

2. Check the outer diameter of the commutator.

   Standard value: 29.4 mm (1.16 inch) 

   Minimum limit: 28.8 mm (1.13 inch) 

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

3. Check the depth of the undercut between segments.

Standard value: 0.5 mm (0.02 inch) 

Minimum limit: 0.2 mm (0.008 inch) 

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.