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Home >> Mitsubishi >> 2005 >> Eclipse GTS, Automatic >> Repair and Diagnosis >> Electrical >> Starter >> Starting System >> Starter Motor Assembly >> Inspection >> Commutator Check
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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) 
    Fig 1: Checking Deflection
    G02424758Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  2. Check the outer diameter of the commutator.
    • Standard value: 29.4 mm (1.16 inches) 
    • Minimum limit: 28.8 mm (1.13 inches) 
    Fig 2: Checking Outer Diameter Of Commutator
    G02424759Courtesy 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) 
    Fig 3: Checking Depth Of Undercut Between Segments
    G02424760Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.